So heres the Idea to get me to the 500rwhp mark I've currently got an R34 GTt with its internally standard RB25 Neo.
It has head work, cams, gears, greddy plenum, e85 1000cc IDs, Link G4 PnP, e-boost2, SS coilpacks, FMIC, oil cooler & walbro 255. Twin Plate Exedy already done too. It still has the standard turbo & as such i'm not seeing power past the 190rwkw mark. (I'm okay with this for now).
My next major mod is to consider the turbo setup.
I'm thinking GTX3582r.
But here's the catch. I'm wondering if anyone has thought of using the stock manifold, (port matched & polished to get the most out of it) & gone straight out of the turbo, across the head & into the throttle body using a water/meth injection kit as the cooling aid instead of an intercooler. My reasoning being, is that I've successfully installed the water meth kit on my Nissan Patrol (DIESEL) & the difference it made to operation, intake & EG temperatures was unreal! The intake temperature alone dropped 40 degrees C
Also there is the benefits that the methanol brings to the table as well, slower, cooler & more complete burn allowing more timing & less chance of detonation. Also using a turbo as big as a GTX3582r with only a foot or so of intercooler piping would be like running a 3076 with a FMIC in terms of how it would spool up. So it would give me the benefits of running a larger frame turbo (high volume, low pressure, lower outlet temps) whilst utilising the response otherwise seen in the smaller frame. It also would yield a bigger power band as it would come onto boost much sooner & yet not run out of puff up top like the smaller frame turbo.
Also using the stock manifold would aid in low end torque response.
The removal of all that intercooler piping is also a weight redistibution that would be moved from the front & installed in the rear of the car in the form of a water tank, pump & assorted control gear. SO!!!! Who wants to help me with the "Why" & "Why Not"s of this setup.
Also let me remove the most controversial Why Not. Water Meth injection is legal as long as the two parts don't exceed 50/50 concentrations as after this point the mixture has to high a volatility & meth being what it is then becomes a problem.
For the noobs out there, Water injection doesn't create a hydro-lock as the water volume to fuel ratio is very low, atomised & turns to steam before it has the ability to do damage.
This is a Genuine Idea people so lets not shot it out of the water yet
Thanks
Nick
Plans down the track for a Tomei 2.8l stroker kit too