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Old 09-10-2015, 06:28 PM   #1
tommy217xxx
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Join Date: Oct 2014
Location: mi
Posts: 359
motor question

Hey everyone, I have 76 gmc and I had a question about the motor. The guy I got it from said he thought it had a 400 b/c It had a balanced flywheel. Does this sound right? Was a 400an option in these trucks? Is there any way by lookin at the motor to tell if it's a 400 or a 350?

Thanks for any advice. I don't know a ton about trucks and motors but I've been reading and learning as much as I can.
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76 gmc 1500 swb patina finish
Dropped 4/5, 350/4 speed

80 Chevy c10 lwb
305/350
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