I built my mild 440 in my 63 with parts I had that seemed to match up ok. If you punch in my just over 3700 lbs and my 116.84 mph it comes out to right about 500 flywheel hp. My 440 is basically a stock shortblock with KB quench dome pistons for open chamber heads. I used the KB pistons with the quench pad so I could get the quench pad within .042 of my cyl head for good quench. I run it at 10.0 comp using the 906 heads I ported and it runs fine on 92 pump with 36 to 38 total timing. With Eddy or Stealth heads you should definetly make more hp then my combo and I would run more like 10.5 to 11.0 comp with the aluminum heads. It would depend on the cam I used for the exact comp I would run but the aluminum heads can run about a 1/2 to 1 point more comp and still use 92 pump with the right build. But as stated the quench is very important. You could have 11.0 comp with quench and no ping and then have 9.5 comp on iron heads without quench and it might ping. You can click the link to see the build on my 63 but remember I am on a tight budget so I used alot of parts I already had. Ron

http://www.1962to1965mopar.ornocar.com/mmo82008.html

Last edited by 383man; 01/16/09 05:28 PM.