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| | | Forums66 Topics128,093 Posts1,056,154 Members48,436 | | 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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | I was talking to my dentist today and he seems to recall his parents had a 58 GMC with a pontiac V8?
| | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | That is correct, GMC used various Olds and Pontiac engines in their trucks, some with a few less cu. in. than their car counterparts.
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: Jun 2011 Posts: 1,901 Shop Shark | | Shop Shark Joined: Jun 2011 Posts: 1,901 | Everyone remembers it that way unless they had an l6.
Give me ambiguity
or give me something else
| | | | | Joined: Mar 2010 Posts: 10,280 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,280 | 336 cubic inch Pontiac engine in '58/'59.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Guys, from 1955 to 59 American GMC trucks up to and including the 500 series were powered by Pontiac V8s or GMC inline sixes, above the 500 series the power was either an Oldsmobile V8 or GMC inline six engine, hope that clarifies. | | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | well there ya have it. thanks guys.
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