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Originally Posted by weirdstyles.net
Try to be more descriptive of the running condition. Let see if we cant pin point this...
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Bear with me here...
The head gasket was just replaced not too long ago. I have new ARP head studs in there, torqued to spec. The timing chain is set on the proper mating marks, although when the timing light is put to it, it is not exactly dead on - another indication of a milled down head, i hear. The spark plugs are covered with carbon deposits even though the car has only idled since the head gasket install. The running condition is as follows: Starts right up, runs extremely choppy and sounds somewhat like a muffled lawn mower. When revved up, the timing changes because it is a VVT, and when the rpms start climbing well above idle, the choppiness subsides. The compression numbers were at about 145-150 across the board. Please keep asking questions about the situation so I can help you help me...This beast is about a year over-do to be on the road and about 17 grand over budget!
Thanks In Advance,
Ryan
P.S. - here are the engine mods just in case you need them to help narrow things down: z32 mafs, 740cc injectors, z32 fuel pump/filter, JWT ecu, 264 cams, stock compression head gasket, greddy valve springs, gt2871r turbo, hks manifold, koyo radiator, 3-3.75 inches all the way back w/ straight pipe, apex'i intake.