It idles at 850rpm with 9in vacuum, choppy sound but not too radical. The car weighs 3800# and it runs low 12's with 60 foot times in the 1.8's. Best to date is 12.03 @ 116. I'm working on the 60 foot times but it's not easy with a 4 speed.

1970 Road Runner 505 cid MCH CNC ported Stealth heads MP 528 camshaft 4 speed GV overdrive 11.98 @ 117 on street treads