Was driving the IROC down the hwy. and went to pass a car...floored the gas and it downshifted then the rpms shot up like it was in neutral. I was about to turn anyway so I took off from the light and thought everything was okay. Went through 1st no problem, shifted to second just fine, but wouldn't shift into 3rd. Then it started slowing down. I could hold 30mph w/ the tach sitting on 2500.

Pulled into a gas station to check the fluid...off the dipstick so I put in 3(!) quarts to fill it back up. I don't know where the hell 3 quarts could have gone, but anyway... SAME THING. Made no difference whatsoever. Basically I lost 3rd and 4th gear. I'm thinking it ran low SOMEHOW on fluid and cooked the bands/clutches/maybe the sprag (?). What do the experts think?

thanks,


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87 IROC-Z, 5.7, auto, 3.27, leather, !cat, Holley fpr, K&N'S, SLP 1-3/4" Jet-Hot coated headers, SLP .218/.224 .495/.502 cam, Comp 1.5 roller tip rockers, $uperPITAram, Edelbrock lower intake, Holley 52mm tb, Dynomax\Flowmaster catback. Coming Soon(?)- Fasttrack/Accell DFI

1989 Pontiac 20th Anniversary Turbo Trans Am - 161,000 miles, !cat, 9" K&N

 

You probably burnt up the 3-4 clutches, then the tranny got hot and puked out vent tube. It happens, time for a rebuild. Sorry.

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