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And here I thought just reading "pressure plate side" and "flywheel side" on the clutch before installation would have worked for me. Who would have guessed they had it backward?

This is just to update you folks on what I found on the noise. We removed the transmission (l was hoping to avoid that) and found that the new ACT clutch was defective. The center spline was now "floating" in the spring hub assembly. We sent it back to Driftmotion, and are hoping the...

The clutch is a stage 4 six puck unit. I will let you know what I find once the pressure plate and clutch are removed.

We put in a new ACT clutch, pressure plate, flywheel, pilot bushing, and throwout bearing/fork into a 91 MKIII 1JZGTE motor. When the clutch is pushed in, it seems to work fine (little chatter). When the clutch is let out, there is a slight metal on metal sound, or banging. Is there an...

Yeah, They are twins. What a pain it was to take that side off for the new head gasket. Looks like a new single for this beast. Any idea the best size single to run for 4-500 HP?

We recently installed a 1JZ into a MkIII, and it developed a habit of kicking out white smoke under boost. I changed the head gasket, but it didn't seem to affect it at all. The oil looks perfect, but it does seem to lose coolant slowly. Any ideas on where it could be getting into the combustion...

Actually, it runs just fine. I am going to take off the ISCV and see if it is getting the correct voltages. You think it would be a simple stop adjustment, but I can't see any movement on the throttle body as it warms up.

The 1JZ soarer engine in the Supra has a really high idle (about 3K or more) when it is first started. Once it warms up, it idles just fine. I can't seem to find out how to adjust the cold idle setting. Any experience here?

Thanks much. That was my guess, based on the 7M engine that I pulled out. It's good to have it confirmed.

On the soarer 1JZ, there is a sensor right below the intake manifold, that has two vacuum lines going into it, and an electrical connector attached to it. On any drawings for vacuum hoses, it is signified as part 17650E. Any idea what it is for? My son broke off one of the plastic hose...

Never got the part I paid for. Looks like I am back to trying to find a 1JZ head gasket. Anyone have one? Regards

Thanks for the response. Actually, I looked at the DM site. While it looks like they have the 2JZ head gasket, the 1JZ stuff is on back order. Fortunately someone was nice enough to offer me a spare one they had for a reasonable price. Regards.

So... can the 2JZ head gasket be used on a 1JZ? It seems the OEM style head gasket and Head gasket sets are very hard to come by for the 1JZ right now.(Tsunami related?) Thanks

Thanks guys.

Just a quick question for you in the know. Does anyone know if the upper oilpan gasket on the 1JZ/2JZ a reusable type? Thanks

As a follow up issue, the 1JZ would run fine up to about 3K RPM and then backfire everytime. After doing some research, it seems the NSW and STA inputs on the Soarer ECU need to be grounded (this is an automatic ECU that went into our manual setup). Once that was done, the issue went away and it...

Just wanted to let anyone interested know what I came up with. Once I calibrated the TPS, I could get the car to start, Idle, and eventually run very poorly if I kept moving the throttle. Ended up changing out the fuel pump and filter which I was going to do anyway, but it didn't help much. Went...

I'm kinda stuck here on the troubleshooting (trying to find something out of spec.) Does anyone know what the voltages are supposed to be at the TPS wires when the key is on? (not running). I should have the fuel pressure measured today. The engine idles OK, but the second it goes off idle, it...

Just an FYI. I didn't hook up any wires back at the transmission (manual). Hope that doesn't cause a problem.

No codes.