Good question , Ive forgotten, I think I have the diode on the 5v wire, so it advances more at high manifold pressure. I'll have to look. Makes the car run leaner in open loop and putt along at <1000 rpm.
The fuel cut off I tried by putting a relay in line at the injector fuse did not reset without turning the key off and back on again, so it didn't work..but might be OK for an automatic.
The 2000 and later saturn are the best engines, roller cams and better pistons..
I plugged the aux air port so it idles lower. You can then put a solenoid on a vacuum line to make it idles faster for warm up or like an anti-cut off switch on a manual trans..
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- Tony
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