Yes that cam is underutilizing the money you have sunk into those heads.
I see this all too often with the builds that folks post about in this street section.
That .470” lift is just starting to get into the lift range where the added flow capacity of aftermarket heads ( even just out of the box) start to shine.
As far as my thinking goes goes any after market head should be run with a minimum of .525” lift .
Your .470” lift is sacrificing ( due to low port air speed) a lot of added torque you could be having the motor producing, and probably a minimum of an added 25 hp.
The added port air speed would make a day and night difference in throttle response feel.
In short your heads are like a fire hose with a glass of water passing thru it, there’s only minimal port energy taking place..
As I look back thru this crazy 6 year long string of post, of which at least 50% of them should have been posted up in the body work section I see where in post 158 where you fell into the trap of having your heads ported and opening your wallet even wider for that port energy reducing mod in terms of the cam you are now running.
So to recap,
You paid for more air flow then you are now using and not using that air flow capacity is costing you power .
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
Last edited by steve25; 02-02-2025 at 07:52 AM.
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