I fired it up , then moved it a small amount to 31-32 dwell, then after warming up to temp i adjusted distributor timing to get max vacuum, about 14-16 , then backed it down a bit . It measured 20 initial. I then attacked the idle mixture screws(2) for best vacuum. Gained 1-2 inch of vacuum. checked 02 sensor, and it was 11.5 or so. I leaned it out to about 13.2 at idle. So time for a test drive to feel raw power of points action.
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane
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