I have the Tiger mod on my heads and checked compression(cold) today to see if I need to pull top end....
Lowest cylinder was 180 and highest was 185. There is 80 passes on them at close to 15-1 CR...
Well worth the price!!
Thanks Glen...
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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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