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Re: ****ing at high RPM
Quote:
Originally Posted by geezer#99
Modulators are adjustable. Poke a small flat bladed screwdriver in the end of the nipple and contact the pin inside. Turn the screw out 2 turns, hook the hose up and test drive.
If it gets better try another turn.
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Is that clockwise or counterclockwise?
Will that tell me if modulator is working correctly?
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1972 GMC Sierra C2500, V8-350
1986 GMC Sierra C2500, V8-454
1986 GMC Sierra C2500, V8-LS1
1986 GMC Sierra K2500, V8-350
1987 GMC Sierra R3500, V8-454
1997 GMC Sierra K2500, V8-454
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