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Transmissions and Drivetrain Need help with your trans? Problems with your axle?

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Old 11-02-2009, 12:22 PM   #1
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Join Date: Mar 2009
Location: Des Moines, IA
Posts: 503
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open

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Jerk Under Hard Acceleration

Ok, so I've noticed lately in my maro that when i'm at WOT (like at an on ramp) When my tranny shifts one side of the car seams to jerk a bit forward. Hard to describe but it seems like on side is getting more traction then the other. Today, coming home from school I was WOT on the on ramp and on my 1-2 shift I actually left a tire mark on my right side, by sound (no tach yet) I think I was at about 4-4.5k rpm's when the tranny shifted. Anyway, is this pulling just because I don't have a posi or is my suspension really worn? I know this is kindof a stupid question but I'm paranoid. My suspenion looke fairly new (kyb stuff) and everything is tight, but I just worry.
Thanks
Alex
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Old 11-02-2009, 06:17 PM   #2
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Re: Jerk Under Hard Acceleration

sounds like your trans has a shift kit that's doing what you should want it to do. The reason it spins the right rear is because the rotation of the pinion gear against the ring gear tends to slightly lift the right tire. Enjoy!!!
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Old 11-02-2009, 09:10 PM   #3
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Join Date: Mar 2009
Location: Des Moines, IA
Posts: 503
Car: 90 Formula WS6, 86 Sport Coupe
Engine: 305 TBI, 2.8 MPFI
Transmission: 700r4, 700r4w/vette servos
Axle/Gears: 2.73 Open, 3.42 Open

Classifieds Rating: (0)
Re: Jerk Under Hard Acceleration

woo hoo! now i remember when i had it rebuilt they put a shift kit in. Thanks ~ Alex
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Got the feel for the wheel, keep the movin' parts clean ~ Van Halen
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Old 11-02-2009, 09:10 PM
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