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Agreed, there is almost NOTHING on the dash that is output from the stock ECU. Name 1 thing on the dash other than the Check Engine light that the ECU is outputting to the dash? In stock setup, even the tach is NOT driven by the ECU, but rather by the igniter signal. This isn't a JZA80 we're...

Hello Boris. Jeff

Hi Kyle! Burgers and touge FTW! Jeff

The issue was present both prior to, and after replacing the engine harness. All ground points are in their stock positions, and no wiring was modified on the harness, it was put in the way it came from Toyota. I will check the air gap on the cam position sensor when I have a chance. The crank...

The harness is a brand new Toyota harness, just installed in the car. I have tried multiple settings provided to me, as well as other settings I've found myself. You can see the RPM signal on the Haltech log here: (Red line on upper graph) Jeff

I doubt Toyota would have pulled out of NUMMI had GM not done so first. Jeff

Many people (myself included) use synthetic gear oil for the diff. I've never heard of any problems related to it. Jeff

Mine cracked in this place on a stock car, without any missing bolts. It can happen to anyone. Car was never driven and the rear end was not rusty like most cars. Sucks, but it can be fixed and reinforced. Jeff

You can use a 5-speed or auto ECU if you are converting to 5-speed. I'd suggest getting an 89 harness though. The body connectors will not match up on the harness you just got either, so you're just asking for a ton more work. I'd suggest getting an 89 harness for sure, it's the best way of...

I personally wouldn't go any further than 87mm, but you may get away with 87.5mm. That being said, using a 2JZ block would make very little sense. You'd need to use longer rods which would add weight, or use custom pistons with a different wrist pin location, but that would be quite a bit of...

Brake lines are hard. Brake hoses are soft. In any case, some times jobber parts places don't hire the best and brightest. Jeff

For North America: 86.5-92 N/A: 4.30 (Open (USA Only) or LSD (USA Option, Canada Standard)) 87-88 Turbo: 3.91 LSD 89-92 Turbo: 3.73 LSD Jeff

Thread moved. These issues are not related to the 7M-GE, so it doesn't really belong in the 7M-GE technical forum. Jeff

Thread moved. While this is engine related, it is not 7M-GE specific, nor does it relate to technical discussion for that engine. You'll likely get more answers if you post threads like this in the general forum. That way people who don't check the 7M-GE forum will also answer your question. Jeff

Thread moved. This has nothing to do with the 7M-GE. Jeff

Thread moved. This had nothing to do with the 7M-GE. Jeff

The solid lifter design was Toyota's most advanced setup at the time, or at least, it was the simplest way to get the job done properly. The 4A-G, 3S-G, 1JZ, 2JZ, etc all use this design. It works very well. The 5M and 6M used hydraulic lifters, with separate cam boxes, just like the new 2010...

Then you have BSPT instead of NPT, but it does work. :) Jeff

There are quite a few Toyotas that used clutch-pack LSD's to this day, as well as Torsens. As for the newer 06+ IS, I don't believe any of them came with an LSD (I know the 2010 IS-F has a Torsen diff, but I haven't confirmed the size, it is probably too large). I will check more at work...

Yes, but I thought we were only talking about the LSD portion of it. I never mentioned actually using the IS300 ring & pinion in the Supra. In any case, you are correct. Jeff