Quote:
Originally Posted by Jay S
The pumping compression sounds about right to me for that combo. (Stan’s numbers on the next post look good. )
It is going to run good with 150 lbs of compression, I kind of doubt you have the cam install wrong.
The lifters could be too tight and cause power loss.
I rather doubt the cam is the problem, unless the cam went flat on break in on a couple cylinders that have not been check yet.
Does it have a tach? If it does where are you shifting at? How bad does it run? Can’t get out of it’s own way sounds like it has a massive issue somewhere.
Is it W72 car with 3.23 or 3.42s? Dual 2.25” exhaust and log manifolds, qjet and stock intake?
Been parked awhile? Bad gas? Fuel sock on the tank partially plugged from being parked?
To hot of spark plugs? Often a bigger cam drops the heat range at least 1, sometimes 2.
Does it have full timing? Stock dizzy? Chinese junk? What all got changed? 18* sounds like to much advance. If it takes that much timing to run good it could be a issue in the distributer.
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It has the stock distributor uncurved as of yet, I set the timing to 18 deg as a starting point per the emissions sticker on the core support.