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first year of 454?
Does anyone know what year the 454 was introduced in the 1 ton pickups? I am looking at '71 GMC c/30 dually flatbed. From the pics it looks to be in excellent shape and the man said it runs like a top. I am currently working 7-12s on nightshift and the truck is about 6 hours away so I can't get there to look at it. It has a 454 and he says he doesn't believe its the factory engine and neither do I. I'm sure someoe on here knows the year it came out.
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