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Old 03-14-2019, 05:47 AM   #420
OKGMC4
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Join Date: Oct 2009
Location: Broken Arrow, OK
Posts: 1,220
Re: Yet another GMC build

Thanks guys. I think the chrome version might have looked even better but the Hypershot gray wheels will be pretty much zero work to maintain. Nothing looks worse than a chrome wheel when it starts pitting and peeling.

On my 4L60E it's supposed to have the hardened sun shell, better clutches, shift kit, etc. My confidence was undermined when after the initial install I had no reverse. They fixed it no problem. Then it started shifting super hard. Like, shot gun going off, feels like running the frame up on a curb hard. They said a check ball was in the wrong place and something in the valve body needed adjustment. Then the truck had erratic shifting and started bucking like a stick shift if you slow down but don't push in the clutch. Was starting to get really frustrated. I read that a faulty throttle position sensor can do that so I put on another one but I'll tell ya...when the old one came off there was actually milky condensation and oil behind it! Seems to be running and shifting better now. Have my fingers crossed!
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56 GMC BUILD THREAD:
http://67-72chevytrucks.com/vboard/s...d.php?t=368649

69 long bed Chevy turned 67 gmc jimmy roadster:
https://67-72chevytrucks.com/vboard/...d.php?t=851167

Last edited by OKGMC4; 03-14-2019 at 07:14 AM. Reason: Two “the”, one removed
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