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Is it just me, or does it seem like a detonation issue with the plugs going bad like that??? I ran some champion plugs in my 7M that did that, but only with the tuner did something stupid. Regarding the GT40R, I'm on 1.5JZ with huge cams and fully ported head with a GT40R/1.06. I get full...

I actually couldn't believe how you posted the CORRECT information, with excellent references and they still blow it off.

I guess nobody knows. We're going to plug it up k tanks :)

Curious, but lately when I have wheel spin I will hit fuel cut at 7000 rpms, not the 7600rpms I have set in the stinger. When reviewing the log, it appears the stinger is recording 7600rpm like it should be for the rev limit. Is anyone else having issues with the Stock Toyota Tach being just...

Searching is cool too.

what's the dwell set for on the MSD?

Um, just a question fellow supra guru's... On the 2JGE head one issue we're having is deciding whether or not it would be wise to get rid of the exhaust side coolant recirc to the water pump. I think it will work fine with that port plugged up, but I want to make sure before I go ahead with...

http://www.floridasupras.com/wiring-electrical/669-1jz-gte-ecu-pinout.html

I'm using a GT40R with the divided 1.06 housing and I LOOOOOOOOVE it. 440whp at 13.5PSI with slight creep at 7K to 14.xxPSI, it never stops pulling all the way to 7.5K on my 1.5JZ.

The iridiums just did not work well, even when they were gapped to .25. I run the NGK coppers at .27, and they run great. I just got off the dyno myself, and one of the issues we had was a miss in the upper RPM which looks remarkably like what you're experiencing, but it was only one dip...

1JZ w/single issue IMO. A 2JGE block with a stock TT HG should fix that.

If your cams are set to spec per the cam card, then I would just leave it alone. My crower 272 large core exhaust cam HAD to be adjusted per the cam card in order to run correctly on my motor. Maybe it's just a large core issue, but setting the cams is a good thing. I do NOT like the original...

:: badger ::

x 2 But then there's engine management, injectors, lines, and all that shit :) The 1J is probably going to be the easiest. Going single right off the bat (while the motor is out) is win.

Glad more people are becoming aware of it.

The GT40R with the 1.06 is an excellent turbo, fun street turbo. I love the way it sounds. Hope you find out what's wrong. I have tried some iridiums, and they just didn't cut it.

Me too :) Your ignition should be okay at 15PSI, I think it's just your dwell.

Mine's 3.5

What kind of power are you making at around 9-11 PSI? Can you post some sheets?

Do you have a resistor pack wired in? You're going to blow your ECU up again if you have not already. This is guessing that you are using a stock 1J ECU. I ran my car on it's initial startup with high imp. stock injectors with a resistor pack and stock 1J ECU. This is the only wrong way to...