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Click on image for the lowdown. 
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| | | Forums66 Topics128,081 Posts1,056,078 Members48,434 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Is it odd that the Shop Manual does not mention a gasket or the spacer/insulator?
The Master Parts Manual refers only to a gasket between spacer and carburetor.
I always use a gasket between carburetor and insulator (with the cut-out properly oriented). I have sometimes used a gasket between spacer and manifold (if the mating surfaces were not real smooth). I have never had a leak when I did not use a gasket between the insulator and clean/smooth insulator and intake nanifold. | | |
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