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Classic Z turbine wheels for sale


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I just bought a timing light from Sears. It is the inductive pickup with the advance dial. I painted the notch on the pulley. What number (degrees) am I trying to line this up with on the timing scale for a 75 280Z. The manual says 7 degrees BTDC. That was new with no miles. The engine now has 150k plus. Also, am I supposed to dial in the desired number of degrees on my timing gun to match what I want on the timing scale before I adjust the distributor? Or do I leave the gun set at zero? The car runs, idles, and revs strong while parked but has no power when I drive it and it backfires through the AFM when I try to accelerate along with hesitation and choppy idle like a Big block Chevy. Car has NEW vacuum hoses, AFM, throttle switch, elec. fuel pump, fuel filter, and PCV. Thanks for your input.

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