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Was the engine warmed or cold when it was low idle and stalled? That’s normal for a cold motor.
Warm the car and set the idle screws equal at 800 rpms (or higher to keep it running) Then using the 123 tuning app add or subtract 1-2 degrees to increase and smooth the idle. You can’t save the curve while tuning, once you know what adjustments are desired turn the car off and then edit the curve (or make a new curve file) and write it to the 123.
What size chokes vents are in the PMO’s?
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78’ SC 911 Targa - 3.2SS, PMO 46, M&K 2/2 1 5/8” HEADERS, 123 DIST, PORTERFIELD R4-S PADS, KR75 CAMS, REBEL RACING BUSHINGS, KONI CLASSICS
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