I just dropped in my 305HO I replaced the old clutch and pressure plate and throwout bearing. The motor seems to run fine. When i let the clutch out it will jerk horribly, as if the cars brakes are locked or something and i have to go to about 2200 rpms while letting it out to keep it from dying. Once it is fully out it seems to go fine. Before i swaped the motor and clutch it was as smooth as could be. What could be my problem.

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1985 TransAm BLK/GLD Stock
1985 TransAm BLK/BLK
305HO (soon as it is put in) 5-speed, 3.27 posi, WS6, power everthing.
http://www.geocities.com/bullfrawgs

 

i'm pretty sure you can't get the disk in backwards on them. did you resurface the flywheel? change the throw out bearing? no air in the hydrolics?

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ICON Motorsports

1st & 3rd
MM Black Diamond 538 F&AM

 

The clutch i put in was the 10.4" and the one that came out was a 10.4" The flywheel seemed smooth so i didn't resurface it. Do you think it could be warped or something? I did change the throwout bearing. I don't think there is air in the line but i will check to be sure.