91 TBI 305 to 70 350 block will everything work - Team Camaro Tech
Tech 2002 General Tech questions from 2002
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post #1 of 2 (permalink) Old May 17th, 02, 08:26 AM Thread Starter
Join Date: Oct 2001
Location: Beaumont, TX
Posts: 2
I have a 91 RS with TBI 305 I decided to go to a 350 and I was wondering if everything will bolt right up to my 1970 350 block. I want to put everything on there just like the 305 the only thing different will be the heads. Will it all work?
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post #2 of 2 (permalink) Old May 17th, 02, 08:50 AM
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Join Date: Feb 2000
Location: Waldorf,Md,USA
Posts: 176
The 91 engine has a one piece rear main seal and you will need a replacement flexplate/flywheel. The intake bolts in the center of the intake are at a different angle, you may be able to make them work if you enlarge them and there may be exhaust manifold bolt up problems, most of the late model heads have 7 exhaust manifold bolt holes and the older ones only have 6. Hope this helps.

Leo Paugh
MCC #017

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