Thread: Dad's 1979 GMC Heavy Half Transformation
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Old 10-11-2018, 05:39 PM   #443
BigDooley77
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Re: Dad's 1979 GMC Heavy Half Transformation
I used raptor on my bed as well very simple to use.

love this build
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1977 GMC Sierra Classic CCDW. 454 worked 781s, 277/287, Lift .502/.501 LS 114, Dual plane intake, Dana 70 (4.10) and 4L80e (HD2 kit).

http://67-72chevytrucks.com/vboard/s...63#post8361863
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