I have a Gunstram I want to try myself.
It's a stock block 455(464)
KRE alumimum heads CNC ported
UD solid flat tappet cam 249/259 @ .050
Presently runing dual AFB 750's on a Offie intake..
Just wondering how much I would loose on bottom end response/power..if any ??
Also want to go to 2" primary tubes on headers,,if I can find a set !!
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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..
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