Dave Bisschop's Stump Puller hydraulic roller cam was popular.
230/236 dur @ .050" lift .590"/.592" lift with 1.52 ratio rockers 112 lobe sep
"In a recent dyno test this cam installed in a 464ci engine with 9.5 to 1 compression, a set of our 250-260cfm CNC ported #11 cast iron heads,
CNC ported cast iron Q-jet intake and a prepped Q-jet carb made 503hp and 575+ lb/ft of torque on 91 octane."
SD Performance revised Stump Puller:
Part number 51-000-11
Grind number: P8 3194B / 3196B HR112+5
281 / 287
230 / 236
.3890 / .3910
112.0 LSA / 107 ICL
His old Stump Puller mentioned above used lobes 311B and 3122B / note it has less valve lift
If Dave is not available both can be ordered custom with any Comp Cams dealer.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
Last edited by Steve C.; 11-28-2024 at 02:16 PM.
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