i know of someone making 300rwkw's on a 2.2 with a 20v head at 1 bar on a 3076 running t3 .63, so you should make your goal very easy
Originally Posted by
ashtonsser im gonna be doing the same setup on mine excpet i will have a lightly ported and polished head with 1mm bigger intake and exhaust valves, port matched intake manifold and i will be using the gtir mani and turbo w 520cc injectors @ 4 bar with probably a calum realtime ecu, i have a calum basic but im thinking to just go with a realtime so i can dyno tune it to be very very reliable. i will only push 10psi on it at most and hope to make around close to 300whp, i will be only reving to 8000 rpms as i have stock cams.
It should make very good power and have a hell of a powerband as well.
if you are planing to go turbo go +1in +2 ex the ve ex valves are only 6mm so going +1mm on the ex brings it back to standard det specs
i was too cheap on my build and just kept the standard valves, however i did do a crap load of porting on the ex and left the intake alone. 260 cfm of flow is plenty for turbo.
Originally Posted by
lonewolf have seen posts about N1's having too much overlap for a boosted application, is this a valid point?
the problem imo is not just the overlap, but the lack of overlap on the low lobes, which means you cant tune it out with cam gears.
a nice amount of overlap for high lobes imo would be 30degs, however even the 20ve cams have 48deg and 0 overlap on the low lobes, so you cant just retard the intake and advance the ex.
now if i am not mistaken the n1 intake opens 40deg btdc and the ex closes 34 atdc giving 74deg of overlap although i have read the n1s have 78deg of overlap so maybe its 38deg. either way its a lot of overlap, and to be running those cams you are going to want very little restriction on the ex side. so imo do not run these cams with a gtir t28....simple, but if you have a gt42 in the shed and a long runner high flowing manifold...well you can maybe run them
also n1's low overlap is 0 makinbg it difficult to tune out the overlap with gears. Therefore these cams are worth more to sell to someone with an na, just put up a post swap for standard 20ve's plus cash your way, the extracash will be worth it
does anyone have the 20v cam specs? ie when the open etc? i would like to know if you can tune out the overlap