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05-08-2014, 10:28 PM | #11 |
Registered User
Join Date: Oct 2013
Location: Saluda, SC
Posts: 1,276
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Re: 1987 GMC V1500 Sierra Classic LS swap/build
Actually after some reading. It may be starting out in 3rd gear. Rpms were crazy low and wouldnt pull itself up a small embankment. If I drop it all the way down in 1st manually it does downshift but may only be going to 2nd. So I may be in limp mode... Need to investigate some stuff.
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