MoparHonda
Well-Known Member
What is the expected idle vacuum for a 440 six barrel? My car idles at 900 rpm, although the idle is rough.
I'm showing 7 lbs vacuum at idle, the vacuum jumps to the 18 range as soon as I open the throttle. It momentarily goes over 20 when I release the throttle.
I'm showing 7 lbs vacuum at idle, the vacuum jumps to the 18 range as soon as I open the throttle. It momentarily goes over 20 when I release the throttle.