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I have been told that the Vortech SC that is included in the RMM kit is good for 700hp or more unfortuantely the design of the kit doesnt allow you turn up the boost high enough to make that kind of hp Also as an FYI after being Supercharged and turboed, I to prefer the Supercharger.

Here is the current setup 1. Engine A. Rebuilt motor. a. Forged Ross Low compression Pistons, 8.5:1 with .020 overbore b. 440 CC injectors c. Walbro 255 Fuel Pump d. FAL Low profile fans (1.5” thick) e. Greddy Catch...

No I followed you, but from the people I talk to no one really cares one way or the other about the engineering aspects of the system. The issue of efficiency never comes up on the street. It seems to be an aspect of the debate that is only relevant on the Internet. Guys want fast cars, they...

I dissagree, the guys I know that ditched the RMM SC for a turbo setup did it because the RMM system could not give them the power they wanted. It wont work over 11 psi or so

turbonetcis T62-1

do you have a wideband? you dont need a dyno to check it out.

So let me ask you this. is a headgasket replacemnt straightforward? do you just pull the valve covers pull the heads and then lay down the new gaskets?

No no problems with loss of coolant and no over heating symptoms. I'm thinking that the fuel pressure was increased at some point. Put the car on a lift, no visbile signes of oil leakage under neath. The exhaust has no oily residue and the intake didnt have that much oil in it from the turbo...

yea both sides were done. The oil loss may be unrelated but I dont see anythihg in the radiator. It could be as simple as someone increased the fpr when they put it back together.

isnt there something that the car is close to detonation now adays with the knock sensors allowing it to operate just short of detonation and constantly pullilng timing? So the computer routinely retards timing to eliminate detonation. If you run higher octane I belive the computer is no...

Well I drove about 1000 miles since the replacement so the ECU has probably normalized as much as it is going to and I never got any steam, just overheating. But thanks for the ideas. Now I have bigger problems, it looks like all my oil is going somewhere.

Maybe somebody here can help me with this. I have a turbo GS400 8.5:1 forged pistons. I had been putting down just under 500rwhp prior to my bhg. At the time I had dialed in all the extra fuel that my system would allow me to, basically I was at +50% on my SAFC. I had a BHG due to...

I had the same setup and ran 10psi okay

Yes the rods could be an issue in the post 98 1uz, I'm glad I lucked up with a 98 which had the thcker rods. That last rod is a beast, driving a car that actuallytook advantage of the extra strength would be a bit too much for me. Heck 500 hp is pushing it for me.:Eyecrazy:

Crap, thats not what I wanted to hear! Now I'm getting nervous all over again about the rods and there HP abillity. I have the pistons handled but now I am second guessing the rod hp ability. I can run at 500 rwhp which I am guessing is around 600fwhp, that might stress those skinny little...

THe one on the far left is the 98 right arent the inner two from a GS430? THat one on the far right I have no idea about. But my thought is more that the pistons will be issues before the rods. spefiically the ring lands, which seem to fail around 400 rwhp on the 1uz vvti

I dont think you will be able to do much without a way to tune the fuel at least. Anything over 5 psi or so is going to make the stock ecu have fits. You could run a piggyback to help tune. Or I suppose you could try to do some rudimentary tuning with a PSI regulator, I wouldnt though.

I guess I was thnking rwhp the magic number seems to be around 400rwhp from what I have expereinced and what I hear back from the others that are using the same 1uz vvt engine. From my experence the boost to get to 500 rwhp is goig to be more than you want to run with the stock high...

forget about the FI issue the thing you need to look into is your engine. The stock engine is not likely to handle that much HP, Neither is the stock tranny

I dont want to jack the thread but we did a complete rebuild on the engine and put 8.5:1 forged pistons in it.