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#1 |
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Regular
Join Date: Apr 2007
Location: Quakertown, PA
Posts: 99
![]() iTrader: 0 reviews
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Compression test results
Cylinder#1 - 152(slow), #2 - 150(slow), #3 - 180, #4 - 170, #5 - 178, #6 - 170, #7 - 170(slow), #8 - 152(slow)
Car was warm, each time i cranked it over about 4 times, 5 for the slow ones. If i was to have a bad valve, wouldn't it be like 90 compression or something? I also found a good amount of oil on the spark plug threads on #'s 3 and 4, more on 4. Car is also now throwing lean codes after i took it down the street to get gas. Do you guys think that with the new pi cams that my maf porting (removed middle shaft) which was done a couple months back could be throwing things out of wack? I also have a slight exhaust leak between midpipe and passenger manifold. I was told that the computer on my car would re-adjust the timing itself if the timing was out of wack? True? Wouldn't the computer throw a camshaft sensor or somthing if the timing was off?
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steeda tri-ax, pypes catback & o/r x, BBK shorties, K&N cai, Full PI Swap, pro-m 80mm maf, 75mm tb and c&l plenum, steeda ud's, screamin demon cp's and ford racing 9mm wires, fox 4cyl front springs 260rwhp 290rwtq |
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#2 |
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MM Fanatic
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Computer can only compensate timing so much. And it may or maynot throw a camshaft sensor code. You compression looks ok to me. As long as all cylinders are within 20% of each other. Tighten up your midpipe, or have it welded up.
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1986 Mustang GT t-top time piece! |
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#3 |
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mm's nitrous mod
2000 mustang gt
11.79@115.83 (old set up)
Join Date: Oct 2006
Location: N.W. AR
Posts: 12,430
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() iTrader: 8 reviews
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you cut the sample tube out of the maf??? if that is what you did and i read it right, that is your problem. i did that right after i got my mustang and it went to shit. i had to get a new maf housing for it. these cars have to have it to run correctly
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