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Old 01-15-2008, 04:02 AM
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455Grandville 455Grandville is offline
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Join Date: May 2006
Location: The outskirts of Steelville, Mo
Posts: 1,539
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Quote:
Originally Posted by Bill Hanlon
If they did it wasn't official. I have two GMC Master Parts Books, neither of which mention 370 or 389 Pontiac engines. Some people confuse the 370" gas V8 offered in the larger (550 series and bigger) 57-59 GMC trucks as a Pontiac engine, but it was actually based on the Oldsmobile 371" V8 of the same year.
I saw a vintage Jimmy with a Olds 371, guy who restored was not sure it was original, now it sounds like it was.
Personally, I prefer a screaming Jimmy 2 stroke

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Two 1975 455 Grandvilles &
'79 455 Trans Am
‘69 Camaro SS 396/375 (owned since ‘88)
‘67 Corvette 427/435
‘23 Lexus LS500 awd
‘20 Audi R8 & ‘25 Toyota RAV4 (wife’s cars)
‘95 Ford F250 4wd 7.3 p-stroke
& countless Jeeps & off road vehicles & motorcycles