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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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| | | Forums66 Topics126,777 Posts1,039,270 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Jan 2010 Posts: 113 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2010 Posts: 113 | Hi, I tried the search feature with little luck. Maybe better key words....... I have a rebuilt 6 that I know little about. Anyone know the size, type of low-end bearings, Oils to use? Pros or Cons? I'm willing to hear anything about them. I'm not new to flatheads just new to GMC...
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | I'm not sure, but I believe that engine is actually an Oldsmobile, used by GMC in some of their trucks that year. Try cross-referencing to Olds engines of similar vintage.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Before '38 or '39 GMC used Olds and Pontiac motors. I'm not the one to offer any details of these motors because I don't know them, but if it's a flat head it's definitely not a GMC motor.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Nov 2001 Posts: 481 Shop Shark | | Shop Shark Joined: Nov 2001 Posts: 481 | The 1936 GMC T-14 used an Oldsmobile 213 cubic inch flat head six cylinder engine. For particulars you might inquire at www.oldgmctrucks.com
Last edited by Rusty46; 02/03/2010 11:26 PM.
| | | | | Joined: Jan 2010 Posts: 113 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2010 Posts: 113 | Wow! thanks...... Olds huh. It will be interesting to see if they recammed it, or did any thing else or just jammed a car engine in a 1 1/2 truck. I follow the lead you guys gave me. | | | | | Joined: Mar 2003 Posts: 294 'Bolter | | 'Bolter Joined: Mar 2003 Posts: 294 | Sent you an email with engine specs attached. | | | | | Joined: Jan 2008 Posts: 227 Shop Shark | | Shop Shark Joined: Jan 2008 Posts: 227 | KC......engine in question will be a PONTIAC being a Flathead.
36 and on grew bigger in cubes upwards of 234's etc.
Shared between GMC, Pontiac etc for a few years. | | |
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