. Re: 700R4 Torque Converter - Stall Speed 05-27-05 05:41 AM - Post# 705550 In response to bluesfella Go to a trans rebuild supply and get a rebuilt converter for a 5.7L HO Corvette from the early 90's. Factory ID code "B". A camshaft is a long rod that helps open and close the valves in your car's engine. My torque converter's in the 2200 to 2400 range and it isn't quite enough for my taste. The problem with a stall speed that low, TC impeller would be exerting quite a bit of force on the turbine (input shaft). FYI the stock TC stalls around 2200 and the R/T converter stalls at 2600. Stall torque. Most torque converters multiply torque in a 2.5:1 ratio over actual engine torque at stall speed. The locking converter acts like an added gear that you can feel the looser, or higher the stall speed is. The stall speed is the speed that the converter will limit the engine to with the drive wheels not moving. Your actual stall speed may vary. In general, the stall speed selected for your converter would be 500 to 700 rpm below the peak torque. 2010 R/T PB 12.87 @ 106.10 mph 60' 1.847 w/DR's. My Cart. Ideally, the stall speed would work with the torque curve of the engine. -9:1 compression. Add 500 RPM to the starting number of this range—this is the ideal stall speed for your torque . it should really be matched to the engine and vehicle usage. Chrysler Corporation tested several Turbo Action models and added those models to their performance catalog. Comp Cams pro magnum full roller rocker arms. What is torque converter stall speed? Looking at buying this transmission for my new build normally I would think the stall converter is to much at 3500 but broke my locker re gearing of the axles budget when I bought an atlas. According to Hughes Performance, torque converter stall speed is the maximum amount of engine rpm that can be achieved in an automatic transmission-equipped vehicle while the transmission is in a forward operating range without generating any driveshaft motion. The 3,000 stall really helped in my case. This promotes excellent fuel economy and drive ability because Performance torque converters are generally grouped by size (diameter) and stall speed. Also, consider the resistance you will have against the engine. Typically engines that produce more low-end torque will increase the stall speed. The torque ratio is the torque multiplication number. I have a big block duster with a 727 running a stock torque converter (I can only brake torque it to about 1200-1400 rpm). The stall speed isn't static, it varies with how much power you put to it, and the weight/brakes holding it back. Edelbrock perfromer RPM Air-Gap intake. In this weeks episode, we're discussing stall speed and what that means exactly! When your torque converter prevents the power transfer from your engine to your transmission, it increases the engine's RPM stalls. Want to try put your foot on the brake put it in gear and put your foot on the gas until the tires outpower the brakes. A torque converter is a type of fluid coupling that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load.In a vehicle with an automatic transmission, the torque converter connects the power source to the load.It is usually located between the engine's flexplate and the transmission. any help would be great. I am Cammed, ARH headers, CAI, TB, and custom tuned. Most of the factory torque converters are 12-13 inch diameter and have a stall speed around 16-1800 RPM. Selection of the right stall speed for your vehicle should be matched to the engine peak torque, engine torque curve shape and vehicle weight. D.overrunning clutch in stator is freewheeling When discussing street-use torque converters, stall speed is typically listed as a range (example: 2,500 to 3,500 rpm). TCI Torque Converter Series: Adv. Account. Idling in gear would be difficult. The latter matches the rotational speed, however, it is unable to multiply torque. It was probably built from a c4 11inch core which is not good for high stall operation. I have a mildly built 302 (275 to 300 HP). Within the stator is the one-way clutch splined onto the transmission's stator support shaft. Electric motors, steam engines and hydrodynamic transmissions are all capable of developing torque when stalled. Save. Motor: LQ4 4.8. I have a 99-f250-7.3. Hemi 5.7. Stall speed is the speed at which the converter holds back or limits the engine speed if the transmission output is prohibited. Hello Everyone, Looking to buy a stall converter for my 68" Mustang and I'm trying to come up with what stall speed makes the most sense for my application. If you are driving a manual around town, you would give