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Originally Posted by Steve C.
Reportably the KRE 325 cfm D-ports have about 215-220 cc intake runner volume. With that big cam it will be interesting to see where the motor makes it's peak power at. Any hints from the computer program ?
With a shorter 4.125 stroke the 482 using the Edelbrock heads at a 234 cc runner volume made its peak power at 6900 rpm with a 279 at .050/.704 lift solid roller. With the new revised combo and using the bigger High-Port heads John's motor made it's peak power at a lower 7000/7100 rpm with a 285 at .050 /.850 lift roller.
(I'm trying to keep my new street 505 under 6000 rpm. Should dyno next week)
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Don't know where my Desk Top sheets are at the moment but it sems it showed a peak HP(7??) @ 7,400/7,600 RPM.
Jack has told me his predictions are about 7,000-7,300 for shift points..
It's going to be a HO tractor motor !!
Think I just graduated from "streetable" motors....
__________________
ECM member.
2008 Outlaw Pontiac Drag Series Champion
MANDRA
Do it now fool! Life is short.
69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far..
through mufflers. 1.26 60'.
Going back to track with pump gas engine....
My 60 Ventura retired to street/strip duty..