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Old 08-05-2021, 05:52 PM   #20
ellisjay2
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Join Date: Feb 2014
Location: marietta ga
Posts: 147
Re: Went from 80s to 70s block, alternator bracket is longer....

Quote:
Originally Posted by Pontiac1976 View Post
There two or three thing it could be, is the flex plate on the right way. The TQ converter is too wide trans, ATT: if the TQ converter is not all the way in the trans input shaft and you try to start your motor you will blow up the transmission oil pump $50. part but you have then rebuild the trans now to fix. The TQ converter should slide like three clicks in and be pretty firm snug to back. I did about 5 trans and motor be for I found out about this the fresh trans rebuild I got had to be rebuilt it was not all the way in this was 33 years ago.
Flywheel was never removed from block, its my stock 350 trans that came with truck, 85 sierra. I went from 80s block (14093638) to 70s block...(3970010).
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86 gmc 2500 longbed Carb 5.7, rwd,
400 tranny.
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