Rb26 Gt-ss Turbos - When Should Boost Kick In?
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By Dose Pipe Sutututu · Posted
If you have a RB25DET NEO AWD motor, you will need this: https://www.hioctanedirect.com/ASR-RB26-RWD-Street-Comp-6.5L-Sump-Suit-R32/33/34-and-VL It is made for the AWD motor, but makes it fit a RWD setup and gives you a new pickup. Just one thing, the pickup sits quite forward, compared to a conventional RB25DET RWD motor. This may or may not have contributed to my previous AWD -> RWD shitting the bed at the track. -
My car is also flex tuned. It's worth mentioning it (the LS1 ECU) has a 1D table for E85 addition and just uses the ethanol stoich part as the second point of reference. It also as a 3D timing map for Ethanol adjustment. You would think this isn't enough but it works pretty damn well. That said, I wouldn't want it in turbo application. It's like lifting non-natty, or taking meth. It gets you unrealistic results that break down more things going forward. If people used it to make the same amount of power they do on 98 then it'd be one thing. But people use it, crank it up to eleventy million PSI, it doesn't knock - but it pushes the point of failure to another, more expensive thing to break. Every time I see someone make 280kw on 98 and 350kw on E85 on the same equipment I just cry a bit and really wish they would just stay on 98 in that exact scenario. It's bad for you. -
This is kind of what I was thinking but the temp sender wire and the two pressure switch wires run through the starter subharnes and I eliminated the two pressure switch wires completely. @GTSBoy I have a can gauge with unusually bright warnings should the oil pressure fall so the factory light isn't needed. I need to dig out my wiring diagram and see if I can sort this out. -
It's a valid point. And it is doable with the Nistune. But I'm not inclined to flex it the way Nistune does - certainly not on a Neo ECU. They're already pernickety enough to tune just one one fuel. And of course, I'm not that interested in putting in a Link or similar, on a daily. With the stock ECU, stock looking turbo, etc etc, I still stand a chance of surviving a run-in with the plod. Last time it went over the pits (which was for the transplant, for because of a run-in with the plod), the Nistuned ECU did not even raise an eyebrow. They want to see a stock ECU running the engine, and they are happy to see it do so without the check engine light** on. Never mind that the Nistune is necessary to make the stock ECU work in a different chassis without ABS, TCS, etc. **And they actually provoke the CEL to come on by disconnecting the AFM, to prove that the globe hasn't been pulled! -
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