Actually, something like 4-5 years ago I had ordered a fidanza flywheel and they messed up when making a batch and mislabled a bunch of 240sx flywheels as 2g awd dsm flywheels.
Needless to say, it didn't fit.
On my 2g with a walbro 450, I had to drill out the siphon to get the fuel pressure down, but then I had some weird lean condition with boost. When testing, the afpr seemed to be rising with boost pressure. Someone on the link boards told me he had the same issue and increasing his return line...
I'd check for boost leaks and proper wastegate operation regardless of anything else. That blow off valve looks kinda knock off and like it could potentially be leaking also. Are you sure its rpm limited to 6k or are you talking about fuel cut? Does it feel like you hit a brick wall at 6k rpm or...
IIRC, there have been at least a few people doing "900+" on link. In my opinion, why not just run it since you have it already and if for some reason it doesn't meet or reach your goals, then you can look into alternatives? Knowing how power is made, there is no magic horsepower number shutoff...
How long does it stay rich? Are you sure it just isn't your wideband sensor warming up? The engine will stay in open loop for a while as well when warming up to operating temps...
Well since these pumps are so cheap, I went ahead and ordered one. So now I have a few options. Will prob swap the high pressure one in, and keep the boost a pump handy. Eventually will prob do a dual pumper setup with both 450s.
Well going by that chart and that raceworks calculator, @13.5v it will be enough for 600hp, but I'm more worried about whp. It also starts dropping off dramatically after what would be 36psi for me (43.5 base fuel pressure).
Ok, so it will support the power but will it support 40lbs of boost? I have fic 2150s and the walbro 450 is rewired, but Ive heard that the 450 doesnt do well over 35psi. The reason why I asked about the boost a pump is because I already have one, and I think installing that would probably be...