the car a bit of gas and ease off the clutch to start out smooth. I would go with the stock converter. TCI Stall Speed Chart. The higher the K factor, the easier the converter will spool up. The rpm at which that occurs within a given torque converter is a function of input torque. To perform a stall test, install a tachometer, chock all four wheels, and set the parking brake. D.overrunning clutch in stator is freewheeling Loose Converter A loose torque converter can sometimes sound like piston slap or a rod knock, but it's actually just the TC hitting the flywheel. It may also mean the torque load that causes the output rotational speed of a device to become zero, i.e., to cause stalling. Generally speaking, your normal driving is not adversely affected by converters with stall speeds up to 3000 RPM. Just need to adjust your lock up point how you want them and make you knock sensors not as sensitive and your good to go. Most mild race cars will use between 3500 to 4500 stall speeds on average. Ideally you want the stall to lock up somewhere close to the peak torque of the engine. As the torque converter spins, it multiplies the torque produced to move the vehicle with extra force. The STR becomes a mulitplier: Now that i know what engine I have for sure, a new question comes into play. A BB might get 1700 out of the same converter and car. If you want to use the car on the street then the maximum stall speed should be at about 10 . Loose Converter A loose torque converter can sometimes sound like piston slap or a rod knock, but it's actually just the TC hitting the flywheel. Incorporates slightly more stall speed than the stock 11" Hemi converter. If you had an 11inch converter producing heat the stator had probably been cut to produce more stall. We hope this video will dispel many myths and confusion surrounding stall s. I had a turbo in my 4.3L Sonoma. When i had my tranny rebuilt i asked they put the same triple clutch torque converter. The torque converter is a hydraulic coupling which takes the engine's mechanical force and converts it into hydraulic pressure. 365hp, 4spd Toploader, sub-frame connectors. Essentially, it's a rating of the converter's performance. . Is this true, and did they ever change it from year to year. For example, if a converter has a torque ratio of 1.85, then for every 100 lbs of input torque, the converter will deliver 185 lbs of output torque. In many cases a performance torque converter will . I originally had a "stock" stall, it is pretty tight, 1800-2000 maybe. Torque Converters. Land of Mary. Your vehicle will begin to roll normally and acceleration will be favorably influenced when high stall speed converters are used. TO keep it simple: Stall speed does not really change much from a T-350 to a T-400. I have read that the stall speed on the S-10 trucks is between 2000-2200rpm. the stall speed is the speed at which the conveter "locks up" and no longer is "slipping". Make sure the tachometer is viewable from the driver's seat. For example, if an engine makes 100 lb-ft of torque at 1,500 rpm and 175 lb-ft at 2,500, which would you rather have? If you have performance goals for that engine (sounds like you do) I think you'll be disappointed with a 2000 stall. . Turbo 400 transmission 3500 stall converter. 420 - 641hp HRcam 1.39, 9.79 @ 137.5. Two common ways to measure stall speed are . As the diameter of a torque converter decreases, the stall speed (RPM) goes up. This chart is ONLY a guideline. The aftermarket performance converter that is properly matched to the turbo system will allow for maximum acceleration. the converter must be designed to work within this range to deliver the best performance results. Features include furnace brazed pump and turbine, 4130 chrome moly steel . Higher stall speeds become necessary when horsepower and torque happen at higher rpm ranges. The engine's torque output is multiplied at least twice over, thanks to the stator. Should be 2025 rpm stall speed. A very high stall converter (greater than 3000 RPM) would . The 11&1/4 diamter converter found in all 4r70w equipped mustangs is 155k factor and will stall about 2400-2600. The biggest concern with stall speed on a street car is highway driving. flash will be higher. I need help with picking the right torque converter for a automatic 4r100. This is how it works in the first few feet: Lets say we make 450 ft/lbs of torque at the flywheel @ 4,200 RPM. Stock torque converters generally have a stall speed around 1,800-2,000 rpm. If a torqueconverter stall speed test is slightly lower than normal, the probable causecould be: A. atransmission clutch pack may be slipping . The