Rb25 Turbo Upgrade, All Dyno Results
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Hey to anyone that reads this, long time lurker first time posting, sorry if it’s been answered before but I’ve been looking for nearly a year now for answers. ive got a 25det neo in an r32 that works awesome when it works (made 500whp on 21psi) but works 45% of the time, 1st issue there’s a harness that runs under the passengers side front fender that my tire keeps rubbing through and one wire seems to power the fuel pump even though I’ve done the relay “mod” some people like to call it, and when it does rub through it kills the car, yes next time I’m with the car I want to take the fender off and try tuck the harness well out of the way but I’d also like to try and by pass this mysterious wire as well lol, also wouldn’t mind getting power from the alternator as I’ve read it supplies the pump with 13v ? But no idea where to run the power wire too. 2nd issue, when replacing my fuel pump and fuel hanger I managed to break the factory fuel level sender leaving me with no fuel gauge, I’d like to buy the fpg fuel level sender for r32/s13 but the plug it comes with confuses me, I’ve got a detschwerks x1 fuel hanger which has light + pump - level + pump + and a ground, I’m no auto sparky but I’m wondering if I can cut the plug off the fuel level sender and wire the negative to the pump negative and wire the positive to the level positive to get a fuel gauge back ?🥴 3rd and final issue, the reason I want a fuel gauge is because whenever it’s below half a tank, it fuel starves like crazy and runs like a bag of shit even without doing a pull or sloshing the fuel round in the tank, I’d also like to fix this but have no idea what’s causing it, I’ve got a dw420 and a dead head fuel setup meaning the fuel is regulated before it gets to the engine, my only theory is that the return line is to close to the pickup on the pump and when it’s at half a tank the return line is causing the pump to cavitate enough to cause fuel pressure issues, that or the pump isn’t low enough in the tank which I would find strange considering I can’t find a single thing online about it, also if ya wondering how I figured out it happens at half a tank without a fuel gauge, I waited until it started happening and went and filled up and the car took exactly 30 litres every time I tested it, if ya managed to read through this mess I appreciate that and any recommendations , cheers -
By joshuaho96 · Posted
ChatGPT is trash and lies about things I would not expect it to lie about considering many things it's wrong about are very easily verified with google. The S3 R33 GTR shares its steering wheel with R33 GTSTs of the same production year. Part number is 48430-26U17. I'm guessing you have to get it from a car that came with HICAS though, the ER33 is 48430-26U18, but the HR33 diagrams note that part number is still leather vs 48430-26U13 which is not leather-wrapped. They all use the same airbags, so if you need another one you can get it off basically any same year R33 or Stagea. -
By Dose Pipe Sutututu · Posted
I'm going to run hard lines front to back in the future. That should help dissipate a bit more heat. If not, a fuel cooler might be next -
No. The mark is with respect to the cam rotation. None of those things have altered it. When stationary, the cam position stays in sync with the crank position. It doesn't matter if you moved the head 4 feet up. Hence, that mark needs to stay exactly where it is. -
Toasty! I was around the same. Around 50 but with a fuel cooler. Got my tuner to dial down the pumps and its so much better.. i think last time I drove it was around 35-40 during summer. PWM makes a huge diff. I have the 1 PWM controller running my feeds.
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