Harms Rebuilt '71 Thermoquad - Wondering Idle, Stalls when Put in Gear

SLOPAR72 said

Low vacuum. I would do a compression and if that shows good and your willing to put in the work do a leak down. If they show good then you need to make sure everything is in order on the timing side and "then" I would look at the intake. If it has a power brake booster cap that off FYI and recheck vacuum.....

JW

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JW - Everything was capped or plugged when tuning including Booster and PCV. When you say timing, do you mean ignition timing or cam to crank timing? I assume ignition. I'm running 17 degrees initial with 35 all in by 3000rpms but I tried everything from 6 degrees initial to 22 degrees initial. 17 degrees gave me best vacuum and throttle response.