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Old 08-02-2011, 11:20 AM   #1
thirdstreettito
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Gmc 630ci i6

http://wilmington.craigslist.org/cto/2485584691.html

Sweet! I want it!
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2004 Black GTO LS2/T56 too much to list

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Old 08-02-2011, 03:17 PM   #2
T Hilde
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Re: Gmc 630ci i6

I'd bet 630 is the series number of the truck.
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Old 08-02-2011, 03:23 PM   #3
dwcsr
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Re: Gmc 630ci i6

Quote:
Originally Posted by T Hilde View Post
I'd bet 630 is the series number of the truck.
Yes its a GMC model 630 not a 630 CI engine. Its most likely a 302 CI
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Old 08-02-2011, 03:43 PM   #4
Lextech
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Re: Gmc 630ci i6

A warmed up 302 GMC with about a 76mm turbo would mess some people up!!

Jeff
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Old 08-02-2011, 05:00 PM   #5
thirdstreettito
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Re: Gmc 630ci i6

I just read this on wikipedia

http://en.wikipedia.org/wiki/GMC_Straight-6_engine#503

Quote:
The 503 GMC inline six was more numerous than the 426 inline six, but beginning and ending dates are unknown. The GMC 630 Series of the early 1950s offered the 503 CID inline six engine.
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Old 08-02-2011, 05:55 PM   #6
dwcsr
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Re: Gmc 630ci i6

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Originally Posted by thirdstreettito View Post
might be a 503.
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