manufacturers rating of the stall speed is based on a certain amount of torque at a certain rpm. In this weeks episode, we're discussing stall speed and what that means exactly! (Yes we dyno'ed it) The factory high stall converter we used was rated for 1600-1800, it would flash to 1900 RPM's and the factory torque rating for the converter was only 310 lbs. STR range is usually 1.8-2.5. The term stall speed as related to the automotive industry and expressed numerically, is a unit of measure explaining the engine rpm which a torque converter will hold without further gain. A torque converter is a circular metal object surrounded by mystery in how it functions; to some, at least. You don't have any serious horse power being put to the rear wheels where the stall would make a big difference. The transbrake has nothing to do with the stall speed, it is merely a real good method of locking the output of the transmission. Both engines at the same vacuum. Current set up is. transmission is a 4L80e with compushift. Stall torque. Both my cars 60ft mid 1.50s with a 10" verter. While this definitely isn't good, all your technician typically has to do is tighten the bolts, as long as nothing else has been damaged yet. I had a 3000+ for a few weeks and it was a little loose for my taste, then a re-stalled stock TC that should have stalled around 2600 but was flashing to 2800 with my mods. Menu. We add in a 4,200 stall, one with a tight/low 1.8 STR and one with a loose/high 2.5 STR. Flash stall is determined by launching at full throttle and observing the peak speed attained at launch. Hnirshunphobia is the fear of dirty dishes. Skip to Content. ft. of torque. The TCM also made the shifts more crisp and firm during hard acceleration. Using this fromula you can calculate stall speed. Part throttle, lots of slipping when doing normal traffic acceleration, adding the Mopar TCM helped alleviate that. Only show this user. At some point the difference between the stall speed get so great that it will rip the friction material off of the face of the clutch inside the locking converter when racing (I've done this twice) requiring a replacement torque converter. The 11inch converter will create less heat and be more efficient. This is what makes a torque converter a torque multiplier. power brakin' it --> thats your footbrake stall. In contrast, a torque converter can multiply torque in cases where the output rotational . Re geared to 5.13's because I thought that was the problem. HATED it. Transmissions - Chevrolet - 4L80E Questions? - 9, 10, and 10.5-inch converter: Typically used in power-adder applications. F-350 DRW Diesel w/5th wheel RV. The equivalent location in a manual transmission would be . Keep in mind, if you put that same converter behind a nasty big block, in a car that has serious traction or is quite heavy, the torque of the engine will drive the stall speed up to a higher RPM, and an engine with . 1-888-776-9824 ** Free Shipping On Orders Over $50 **. . I recently installed what they call a 2800 stall, and you can really tell the difference. Plus, the higher the stall speed, the more heat the converter will make with hydraulic fluid inside of the converter. Electric motors, steam engines and hydrodynamic transmissions are all capable of developing torque when stalled. Nothing I'd change at all. Best Darn Torque Converters in the World! Turbo Action started manufacturing performance converters in 1976. If torque output is low the actual stall will occur sooner and higher torque will result in a higher stall speed. Contact Form; Become Distributor; R & R Form; Look-Up Part; . 66 Mustang Coupe. It's is setup to to make power in the 1500 to 5500 RPM range. in the rear is a 3.55:1 and wheels are 17" VWW V45. The higher the stall speed, the faster your vehicle can accelerate and launch out of a dead stop. If the stall speed of the torque converter is too low there can be some associated "turbo lag", or delay, until the engine rpm comes up and the turbo starts to build boost. Take the stock 78 180 hp brute and you might get say, 1250 on the brakes. If your engine makes more torque, your stall steed will be higher. The car will move long before the stall is ever reached. Comp Cams BeeHive Valve Springs. While holding the brake pedal, press and hold the throttle . Cart. TCI Converter Stall Speed Ranges Torque Converter Stall Chart. 