How much compression do I have?

[Sweet5ltr]

Okay, I don't have the vital statistics for the pistons; but they are flush with the deck. Have large valve reliefs. Was told the short block had 10:1 with 213 Cast Iron heads (unsure of factory CC rating) by Carolina Machine Engines. 'Installed performer RPM heads (88cc) and a .590MP mechanical camshaft that was installed 'dot to dot' and we didn't advance or retard the camshaft. Engine has a cranking pressure of 180-182PSI. Thanks for your input.

 

[Budnicks]

try this site below, they have some very useful calculators, you can get pretty close.... www.wallaceracing.com/Calculator.htm

 

[lewtot184]

9.95:1 with .030 overbore, .040 head gasket, 5cc valve relief volume.

 

[Sweet5ltr]

That's about what I was looking for, anywhere between 10:1-10:5:1. I know the cam should have 12:5.1 but this is mainly a street car and I drive it nearly every day, even in the rain.

 

[RustyRatRod]

That's about what I was looking for, anywhere between 10:1-10:5:1. I know the cam should have 12:5.1 but this is mainly a street car and I drive it nearly every day, even in the rain.

I bet it's fun too. You still enjoying it? When I get my Coronet goin we're gonna have to meet up somewhere.

 

[Sweet5ltr]

Yeah actually just went out to Ocala, FL for Don Garlits Mopar show this past weekend in my Z06 Corvette (100 mile trip one way). Installed a 'new to me' Harwood fuel cell with SS blackwood machining pan, 100GPH electric fuel pump (additional), Mallory regulator, Moroso switch panel, MSD-2 Step, and quite a bit of other goodies. Also cleaned up all my factory wiring and soldered connections throughout the car. Only issue we are having is the car wont crank with more than 32* timing in our distributor since we locked it out and I am sure we are losing a good deal of power. Going to purchase another factory distributor and work with it and see how things go. Engine needs around 20* initial and 36-38* total.

 

[theman440]

...hopefully enough to make the engine run!