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Mod | | | Forums66 Topics128,192 Posts1,057,353 Members48,469 | | 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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| | | | Joined: Feb 2009 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 137 | Chasing down an exhaust leak, I've got the manifolds off of my 292. After addressing the broken studs and such, I attempted to reassemble only to find that the exhaust manifold does not want to line up with the bolts and guide pins. It is as if the manifold is bowed down in the center.
I headed down to my local junkyard where there is a 250 motor that they will be yanking the manifolds from.
They are interchangeable, eh? | | | | | Joined: Sep 2006 Posts: 841 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 841 | been there done that, as they say. yes the 250 will work as long as it's the style that unbolts from the head. i got some good advice about actually looking for a 250 since the 292 ones are usually warped on the board here. later ones have 3 bolt exhust older ones have just 2, so it you don't want to have any muffler shop work- look out. some of the 292's on big trucks used the 2 1/2" dump but yours prob isn't that- if it is i'll take it off your hands.  | | | | | Joined: Feb 2009 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 137 | No problems with the 2 bolt exhaust flange, checked that when I eyeballed the part, no need for muffler work {I'd do it myself anyways!}
They'll be pulling it from a Chevy stepvan so I can install it in my Grumman!
'Preciate the advise! | | | | | Joined: Feb 2009 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 137 | Sometimes things go my way. Got the new manifolds home, the junkyard didnt bother to ONLY sell me the exhaust side, so I got both. Quick check of the gasket seal between the In and Ex witha spray of carb cleaner, good! Go to remove the stub of the exhaust pipe they cut, took the nuts off with my fingers!
Mounted it all up and hit the ignition, comparable silence to the racket of before, all is well! | | |
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