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Re: Re: vacum operated 2 speed problemsPosted by dhermesc on July 28, 2003 at 06:55:28 from (65.141.163.221): In Reply to: Re: vacum operated 2 speed problems posted by BC Mike C on July 26, 2003 at 21:32:27:
Remember you are working with an old truck with old technology. I would start by measuring how much vacuum you have before tearing into anything. Just guessing but at idle it should measure about 20 inches (just a WAG). Doesn't take much of a leak to to throw the whole thing off.
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