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Also, when it comes to HP and Reliability, it REALLY depends on your use case. And you have to be honest. You also need to remember there's basically 0% chance of a reliable, 600HP RB25 that is doing 1 track day a month for multiple years. If you're cruising around on a twisty road and spend a cumulative 15 seconds of full throttle use a month, your definition of reliable will change drastically. -
Well the obvious solution for that sort of power level is a G30-660 or similar (assuming you're talking engine HP and not some bullshit wheel HP, otherwise you'd probably be looking at a -770). Then you just need fuel pump, injectors, management, consideration of oil system upgrade and engine breathing control, clutch, diff, and brake upgrades, big intercooler, money put aside for breakages to all of the driveline components, and so on. You don't need the plenum change - it will hurt street performance. (Yes, it will make more power, and yes it looks "better", for a given definition of "better", but that's no reason to change things IMO). It will cost you torque at the bottom end. This is a standard weekend build here in Oz, for one of these. The secret sauce is in fitting enough engine protection sensors and setting the ECU up to use them so that you don't trash the engine the second something goes wrong. Oil pressure, oil temperature, coolant pressure, EGT, are all good things for that. -
By Cummins-907 · Posted
It's a 98 R34 sedan with 51,XXX km on the clock extremely clean no valve train noise and not a single issue with it. I'm just looking for some more power and dress up the engine bay a bit so it looks more presentable. Antilag was an idea for quick spool but I don't want to ruin it so I won't go that route -
Surely the ECCs relay is still involved in getting the Haltech fired up. Don't just probe wires and wonder. Actually inspect the wiring - where it goes, where it came from, and try to work out what the installer has done. That's assuming you bought it like this and don't have the original installer available. Otherwise, ask them.
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If it's an R34 it's definitely a Neo. If it's an R33 (were there any '98 33s?) then it's definitely an S2. There is no chance that it is an S1. Don't do anti-lag. These things are getting to be as rare as hen's teeth. The days of being able to grenade a motor and just pick up another from the wrecker for $1000 are so far gone here in Australia that every wanker that ever did it is regretting doing it now.
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