Search found 2 matches
- Tue May 19, 2015 8:40 am
- Forum: Type 3/4/5
- Topic: Re-size injector problem
- Replies: 3
- Views: 1665
Re: Re-size injector problem
I have come to the conclusion that the problem is fuel pressure. Having brought a cheap and nasty fuel pressure regulator from Ebay, I think it is not working properly. When I block the vacuum line I get no change in pressure. What pressure should the fuel be at for 480cc (448cc) S15 injectors? I lo...
- Fri May 15, 2015 11:32 am
- Forum: Type 3/4/5
- Topic: Re-size injector problem
- Replies: 3
- Views: 1665
Re-size injector problem
Hi, I have an RB25 with a Nistune in an ZX300 ECU, with a MAP supplied from Nistune. When I resize the injectors from 370cc to 480cc the K constant goes from 286 to 177. The car wont run on this untill I bump up the K constant to 420, then I have to pull it down to 385 to get it to idle at 14.7 AFR....