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#714644 - Sun Jan 23 2011 11:44 PM GMC 6 cyl engine 503? 426? found in junkyard- help
c Jason Barnett Offline
Wrench Fetcher
Registered: Mon Oct 30 2006 12:00 PM
Posts: 63
Loc: Galena Park, TEXAS!
I just bought a giant GMC 6 cylinder engine. I'm not sure what it is. the block number is 2191202. It has a rebuild tag from 1954. The block has a date code of F-?-3 (1943?) I think it could be a 426. I want to rebuild it or at least get it running. I need help figuring out what I have and where I can find parts.
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#714652 - Mon Jan 24 2011 12:44 AM Re: GMC 6 cyl engine 503? 426? found in junkyard- help [Re: c Jason Barnett]
webstershotrods Offline
Shop Shark
Registered: Thu Apr 29 2010 12:46 AM
Posts: 619
Loc: Temple ,TX
Here's a little info not all what you asked for but a start.

The 426 GMC inline 6 appeared in 1940s 4x4 Cab Over Engine (COE) trucks made in Pontiac, MI. It also appeared in large GMC trucks in the 1950s.
[edit] 503

The 503 GMC inline 6 was more numerous than the 426 inline 6, but beginning and ending dates are unknown. The GMC 630 Series of the early 1950s offered the 503ci inline 6 engine.



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#714661 - Mon Jan 24 2011 02:34 AM Re: GMC 6 cyl engine 503? 426? found in junkyard- help [Re: webstershotrods]
webstershotrods Offline
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#714663 - Mon Jan 24 2011 02:38 AM Re: GMC 6 cyl engine 503? 426? found in junkyard- help [Re: webstershotrods]
webstershotrods Offline
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