Fired it up today, started at 1000 rpm. Got it to 140 F. AFR was 14.5-15.5 not end of world. I'm like let's see these T-SLOTS. Pull it off.
Rear ended up if you can believe it . 0.020. Primary was about 0.060 choke off. Not super end of the world stuff. Good for me. I thought the rear was gonna be something ridiculous.
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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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