torque convertor stall question
Thread Starter
Member
Joined: Dec 2002
Posts: 200
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From: Indiana
Car: 89 Iroc Z28
Engine: 312ci
Transmission: 700R4
torque convertor stall question
alright. i was wondering.... my car travels at about 1650rpm on the highway at 65 mph with 2.73 gears and stock stall (1600). i was wondering if i got a 2400 stall if that would raise my highway rpm at 65mph to aprrox. 2400 rpm, or if it woukd still stay the same at 1650rpm. ????? thanx
Thread Starter
Member
Joined: Dec 2002
Posts: 200
Likes: 0
From: Indiana
Car: 89 Iroc Z28
Engine: 312ci
Transmission: 700R4
u sure no change man? this question hit me last night when i was riding in a friends 94 Z28 with a 2800 stall. he were going down 50 and it was at like 3k rpm. he only has 3.42 gears. i thought he was in OD, but he must not have been. thanx
Supreme Member
Joined: Nov 1999
Posts: 2,860
Likes: 3
From: NE
Car: 82 camaro SC
Engine: 350
Transmission: 700r4
Depends. If the converter retains the lock-up function it will be the same. Without lock-up, it will be higher--and create a ton of heat. At 3000rpm with a 2800 stall converter he had to be in a lower gear.
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Joined: Sep 2001
Posts: 1,195
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From: Flowery Branch, GA
Car: 1985 Iroc-Z
Engine: 1 BA 305 TPI
Transmission: Probuilt 700R4 - 2800 Stall Midwest
Axle/Gears: 3.42
3000 RPM at 50MPH is about what I run when the converter is unlocked or if I am in "D" rather than "OD".
Supreme Member
Joined: Oct 2001
Posts: 1,392
Likes: 4
From: orlando, fl usa
Car: 1986 pontiac TA
Engine: 360 HSR
Transmission: 700r4 3300 yank converter
Axle/Gears: 3.27 9 bolt
let's see you have 2.73 gears. he has 3.42 gears. that's why he runs higher rpm for the same mph. here's the math.
RPM=MPH x GR x 336 / TD
2319=65 x 2.73 x 336 / 25.7
2906=65 x 3.42 x 336 / 25.7
RPM=MPH x GR x 336 / TD
2319=65 x 2.73 x 336 / 25.7
2906=65 x 3.42 x 336 / 25.7
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