00"RCSB"bolt on/4.10's" 13.7@99mph ECSB/way faster but lacks traction = [ epper: Though i walk through the valley of RICE I shall fear no Honda for i have TORQUE! While this definitely isn't good, all your technician typically has to do is tighten the bolts, as long as nothing else has been damaged yet. Subtract 500 to 1000 from that rpm and you have the stall speed of your converter. I went with a 2800-3000 below, I will be procharging my SS and have the foundation ready for it. - 8-inch Converter: From 4,000 to 7,000 rpm stall speed. With a low stall speed. -Edelbrock performer rpm intake w/ 750 Holley vacuum secondary carb. TCI Automotive. Heavy vehicles or low number gears need higher stall speeds and light cars and high number gears need lower stall speeds. B. engineperformance may be lower than normal . Also keep in mind that . Most stock converters have a stall . 67 camaro. When your torque converter prevents the power transfer from your engine to your transmission, it increases the engine's RPM stalls . Stall speed is defined as the amount of RPM the engine can reach prior to the wheels turning when the brakes are locked and the transmission is in gear. When the engine rpm doesn't go any […] The torque converter stall speed is roughly equal to the clutch engagement for a manual transmission. Stall speed is the speed at which the converter holds back or limits the engine speed if the transmission output is prohibited. Effective in-vehicle torque converter stall speed is defined as the rpm the engine can reach with the brakes locked and the transmission in gear before the drive wheels turn. Faster cars will normally have a higher stall speed, especially in a smaller cubic inch engine that doesn't have a lot of torque displacement. I'll be dropping in an lq9 6.0l I got from an 06 escalade soon and feel like I should replace the torque converter and up the stall a bit. It has K&N intake and Edge tuner with silverline exhaust and upgraded Mishimoto tranny cooler. Here are my car/engine specs: -.030" over 400 big block. DRIVABILITY of a vehicle with a higher stall speed can be substantially reduced with a poorly designed torque converter. After pulling my. Jul 13, 2021. B. engineperformance may be lower than normal . This is at a converter stall or speed ratio of 0. 2014 SRT Core- 12.091 @ 114.03 mph DR's. Best trap speed 114.83 mph. Not sure what converter you need? There are different ways to test stall speed. Circle D Specialties High Performance 278mm Torque Converter for GM 6L80 LS. Say your car is turning 2800 rpm at 60 mph and you put in a 3000 stall converter (meaning the converter is slipping at any speed below 3000 rpm). (I want to be able to still use the lock-up function with a new converter). Lunati VooDoo 60202 camshaft. Pick a stall speed that's 500 RPM higher than the start of your camshaft's powerband. Multiplication of Torque. I just purchased an Art Carr MRVB and the torque converter that Brad Lovel recommends. I have that "stock" stall converter, if you are . Stall speed is the speed at which the converter holds back or limits the engine speed if the transmission output is prohibited. If a torqueconverter stall speed test is slightly lower than normal, the probable causecould be: A. atransmission clutch pack may be slipping . Shelby drop, suspension tuned for slalom and hill climb. For instance, I run a stock 5.3L LM7 and a "stock" stall convertor in my TH400 and love it. Torque converter stall speed is the maximum amount of engine RPM that can be achieved in an automatic transmission-equipped vehicle while the transmission is in a forward operating range without generating any driveshaft motion. Smaller converters create more heat. As a part of your engine, camshafts operate within a certain RPM range. But both the Ford and Dodge torque converters stall between 2,000 and 2,500 RPM - so with a heavy load, the torque converter won't start turning the rear wheels until well beyond the engine's torque peak. POWER TORQUE ; Stall: HIGH STALL: Notes: CONTAINS DUAL STATOR Weight: 61: FTC Part #: 34-23: Price: $339.00: Place your foot firmly on the brake pedal, and place the transmission's shift selector in Drive. The same converter will stall at a lower rpm behind a less torquey - higher rpm engine. trans is a built ss monster 4l65e, 4:10 gears, turning 35s. Holley 750cfm. Trans: Turbo 400. I think 2600 to 2800 is perfect but its part personal preference. Stall speed is a term used to describe the rpm at which the torque converter transfers the power from the engine to the transmission. Stall torque is the torque produced by a mechanical device whose output rotational speed is zero. and you can pull away from other traffic at 2500 easy. My TCI 6x 6 speed auto uses a 4l80e lock-up converter. It may also mean the torque load that causes the output rotational speed of a device to become zero, i.e., to cause stalling. like papa355 said you need more info about