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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: Nov 2007 Posts: 29 'Bolter | | 'Bolter Joined: Nov 2007 Posts: 29 | Question will a 1957 235 out of a truck fit in a 1939 chevy truck ? Mounts ? water pump ? fan ? Need help . Thanks Martin | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Except for the water pump and the flywheel it is almost a direct fit. You may need to drill the front plate for the front mount.
You need a 1942 or later flywheel to fit the 1957 crank.
There is also a slight issue with the exhaust manifold. 1939 head pipe dumps straight down. A 1957 235 dumps at a angle.
216 manifolds can be adapted to a 235, or change the head pipe. If you’re truck still has the splash pans between the engine and frame, this would mean the pipe will not go through the original hole for the pipe.
I usually used the 216 manifold on the conversions I did. This is best done with adapter rings in the head to accommodate for the size difference between 216 and 235 intake ports.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Nov 2007 Posts: 29 'Bolter | | 'Bolter Joined: Nov 2007 Posts: 29 | Thank you for the info . Where do you buy the adapter plate ? Martin | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Contact (private message) Pre '68 Dave | | | | | Joined: Dec 2018 Posts: 2,450 'Bolter | | 'Bolter Joined: Dec 2018 Posts: 2,450 | Pre 68 Dave Pretty sure I ground the manifold rings flush on a 235 whole manifold and it slipped on the 216 rings,still running anyway Oh 20 years later. | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | That’s the way my dad used to do it. I made my own rings on my lathe.
See the USA in your vintage Chevrolet! My Blog | | |
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