General > Past L-E Projects
Initial D 4th Stage comments... - Archive Topic (Locked)
JC:
Super Euro Beat from what my mp3s here say (God I wish they were mp4s :/)
Hellbent: At the moment my car is almost completely stock, making about 110rwhp with an RB30E... I need another $3,000.00 or so and I'll have about 230rwhp :P *And no, it's not a bloody turbo!*
Just the downside of the mods is that I have to run premium unleaded else the engine will ping and run like crap... BP Ultimate + Octate booster = 100 octate (Our working out method), which is the same octate content as AVGAS (Airplane fuel >:) )
CooBlueDAB:
you have to use 100 octane fuel? holy @$%# what kind of compression will you be running? only people I know using that high of detonation resistance are draggers and rich people lol...
chichin0:
Some "import" engines (such as the RB30) handle higher octanes and ask for more. Especially since he says its not turbo charged, the compression cant be that high. I believe Japan has a higher octane of gas, there was discussion about this a few pages back but i couldnt glean a diffinitive answer out of what they were saying.
JC:
Compression ratio will be 10.5:1... Who said I need a turbo for high compression ratioes? :P
This is a tempoary power boost untill I can afford the supercharger, which with the right pistons and everything else will bring me to about 500rwhp... Possibly more
If anyone's curious to know, I'm creating an RB30DE, getting a second RB30E (For about AU$400.00 from a wreckers), and an RB25DE from an R32 GTS 2.5 (The R33 GTS model has Variable Cam Timing, and requires more block modification, while the R32 one lines up perfectly, a simple bolt on mod).
If I left it at that, it would be an 8.3:1 compression ratio, perfect for turbo/super charging, but being as an N/A car, it'll run like crap... Thus I'm putting the RB25DE pistons in, and running a 10.5:1 compression ratio, with my 2990CCs capacity still, and the advantage of DOHC >:)
I have also considered just getting the RB25DE pistons, and an RB26DETT head, as all that is different from that is the stud holes, needing to be bored out a little more, but that's basically it.
Other things I'll need to do is source the oil pump from the RB25DE and get a new timing belt, as neither belt will be long enough (RB25DE belt will be about 11 teeth short from memory)
So all in all, I'm at about a grand at the moment on this, then there's the manual conversion with a GMH VL Commodore (Never released in the US) turbo manual gearbox (Made by Nissan!), and the ECU out of the R32 GTR... 2 1/2 inch exhaust stuff... Not much change from AU$3,000.00!
If anyone's interested in what I'm doing, when I get started I might put stuff up on the web about it :)
CooBlueDAB:
oh you dont need 100 for that... maybe 91 if that... but not 100 by any means.
As for Japan having higher octane, they dont really.... they Do have a different measuring system, and do have available at the pump one level higher octane fuel than we do in actuality, but it is not that different.
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