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Topic Review (Newest First)
12-12-2007 09:22 PM
vmann77
th 350 problem

the trans was freshend up 10 years ago but sat up for 7 before i finished my project.
12-12-2007 07:49 PM
Crosley
Quote:
Originally Posted by vmann77
The valve body is designed for no engine braking just in 1st manual 2nd will brake. The part number is tci-321000 .I just test drove the car about 2 miles.It shifted fine till 3rd manual then down shifted into 2nd back to 3rd like it was in passing mode. But their is no linkage going too the detent control valve .I have removed the detent cable years ago. I was at full thottle when it happens but doesnt do it all the time.The fluid looks great and is full THANKS.

sounds like a problem in the direct clutch.... the trans is not down shifting , 3rd gear is coming off.

When a t-350 shifts to 3rd gear , 2nd gear remains applied, the roller clutch over-runs. When 3rd gear comes off , the roller clutch engages and you are in 2nd gear again


What is the history on the trans? Fresh rebuild with this v-body? Old trans with v-body change?

12-12-2007 06:32 PM
vmann77
th 350 problems

The valve body is designed for no engine braking just in 1st manual 2nd will brake. The part number is tci-321000 .I just test drove the car about 2 miles.It shifted fine till 3rd manual then down shifted into 2nd back to 3rd like it was in passing mode. But their is no linkage going too the detent control valve .I have removed the detent cable years ago. I was at full thottle when it happens but doesnt do it all the time.The fluid looks great and is full THANKS.
12-12-2007 04:50 PM
Crosley
Quote:
Originally Posted by vmann77
drag racin 6 months ago i lost 2nd gear.i replaced the intermidate servo piston it was cracked now their is a aluminum piston in it. i also put a tci manual valve body that has no 1st gear engine breaking. i was at gainsville this weekin racin trans worked great except on the last pass .at the 1000 ft. mark third gear felt like it broke .it bounced off the limiter like it was in nuetral when i got to the shutdown i fired it back up and i works fine PLEASE HELP ME THANKS!

Posssible high gear (direct) clutch problems.. The clutch may hold under lighter power , not hold full power.

Is the fluid level OK?


No engine braking in manual 1 gear or manual 2nd gear?

12-11-2007 07:39 PM
vmann77
th 350 problems

drag racin 6 months ago i lost 2nd gear.i replaced the intermidate servo piston it was cracked now their is a aluminum piston in it. i also put a tci manual valve body that has no 1st gear engine breaking. i was at gainsville this weekin racin trans worked great except on the last pass .at the 1000 ft. mark third gear felt like it broke .it bounced off the limiter like it was in nuetral when i got to the shutdown i fired it back up and i works fine PLEASE HELP ME THANKS!

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