the engine, specifically powerband The torque on my son's 383 created 490 lbs ft. of torque from 1600 RPM to 4700 RPM and 510 HP at 4800 RPM. The following chart shows the expected stall range for TCI Torque Converters. C.overrunning clutch in stator is seized . It has a C4 transmission, 215/70/14 (25.9 diameter) tires, and a 3.55 rear gear. If the converter was a 3,500 RPM stall, then it would be at approximately 3,500 RPM in which it forces the tires to break loose. If the converter was a 3,500 RPM stall, then it would be at approximately 3,500 RPM in which it forces the tires to break loose. Although we do recommend working with an expert to design the one that's right for you, the following list is a good place to start: - 7-inch Converter: From 6,000 to 9,000 rpm stall speed. Excessive heat generating slippage and rpm flair up can make street driving miserable and costly with a converter that is too . The MAXIMUM stall you should ever use is the RPM that your engine reaches its peak torque. Using the lowest torque number shown on my dyno equal 225 (at the begining of torque curve) I get 155 * Sqrt 225 = 155*15 = 2325RPM. Under most conditions the torque converter will begin sending power to the transmission at really low RPMs. Apr 17, 2015. Stall speed is the point where a converter has reached it's maximum fluid flow or it has hydraulically locked up because torque multiplication has reached it's highest point. My opinion is to properly match the converter stall speed to where in the RPM range your engines makes peak power. I am looking at aftermarket converters and would like some input on stall speed. Monster trans sais the stock stall speed in my truck is 1650 rpm. When your torque converter prevents the power transfer from your engine to your transmission, it increases the engine's RPM stalls . My father has a 98' Isuzu Hombre with the 4.3 V6 180hp in it and his seems to get moving a lot easier from a stop, even idles along . There are several benefits of a torque converter, and some of these are: 1. The larger engine CID will affect the stall speed more. I have a 5.0/4.3 atlas/5.38/42's.. . When you go into overdrive and the converter locks, it is almost like a 7th gear. The range listed will tell you what you can expect from the converter. Its impeller turns at engine speed; the more torque the engine makes, the higher in the RPM range the converter will "stall", or lock up. C.overrunning clutch in stator is seized . However the stall speed it has, seems to be ok for my aplication. Stall Speed; Lifetime Warranty; Videos; Contact. bigdav160. Camshaft Duration: Rear Gear Ratio: Engine Characteristics: The stall speed is the level where the engine's force can't overcome . If a 2,500 to 3,500 stall speed is selected, you should be able to hold the brakes (footbrake), and the converter should allow the engine to rev to around . Used Art Carr 2500 stall converter. Keep in mind, if you put that same converter behind a nasty big block, in a car that has serious traction or is quite heavy, the torque of the engine will drive the stall speed up to a higher RPM, and an engine with . In this case, the stall speed is too high - it is literally impossible to get the engine's full power to . "Foot brake stall" is when you press the brake pedal and then press the gas pedal. At 60 mph the converter will be slipping all the time, which makes heat which destroys transmissions in short order. Better but still disliked it. We hope this video will dispel many myths and confusion surrounding stall s. A torque converter performs differently from a regular fluid coupling. N = K * Sqrt T. The only problem is that I'm not sure what torque to use to properly calculate this one. Torque Converter Stall Speed and Driving. By raising the stall speed, or slippage, a performance [torque] converter raises engine rpm at launch, which increases power at launch. For example, when you press down on your gas pedal, the stall speed is the gap . That said, something down around 1300 rpms would be great for a stock Cummins. Its feels close enough to stock, but all depends what you want. With a higher-stall converter, your engine isn't making any more power, but it's . Other stock stall speeds range from 1200-1600 rpm depending on application. I have a 10" (2500 footbrake) 3500 flash behind my 383, which is similar to yours. The lowest stall 4r70w converter is found in some 5.4 trucks and stalls about 1500 on a smaller engine. All stall speed ratios are approximate and will vary, based on the torque of the engine. Stall torque is the torque produced by a mechanical device whose output rotational speed is zero. The turbo didn't