Michael,
Quote: Mark is your 914/6 car the one prepped by
PR.
Yes, the yellow one.
Qoute: I think Ryan also got caught with the reg change on Alum cases and had to build a new motor. I heard he is doing it again.
Yes - dropped a valve in Adelaide
IMO, a 2.2S running in standard spec should be a good combination. The way I see it (and to get this thread back on its original track) is what can be done to a 2.2S within the regs above
A 2.2S is already well optimised. You might get higher compression by messing with deck heights etc but I doubt there's much in it as it's already 9.8:1
The valves and ports are already comparatively large - probably the biggest restriction on getting it to suck more air are the throttle body diameters which cannot be altered under (ix), although others with more knowledge than me might want to comment?
Cam profiles are probably the biggest item of potential gain - this list is your friend
In the final analysis, you might get 190-195hp without going to the expense of boat-tailing, Nickies, knife-edging etc (which the gurus on this list consider pretty much worthless for most engines anyway).
Just MHO - best of luck with your project.
Mark
914/6 2.7