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Old May 7th, 2013, 02:37 AM
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Cayoterun Cayoterun is offline
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Join Date: Jan 2013
Location: Guymon, Ok.
Truck: GMC V12 powered '46 Chevy pu
Age: 84
Posts: 167
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Default Re: Cool article I just ran across about the GMC engines

There is a mis-print near the end of the article, where it mentioned the V-12. It states the V-12 shared several internal parts with the 305. That's incorrect. It shares the internal parts with the 351. 351 X 2 = 702. Also, gross torque 630 @ 2400 and SAE gross hp 275 @ 2400rpm. I looked in my original service manual to make sure this is right.

Interesting article, I'd like to see and drive one of the new up-dated 305s. That little motor is putting out almost as much as the 12s. I'm sure it's a lot more fuel effecient, too. Amazing of what the automotive engineering has done the last 47 yrs.

Thanks for posting.
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Cayoterun
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I think I'll fix it myself, and pay the extra $500.

Last edited by Cayoterun; May 7th, 2013 at 03:04 AM.
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