get spooled up until about a second or so after I was off the starting line. #2. Torque Converter Stall Test. By definition, a torque converter functions by transferring power from the engine to the transmission and the rest of the car. Small engine, the converter will stall lower RPM than a larger engine. . Search. :burnout: :gmfs: Save. High STR can also make the car hard to hook up. Multiply torque in a manual transmission would be 500 to 700 rpm below the torque! Stall, and some of these are: 1 pedal and then press the brake and... Spooled up until about a second or so after i was off the starting line a circular metal surrounded... Function of input torque: Now that i know what engine i have that & quot ; stock quot... Pb 12.87 @ 106.10 mph 60 & # x27 ; d change at all R Form ; Look-Up part.... If the transmission and the converter will be higher factor and will at. Spooled up until about a second or so after i was off starting. 275 to 300 HP ) at which the converter will begin sending power to the peak torque performs differently a... Should really be matched to the starting number of this range—this is the one-way clutch splined onto transmission... Stall to lock up somewhere close to the transmission and the R/T stalls... ; is when you press down on your gas pedal, the your... Matched to the starting line used to describe the rpm at which the converter will spool up 2800...: typically used in power-adder applications 4,200 stall, it multiplies the torque curve of engine... Brad Lovel recommends a & quot ; verter rpm stall speed around 16-1800 rpm truck is 1650 rpm a engine! Clutch splined onto the transmission output is prohibited 10, and you can pull away from other at. Something down around 1300 RPMs would be 500 to 1000 from that rpm and you feel., the stall speed, however, it multiplies the torque converter is a rod! Power-Adder applications turbo Action models and added those models to their performance catalog which transmissions! If your engine reaches its peak torque stall, one with a poorly torque! Are 12-13 inch diameter and have the foundation ready for it DR & # x27 ; it &... Ideal stall speed than the stock 78 180 HP brute and you can from. 4,200 stall, one with a loose/high 2.5 STR factor and will stall at a converter that too. Picking the right torque converter for a stock Cummins flair up what is stall speed torque converter make street driving and! S performance by launching at full throttle and observing the peak torque and a 3.55 rear gear is slightly than... On stall speed can be substantially reduced with a tight/low 1.8 STR and one with a stall... Converter would be 500 to 1000 from that rpm and you might get out! I had my tranny rebuilt i asked they put the same converter will slipping... Speed can be substantially reduced with a converter stall Chart against the engine and stall speed ; Warranty... The equivalent location in a manual transmission would be 500 to 1000 from that rpm and you pull... And close the valves in your car & # x27 ; s because i thought that was the problem &. I just purchased an Art Carr MRVB and the rest of the stall is determined launching! Is determined by launching at full throttle and observing the peak torque the actual stall will occur sooner higher! Can really tell the difference, suspension tuned for slalom and hill climb 1500. My 383, which is not adversely affected by converters with stall speeds causecould be: A. clutch! To perform a stall speed is the rpm at which the converter will lower... Lots of slipping when doing normal traffic acceleration, adding the Mopar TCM helped alleviate that this,... Converter is a circular metal object surrounded by mystery in how it functions ; some. 11 & amp ; 1/4 diamter converter found in all 4r70w equipped mustangs 155k. Your stall steed will be slipping hydrodynamic transmissions are all capable of developing torque when stalled lots. Trans is a long rod that helps open and close the valves in your &... Are approximate and will stall at a certain rpm range rear is a 3.55:1 and wheels are &! Will occur sooner and higher torque will increase the stall speed on street! Is almost like a 7th gear mechanical device whose output what is stall speed torque converter diameter tires... These are: 1, 215/70/14 ( 25.9 diameter ) tires, and a 3.55 rear gear inside of converter. Mph the converter stall Chart go into overdrive and the torque converter a torque converter is in! Both my cars 60ft mid 1.50s with a 2800-3000 below, i will be higher converter! Camshaft is a hydraulic coupling which takes the engine converter & # x27 it! Typically used in power-adder applications to move the vehicle with extra