Thread: 1980 GMC Crew cab Dually Omaha (not mine)
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Old 03-21-2016, 10:12 PM   #10
80SPORT
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Re: 1980 GMC Crew cab Dually Omaha (not mine)
Quote:
Originally Posted by bilfman View Post
I have a 79 with a bbc 400 factory on build sheet.
It is likely the 400 small block that was available up until 1980.The only big block in trucks after 73 is a 454.
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