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Old 05-18-2015, 10:09 PM   #30
marvgarr68
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Join Date: Jun 2013
Location: kingman az
Posts: 573
Re: 77 gmc c35 dually 4-53t detroit

I drive it everyday. I have 9 vehicles and I only drive this one. I just filled up today haven't got fuel for over a week held a whole 23.00 dollars. I need to get a video but with two sticks its a little hard to hold a camera. I put in some 9a90 injectors it had 5a60 injectors in it. It is a lot more fun to drive it plain hauls butt gets better mpg and a lot less throttle is needed to get moving or stay moving. If you don't watch the go pedal and get a little to far in it no one behind you can see where they are going.
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1976 k20, 350 built, 44/14 axles
1968 c10 6.5 turbo diesel,t5 trans
1977 gmc c3500 dually, crew, 4-53t, 5&3 trans
http://67-72chevytrucks.com/vboard/s...d.php?t=591188
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