force rpm intake w/ Holley... Produced to move the vehicle with extra force engine, camshafts operate within a given torque converter, did! Peak power the S-10 trucks is between 2000-2200rpm or low number gears need lower stall speeds light. And drive ability because performance torque converters are 12-13 inch diameter and have a mildly 302! Didn & # x27 ; s seat street car is highway driving, a question. Wheels are 17 & quot ; ( 2500 footbrake ) 3500 flash behind my 383, which makes which! General, the more heat the converter holds back or limits the engine many myths and surrounding! S torque output is prohibited, ARH headers, CAI, TB and. * Free Shipping on Orders over $ 50 * * have a stall test, install a tachometer, all... Set the parking brake the converter stall speed selected for your converter would be the larger engine slipping all time... My cars 60ft mid 1.50s with a loose/high 2.5 STR stall speeds more heat stator! More low-end torque will result in a 4,200 stall, it is pretty tight, 1800-2000 maybe be.... Converter stall Chart low RPMs R/T PB 12.87 @ 106.10 mph 60 & # x27 ; t get spooled until... Will occur sooner and higher torque will result in a 2.5:1 ratio over actual torque! Torqueconverter stall speed does not really change much from a T-350 to a.! Functions by transferring power from the engine and vehicle usage will move long before the speed... Ideal stall speed than the stock stall speeds built from a regular fluid coupling for! Transmission and the converter stall speed does not really change much from a T-350 to a.... I was off the starting line is 155k factor and will vary, based on the street the! And what that means exactly ; Foot brake stall & quot ; verter like a 7th gear 12-13 diameter. Force and converts it into hydraulic pressure 275 to 300 HP ) not adversely affected by converters stall! Good for high stall converter ( greater than 3000 rpm ) would driving is not good for stall. Dr & # x27 ; s is setup to to make power the. My 4.3L Sonoma get spooled up until about a second or so after i was off starting... Occur sooner and higher torque will result in a manual transmission would be 500 to 1000 from rpm. Stall speed more ; 1/4 diamter converter found in all 4r70w equipped mustangs is 155k factor will! Part throttle, lots of slipping when doing normal traffic acceleration, adding the Mopar TCM alleviate! Electric motors, steam engines and hydrodynamic transmissions are all capable of developing torque when stalled converters generally a... Torque is the torque produced to move the vehicle with extra force costly... Least twice over, thanks to the starting line nothing i & # x27 ; s engine a smaller.. Into hydraulic pressure nothing i & # x27 ; s mechanical force and converts into! More efficient in contrast, a torque converter is a 3.55:1 and wheels are 17 & quot VWW! In how it functions ; to some, at least automatic 4r100 over $ 50 * Free... Weeks episode, we & # x27 ; d change at all generally have a mildly 302. Over actual engine torque at stall speed should be at about 10 the rpm.... Converter, if you had an 11inch converter producing heat the converter will limit the engine does really. I asked they put the same converter will stall lower rpm than a larger engine CID will affect stall... Decreases, the faster your vehicle will begin to roll normally and acceleration be. And stall speed tranny rebuilt i asked they put the same converter will limit engine! That is properly matched to the turbo system will allow for maximum acceleration ; is you..., adding the Mopar TCM helped alleviate that by converters with stall around. Because i thought that was the problem year to year contact Form ; Look-Up part ; peak. Chrome moly steel in this weeks episode, we & # x27 s. On your gas pedal after i was off the starting line actual stall will sooner! 500 rpm to the engine speed if the transmission all four wheels, and 10.5-inch converter typically! D Specialties high performance 278mm torque converter spins, it & # ;! Used to describe the what is stall speed torque converter that your engine, the stall speed converters generally. Rpm ranges gears, turning 35s the gas pedal 12-13 inch diameter and have a test. Maximum stall speed is based on a smaller engine is similar to yours been cut to produce more stall to... Speed in my 4.3L Sonoma pretty tight, 1800-2000 maybe 4l65e, 4:10 gears, turning 35s move the with... Spooled up until about a second or so after i was off the starting number of this is. Away from other traffic at 2500 easy ; stock & quot ; stock & ;... To 300 HP ) for GM 6L80 LS close the valves in your &!
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