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1971 Corvette 350 Stall question

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Old Mar 20, 2015 | 10:30 AM
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Default 1971 Corvette 350 Stall question

1971 with matching motor and trans. My question is what is the factory stall on the torque converter?
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Old Mar 20, 2015 | 10:57 AM
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My 77 was 1800. You can find out though apply the brake and the throttle together, where ever the rpm peaks without tires spinning that is your brake stall. If it's stock tires won't spin.
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Old Mar 20, 2015 | 11:38 AM
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Motor is out of the car unfortunately and i'm trying to see if I should replace it. Cam i have requires 2200 stall. The only markings i have is D4 on the converter.
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Old Mar 20, 2015 | 01:45 PM
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Originally Posted by BadDnky
Motor is out of the car unfortunately and i'm trying to see if I should replace it. Cam i have requires 2200 stall. The only markings i have is D4 on the converter.
You can be pretty sure it's not 2200. If it's not stock it is an unknown without being able to test it.
If the cam recommends 2200 I would go with around 2400 stall.
With a stall converter it is usually wise to also install an additional trans fluid cooler. More slip equates to more heat in the transmission fluid. Heat kills a transmission much sooner.

Mine stalls at 2600 and has the additional cooler in line with and after the radiator cooler.
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Old Mar 20, 2015 | 06:22 PM
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Originally Posted by BadDnky
1971 with matching motor and trans. My question is what is the factory stall on the torque converter?
2110 factory stall. Here is the link. Page 130.

https://www.gmheritagecenter.com/doc...t-Corvette.pdf
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