hello all. i am building a 25/30vvt. itis a largish set upwith gt3540 forgies and scat rods. now i am looking to rev this thing to around 8500 at the track(strip) and i wish to build the head to suit these revs.i was originally looking seriously at tomei poncams as they seem a very good camshaft.
my question is are these the best cams for my application? should i look at the procams?also what springs should i use as i am a bit worried about the stock ones at high rpm.another thing, will the hydraulic lifters survive at these revs or should i go solids?
any help would be much appreciated guys