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09-18-2003, 11:38 AM
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#5 |
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Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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Don't think its possible to reverse the polarity; the starter is internally grounded. Sounds to me like you've got bent intake valves if you're getting blow-by back into the lower intake runners. What was the compression on the rest of the cylinders?
If you've got the rockers completely off, you won't get any compression since the intake valve won't open to let any flow into the cylinder. See if you can borrow a leak-down tester from someone. Or even just hook your airhose to the spark plug hole, then back off both rockers all the way. If you've got blow-by into the intake or exhaust with the rockers all the way off, then you've got bent valves or a messed up valve job.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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