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#1195823 Sun Dec 18 2016 01:20 AM
Joined: Oct 2006
Posts: 1,851
Shop Shark
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: 4,520
That is correct, GMC used various Olds and Pontiac engines in their trucks, some with a few less cu. in. than their car counterparts.


'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: 1,951
Shop Shark
Everyone remembers it that way unless they had an l6.

Give me ambiguity
or give me something else
Joined: Mar 2010
Posts: 10,155
336 cubic inch Pontiac engine in '58/'59.

Joined: Nov 2005
Posts: 6,094
3B Offline
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: 1,851
Shop Shark
well there ya have it. thanks guys.

Moderated by  Phak1, Woogeroo 

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