Quote Originally Posted by Dermot View Post
Is it actually limiting at 5000rpm? or just revving to 5000rpm and not revving any further? Has it normal power up till 5k? Whats the spec of the car?

Its revving to 5000rpm, but wont go any further when its under a load
Power seems normal, it has fmic. s15 turbo, walbro, stainless elbow, thats about it really. Im running outa ideas big time