Quote:
Originally posted by Muzzy
hey i jus got brand jus got brand new oem style pistons (9.5:1 cr)
how much boost can they handle..i know they are supposed to be weak...but these are brand new and made by top line
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what is this? they can handle the same amount as anybody else's stock pistons, maybe less since they are kinda cheapo replacements, instead of Nissan factory stuff.
In reference to the original question.
working up to what you want in stages is a good way to go. That way you don't have as much risk while you get all the bugs out of your system. I assume you are going to install the Walbro fuel pump even if you run the stock injectors. I would be carefull I have heard that the stock FPR can't handle the flow and that will make the fuel pressure raise which will cause you to run rich (not a bad thing for a turbo) However, it only causes you to run rich at idle when you aren't using much fuel, because once the injectors are using more fuel, then the FPR can keep up. Are your 370 injectors for the stock fuel rail? I would try to run those somehow. I am using a S-AFC which I picked up for $250 to lean it out a little at idle. You can sell them pretty easy when you decide to go with the JWT or you can keep it and run it on that to tune further. The eclipse intercooler should provide enough help to keep you okay, the DSM's run that one at 11psi and 200hp.
One other thing, I would look into whether or not the 370 injectors are enough for 260rwhp. I don't think they are at stock fuel pressure, you will have to look into what they will do if you raise the fuel pressure. If I were you and you were doing this in two stages, with the first being stock injectors, I would just skip right to 50lb and cobra MAF for the JWT program.