LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stall Wall

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Old Feb 19, 2013 | 03:36 PM
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Default Stall Wall

Ok so I went from a 3500 stall to a 4000 stall and hit Stall Wall. The car was tuned for the 3500. Someone told me that the tail shaft flexes on the tranny and cause this. If I relocate the torque arm OFF the tranny would this fix the Stall Wall problem?
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Old Feb 19, 2013 | 03:56 PM
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what!? no!!! lol........but relocating the tq arm is a good idea anyway.........retune the shift points and problem solved
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Old Feb 19, 2013 | 03:56 PM
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No, that will not fix the problem. Only retuning shift points will.
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Old Feb 19, 2013 | 04:58 PM
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Gotcha.. I don't know much about this issue. So if my stall is 4000 I have to get the VSS set to 4000?
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Old Feb 19, 2013 | 05:27 PM
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With just a 3500 you might get by with just screwing with the WOT shift MPH. Depends on how much your converter slips. Converters aren't all created equal.
I hacked the OS a few years ago. My 4500 converter didn't even needs the WOT shift MPH screwed with after that. Have seen a few that still needed the shift points screwed with too. Those were so loose neither "fix" would work alone.
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Old Feb 19, 2013 | 07:09 PM
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Ed I'm going to set an appointment with my tuner and see if he can fix this. But I really would like to get in touch with you if he cant fix this. Are you running a shop?
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Old Feb 19, 2013 | 07:22 PM
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Working out of my home now. Who is your tuner?
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Old Feb 19, 2013 | 07:26 PM
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Geoff at Engine Power Systems (EPS) in Baton Rouge, LA. Do you take Mail Orders?
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