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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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| | | | Joined: Jun 2011 Posts: 291 'Bolter | | 'Bolter Joined: Jun 2011 Posts: 291 |
I just had a completely new exhaust system installed a few weeks ago. The shop that installed it for me said I had the wrong gasket connecting my 3 foot long temporary exhaust pipe to the manifold. I had the donut gasket that is rounded like a donut on each end and a flat area and two small ridges. I think he might have installed a square type, I haven't checked yet but I have a significant leak at this manifold gasket and I was wondering what is the correct gasket for a stock 55 235 manifold? Is it mostly rounded like the one I installed?
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | | | | Joined: Feb 2000 Posts: 5,198 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,198 | Mine uses the same type of gasket as shown in the link, to keep it from leaking, I installed a short piece of pipe inside the donut to keep from crushing it. I don't remember what size of pipe it was, but it is a common size of exhaust pipe, maybe 2". I found with a flare at both ends, I could keep tightening the bolts till the donut was crushed inside the manifold and pipe. The inner pipe section just floats in there.
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