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440... went 10.99 on cleaned up stealths , 10.88 with CNC stealths...
So, a tenth is all you saw from the CNC job? I'd have been scratching my head raw wondering why the extra CFM didn't translate into a bigger gain.
I thought the same thing when I read that. I'd hope for more out of $1000. But I think what it tells you is that the weakest link is somewhere else in the combo.
My 451 has OTB stealth heads, with the only mods being the valve-springs and retainers. My car is not a racecar; its a pump-gas, full weight street car with 3.91 gears. It has gone 11.81 @ 113, but I know there's plenty left to find. I'm sure that even just a good competition valve-job and a quick clean-up of the ports would be worth quite a bit. For what they cost, I couldn't be more happy with my investment in the Stealth heads.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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