Quote:

Quote:

Alright-you see I knew I would get a decent answer! Ok now how would you build it? Im will be installing 2.14/1.88 valves and a bowl blend would be in good order too! And the rest of the engine...


How stout of a motor are you looking for?
What car you dumping it in?

Mine is 915's and runs well. Idles well. Would do well in a street car(I street drive mine)

Home ported 915's with STOCK valve size. fairly mild, but massaged.
440 .030 over with 6 pack slugs
10.6:1 comp
242 @ 50 hydrualic racer brown cam
1.6/1.5 combo roller rockers
eddy rpm manifold
750 mighty demon
3400 stall 9" converter
373 gears.
junkyard headers
3" exhaust back to the flowmasters, and 2.5" tail pipes after that
mopar electronic distributor, with aftermarket fbo ign box
Holley blue pump with 1/2" supply line to dual feed -6 lines from the reg to the carb.

As it sits now, my best pass is in the sig line. The car was a little lighter a few years back(added a dana and a second battery) so it was as fast as 11.70 then(still the same motor, converter, etc). Still over 3800 pounds even then.

FWIW, I ran the same motor with a set of 452's that I ported(in the same way the 915's are), and stock rockers, and it was 7 tenths slower.




My mild 440 is very close to Dave's build here but I run a .557 solid cam and I use 906 heads with KB quench pad pistons. These pistons have a flat pad that goes up into the combustion chamber. Not for a raise in comp but to get the piston closer to the head for quench. I run 10.0 comp and I did some port work on my 906's. I also run 4.30's with 30" tires and I drive it everywhere including to the track. My best is 11.52 in my 3700 lb 63 Sport Fury.

But if I had the closed chamber 915's I would use them over 906's as they work better using a flattop piston at zero deck to get great quench. Definetly use the 915's. Ron