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also check you belt and tesioner they are big factors in the alts giving low voltage.
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GM Goodwrench Tech - GM Certified
1991 Pontiac Grand Prix GTP - 3.4L DOHC , 5 Speed Manual Transmission , Turbonetics 62mm turbo, Turbonectics Evolution Wastegate , Turbonetics Raptor BOV , Large Front Mount Intercooler , AEM Methanol Injection , Car is running at 11PSI currently with methanol injection.
Runs 13.4 In the 1/4 with a 3 second 60 foot -
Actually, I think the auto cars have the easier time with alt. changes over the manual cars. I changed the alt in the 92 about 6 weeks ago. I did have to drop the right side of the sub-frame where as I didn't on the 91 when it was an auto (don't I always go a different route then most?) instead of the rear. I also had to remove the mounting brackets and heat shield for the intermediate shaft (manual only). I pulled the passenger side axle on both cars though.-60v6's 2nd Jon M.
91 Black Lumina Z34-5 speed
92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
94 Red Ford Ranger 2WD-5 speed
Originally posted by Jay Leno
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I have the exact same problem.Comment
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