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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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#56415 02/12/2006 11:57 PM | Joined: Aug 2001 Posts: 2 Junior Member | | Junior Member Joined: Aug 2001 Posts: 2 | About ready to see if my 1941 GMC C.O.E. K-18C, model-CF 351, 1 1/2 Ton 248 engine is "stuck". It has been inop since 1963, reason unknown. The 248 Engine is serial no. 24821530. If the GMC is history I have a 1956 Chev 235 serial 3836848 (PG). Will I need an adapter? Will the bell housings, flywheel, clutch interchange?
Bill | | |
#56416 02/13/2006 12:21 AM | Joined: Aug 2001 Posts: 2 Junior Member | | Junior Member Joined: Aug 2001 Posts: 2 | May have found my answer in Patrick's catalog. It says, "...Its another story but the fronts and rears of every Chevy '6' are also the same as every GMC "small" '6' (228, '236, '248..." Any comments on advisability of the swap or further advice?
Bill | | |
#56417 02/13/2006 12:48 AM | Joined: Nov 2002 Posts: 59 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Nov 2002 Posts: 59 | The 1941 GMC has a 4 bolt flywheel to crankshaft mount. The 1956 235 has a 6 bolt flywheel. You need a flywheel from a 1954 or earlier 235 if you are going to retain the 6 volt starter. It needs to be from a 3/4 ton or larger for the flywheel to be drilled for the larger clutch. | | |
#56418 02/13/2006 2:17 PM | Joined: Mar 2005 Posts: 170 Member | | Member Joined: Mar 2005 Posts: 170 | I recently put a '55 235 into my 1940 GMC. I wrote up a few lessons learned here: 1940 GMC 235 engine swap Steve | | |
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