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We are running ID2000 cc injectors at the moment, making 815 whp on E85, So, Yes, it is possible to use 1250cc on that box.(must use high impedance injectors or a resistor box for low impedance injectors) The AEM box will work on Aristo harness with out a problem. Use an AEM 3.5 bar map sensor...

No they are not JUN Valves. I went through one of my friends in Japan that is currently employed at Top Secret and we went direct to a manufacturer in Japan. I would try to do it here in the states but I much rather sell good quality engine internals, I don't want these parts failing and coming...

With current exchange rate, the valve are 750.00 US. That's for intake and exhaust 1mm over sized. shipping is a little extra. We can also get bronze guides. none of these parts are available in the US.

Stock 1JZ and 2JZ valves don't like upgraded valve springs, after a wile the stem stretches and head of the valve has an umbrella effect. Picture an umbrella fully open and you force it past the stop it opens all the way over. The same thing happens to a stock valve with heat and higher spring...

I think detonation, played a role here.

Your problem has nothing to do with the neutral safety switch. Look into fuel or ignition.

I hope you have bigger injectors. Stock the engine doesnt have enough fuel to keep it self alive for long at that boost level.

As long as you keep the boost at or below stock levels you can use a factory ecu to run any turbo kit. By now you should have cleaned the injectors and run a bigger/better fuel pump them the stock one in the car. FPR is not really needed, we hold the stock twins RWHP record on stock TT fuel pump...

Do a leakdown, best way to know for sure.

They are 4AGE bolts. ^ He is right. Use red loctite. Do not use the ARP lube. Torque it to 75 ft lbs.

I think I should make a sticky on VVTi on the Kaizen section. Still a lot of wrong info on it. As far as picking the "built 7M" for time Attack, not the best choice. The VVTi 1jz would make the best setup. It's peak torque with stock engine is under 3,000 RPM, it has better response then a 2jz...

That is not a cooler.

coolant temp sensor? sensors adds or takes fuel out, also plays with timing. If sensor is bad or not plugged in, car will run bad or not run at all.

You can add spacers or just buy new bolts. It's a no brainer!

Rodel, I can't wait till we get the ball rolling on this. I'm buying a new welder just to make sexier welds. This Version of your car will be the best one (kaizen way). BTW I didn't even know this thread was here. I will help you add more content!

SC400 is a hydro fan.

The AEM That we used was the Honda box. Its a great unit but it cant park the Iddle motor as it doesn't have that circuit build in. All JZ engines use a Stepper motor and the Honda box can't control the Main relay like the Toyota ECU does to park it in the right spot. We have now switch to...

Why don't you give Aaron a call? He will support his product.

Never had a chance to make my site. If it was up it would just be a blog style site that would give you an opportunity to check out our projects and maybe sell a few items. We don't tend to ship parts to customers as much, because most of the time customers ship there cars to us. The new...

I think you called me a few days ago. I left you a voice mail tonight. give me a call, I will be in the shop late tonight.