Quote:
Originally Posted by Kodename47
Really?? I'm no where near 35%.... much closer to the stock settings TBH. As I run a Sprintex I can confirm 35% port ratio is very conservative for pump fuel. Perhaps for E85 and systems that provide higher boost, that's worth a go but otherwise I'd take the higher rate of DI any day. At stock % you still get more port injected fuel to help the mixture.
|
i tuned mine (hks v2 unrestricted, only E5 fuel pump) to have basically a fixed 5.8-5.9ms of DI during the entire pull till redline, so until very high rpm PI ratio is also quite low
But from around 6800 i need to increase to around 35%, because i'm reaching 6ms DI, around 5v of maf and PI is at max around 15.5-16ms
I think steve wanted to say that 35% is around the max PI usage you can use when full boost with stock injectors
if 35% is not enough and car leans out is definitely time for bigger injectors