Hi everyone me and my brother have been out trying to set the air and fuel up on his series 2 turbo with cosworth management it seems to be getting better and running a little better but still having problems, it wont rev past 4000 rpm sounds like its missfireing but still pulls.

 

Are you actually mapping it? What are you using to change the maps?

What changes did you make to get it better?

 

no we aint mapping just got our innovate lm2 air/fuel monitor plumbed in when we first took it out and on full boost the gauge was in the 17s then we turned the fuel pressure reg in half a turn and turned the screw in the ecu and we managed to get the reading down to 14s. But the car seems to run better when it gets hot then when cools it starts missing again any ideas? Thanks

 

get it booked in to a tuner mate, unless you know what your doing it isnt worth messing with, could end up with a big bang

 

As above. Get it mapped by a tuner. Do you actually know what fuel pressure it is running now you have played with it?

 

Ul never learn anythink by just takin it to ppl to get sorted, i havnt checked the fuel pressure yet, not be able to until i get to work, shud be about 3bar or just over, its not that thats my problem it when it hits 4000rpm it sounds lik its missing and dosnt pull but sumtims when it hot it pulls past 4000rpm.

 

littlebram, it is extremely complicated and involved LOADS of factors. the reason people are saying what they are is that you have demonstrated that you don't yet understand them, and its not the sort of thing you can just get advise on over the internet.

you NEED the car properly set up and mapped. you DO NOT have the tools to do this even if you had the knowledge

sorry if this sounds c*ntish, but its the truth