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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!
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| | | | Joined: Jul 2009 Posts: 27 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2009 Posts: 27 | Need direction to where I can look up the casting /id numbers on a group of chev and gmc 6 manifolds.Do'nt know what they go to and then to what I can match thenm to.ALSO have a GMC 248 with no head.BUT I've got a head with casting #g2 2 2136477 bb will that work on the 248? Thanks folks | | | | | Joined: Jan 2008 Posts: 4,963 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,963 | The head you have is for the pop up pistons that were used from 39 through 52. If your engine has flat pistons, it the wrong head. | | | | | Joined: Jul 2009 Posts: 27 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2009 Posts: 27 | Thank you sir.So if the 248 does have pop up pistons it will be useable? I'm going to lean on you a bit more and ask -Do you know of a chart -reference point to look up info on manifolds and transmissions --all gmc and chevy straight 6 items?Sid Stephenson-over in the Woodlands | | |
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