I changed my car from 2.73 to 3.42 gears. I changed the speedo gears. I saw that it has a green gear on the governor. What color should I get to correct the shifting. Right now it kicks into overdrive at 30mph. Would like to get it back to 40. Also, my car has 115k miles on it and when I changed the trans filter and fluid everything looked ok. No clutch material in the pan and just some minor metal. Would it be ok to go ahead and have someone put the Corvette servo and boost valve in trans or should I just wait for this trans to die.

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91 Camaro RS 5.0L Black Convertible 700R4
** Added so far **
*GM Wonderbar,Alston SFC's,spohn LCA's and Panhard rod
*Turbo City Inj Spacer
*Dual Snorkel Air Filter
*March Performance Pulleys
*GM 3.42 Gears with OEM Zexel POSI
*Edelbrock headers
*3" High Flow Cat
*3" Dynomax Exhaust
*Walbro 255 lph Fuel Pump
***Future 330hp Vortec Crate with LT4 hotcam and 454 TBI

 

Gear size/color are all the same, you need to change the weights for wot shifts and the springs for part throttle shifts.

 

Thank you.

I was wondering the exact same thing and I'm changing the governor tomorrow, so you replied at the perfect time!!!!!!

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I am satisfied with the WOT shifts. What springs would you recommend for the Part Throttle Shifts.

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91 Camaro RS 5.0L Black Convertible 700R4
** Added so far **
*GM Wonderbar,Alston SFC's,spohn LCA's and Panhard rod
*Turbo City Inj Spacer
*Dual Snorkel Air Filter
*March Performance Pulleys
*GM 3.42 Gears with OEM Zexel POSI
*Edelbrock headers
*3" High Flow Cat
*3" Dynomax Exhaust
*Walbro 255 lph Fuel Pump
***Future 330hp Vortec Crate with LT4 hotcam and 454 TBI

 

You'll need to experiment a little but go with weaker springs, a helpful trans shop might be better than a chain shop to buy springs. Or go to a junkyard and pocket a few, th350 transmissions have the same springs.