Cams for 318's
I was thinking of a hairy street engine, but with some vintage race parts. Something like this: high CR, ported iron heads, headers and a single plane intake manifold.
Well; as to the degree of hairiness,
to me, it sorta looks like you kindof painted yourself into a corner, with the 9.61Scr,iron heads, and a hydraulic roller cam.
But, the solid roller is a step in the right direction.
at this power level the single-plain is an option.I would NOT run it with that XR274 at your CCP. I run the dual-plain AirGap, and it's pretty amazing. With it, my 367 will pull itself, down at 550/500 rpm in 10.97 First gear (manual trans), with an Ica of 66*. And it has made hundreds of pulls to 7000/7200. Maybe thousands .....
Long-tubes are a must-have.
IMO, a modern cam is a better idea. They usually; have faster ramps, more lift at the same durations, the profiles are smoother, and they are usually quieter, and last longer.
If you want hairy, push the pressure to the moon, and run an anti-detonant when required.
That was my thought when I built my combo. Why should I sacrifice all my bottom-end and a good part of my midrange with low-pressure thought I, where some 90/95% of my driving is; just to make sure the engine lives at WOT. I was fully prepared to install a water/meth injection system, in the event I miscalculated. When it ran on 87E10 (alloy heads) you can only imagine how ecstatic I was.