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Old 06-15-2018, 09:04 PM   #2
bill3rail
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Join Date: Jul 2013
Location: LI, NY 11801
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Re: Found the manifold leak, but....

Those pressures are all within a few pounds of each other, I would not worry about those.

My untrained ears cannot hear a knock however, it does sound like your exhaust is leaking.

Bill
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