how much power can you find was a question posed a moment ago. There's only limits based on how wild you wanna get and how attached you are to 2V heads. 4V heads lift the limits into orbit.
On a 2V if you can move the tq peak out far enough with cams and intake and major head porting (like to 4800rpm) you could see in excess of 350rwhp and as much as 425rwtq or more. More reasonable numbers are in the 300-315hp and 360-400tq and that requires really very little to acheive. As soon as Saleen drops some 262's in his ride he'll eclipse 300rwhp and probably shoot up to 380tq or better.
With a supercharger/turbo on ported 2V heads you'll be in realistic territory up to 500-550rwhp, then you start needing more head flow or the boost pressure is just too high for streetability. Torque numbers up there are well over 600 and major drivetrain upgrades should be contemplated seriously.
Add a little nitrous and they become unbelievably brutal motors. I found a guy on the corral that's running a setup much like mine will be so I PM'd him for some experience notes on what kind of NA power he was seeing at 10.5:1 compression with cams. We'll see.
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