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Mod | | | Forums66 Topics128,039 Posts1,055,473 Members48,424 | | 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: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | ok so i thought i had a 216 cause of the thriftmaster valve cover... but got these numbers of the block is it a 235? 3837004gm and 0028586t55z all your help is wery appriciated!  | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Thriftmaster just refers to the standard 216/235 engine, depending on the year.
Almost all 216 engines and most pre-1954 235 engines had 2 bolts (often with "acorn" nuts) holding the valve cover to the head.
Later 235 and all 261 engines had 4 machine screws (sometimes they were 1/4"x20-thread pan-head "stove bolt" screws) on the sides of the valve covers.
T55Z indicates a 1955 car engine (manual transmission) made in Tonawanda, NY. It came with mechanical lifters.
3837004 is a 235 block casting code used from 55-57
| | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | cool thanks man guess i have a car 235 engine in my 1952 1/2 truck well im not sad! now i can order a dual carb intake!
do you know if these engine came with dual exhaust original?
the dual manifold says gm so i guess they did! | | | | | Joined: Mar 2008 Posts: 1,775 'Bolter | | 'Bolter Joined: Mar 2008 Posts: 1,775 | You may have a Corvette exhaust manifold. Looks like you have a piece of nostalgia on that old 'bolt. | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | You may have a Corvette exhaust manifold. Looks like you have a piece of nostalgia on that old 'bolt. you say what? corvette?  i can take a picture and put it up here for you guys to see? | | | | | Joined: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | Don't be sad, that's a good motor and you can make it look a lot like a 216 if you want, but it will serve you well. You can get dual everything for this motor, only factory dual exhaust was for the '53 and 54 Corvette 235s. Check out www.patricksantiquecars.com online catalog, lots of good info on your motor as well as add on speed goodies. Best of luck Jim | | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | You can host pictures on a site like photobucket, and then post a link to the picture here. | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | well theres some pictures pleas chime in if you know anything
bout it | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | also found this number on the exhaust
gm 3835587 i think | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | | | | | | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Sorry I can't tell anything about the exhaust on your photos (off 90 degrees) and hard to look at. I can only see one exhaust pipe outlet but too hard for me to tell.
The "848" head is slightly higher compression and therefore is thought to be desirable. Valve sizes are the same as a std 235 head however so it's something I don't understand unless that heads has lumps. You may have a pretty good engine there. Someone will know for sure. | | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | I can see the two pipes, but I can't tell you anything. I'll bet with more pics, someone will know something! | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | i`ll get better pics tomorrow if any one have a picture of a
corvette manifold i can see if its similar aswell? | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | | | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | Pow~! That sure looks like Chally's set up. | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | Chally's casting number is not the same as the one in the webshots link
His vacuum port looks different also.
Very nice set up he has
| | | | | Joined: Mar 2008 Posts: 1,775 'Bolter | | 'Bolter Joined: Mar 2008 Posts: 1,775 | I saw a 235 with the Corvette exhaust and a vintage Offy intake go for stupid money at an auction a few years ago. The engine was seized beyond belief too. Good find Chally! | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | hhmmmm the area where the stamping number is doesnt look the same on the corvette intake its kinda curvy but on mine its more like a straight edge... i`ll get some better detail pics up later today thank you all for the help
Last edited by chally; 03/21/2012 7:56 AM.
| | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | clifford has a nice 4 barrel intake that works very well from what I have heard, I know I'm putting one on my truck. | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | | | | | | Joined: Jun 2005 Posts: 388 Shop Shark | | Shop Shark Joined: Jun 2005 Posts: 388 | It looks as if Chally has a split exhaust manifold, not a Corvette six.
Hoyt | | | | | Joined: Oct 2011 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 51 | i didnt think i had a corvette six and i dont think the
dual exhaust looks like the corvett manifold either....
so moving along im going for a dual carb setup on this so
what manifold will go best with the exhaust manifold
offenhauser, fenton or others?
any thougts are welcome
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