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Jul 21st, 2025 | | | | Joined: Apr 2005 Posts: 242 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 242 | Have a chance to buy a 235 1955 GMC motor was told it is 2" longer than the 216 that is in there now will it fit without a lot of screwing around? And can some of the parts from the 216 work on the GMC motor? Any help would be great. Thanks!!! 1-262-392-2989 or mribbich@wi.rr.com
Marv. | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | GMC never had a 235, 228 was the smallest, full oil pressure engine. SN stamped on machined pad behind distributor starts with displacement, I. e. 228xxxx. GMC should bolt right up to your Chevy bell housing, etc. GMC engines up to 302 will all look the same.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| | | | | Joined: Apr 2010 Posts: 232 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 232 | Eagle, Wisconsin hmm?? Maybe Canadian GMC 235 ?? | | | | | Joined: Dec 2008 Posts: 1,915 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 1,915 | Easy L6 ID:
Chevrolet 216, 235, 261 has 2 engine block core plugs on the left (driver's) side
Chevrolet 194, 215, 230, 250, 292 has 3
GMC 228, 236, 248, 256, 270, 302 has 5 | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Eagle, Wisconsin hmm?? Maybe Canadian GMC 235 ?? Not if 228xxxx is in the Engine Serial Number? 228 cubic inches | | | | | Joined: Apr 2005 Posts: 242 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 242 | The other number I got from the guy was F248310356G. I still need to know is a GMC motor longer than a Chevy 216 block by how much. Thanks!!!
Marv.
Last edited by marvin ribbich; 10/20/2021 8:29 PM.
| | | | | Joined: Apr 2005 Posts: 7,442 Bolter | | Bolter Joined: Apr 2005 Posts: 7,442 | The F248 will be a GMC Engine. Yes, GMC engines are about 2” longer than Chevys. It will require moving the radiator forward.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
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