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  1. JPsToyota

    1JZ exhaust valve material?

    I just took the valvetrain apart on my 1JZ, as I am giving the motor a once over. I'm just wondering what some of the head materials are made out of, especially the exhaust valves. I was using a magnet to take the valves out, I found out the exhaust valves are not magnetic. Are the intake...
  2. JPsToyota

    How much 1JZ vibration at 1600rpm, Help me out

    I've been doing a clutch install for awhile now, I've disassembled and installed a few times now looking for this vibration and out of balance feeling. Last night after torquing, sealing, greaseing everything back up to perfection again, I thought I had it licked when I started it and it...
  3. JPsToyota

    Clutch Install Problem - Vibration/Unbalance

    Car is 88 Supra with 1JZ and R154. Background - I've got an ACT HD Pressure Plate and an HPF Bronze 6-puck unsprung clutch disk that I am replacing my stock clutch/PP with. I had the flywheel machined by one of the best shops in FL with the correct step, they took care of the flywheel...
  4. JPsToyota

    Stuck Upper Balljoint

    Well here I sit with a stuck front upper balljoint. I'm working on my drivers side, trying to put some ES bushings on my arms. I've got the control arms propped up in a neutral postion, I've got a three arm puller maxed out of the stud, I've hit it the arm with an air chisel with a socket...
  5. JPsToyota

    Problem - Auto Aristo ECU running Man. 1JZ

    I wonder if anyone else on here is running a manual 1JZ with an automatic Aristo ECU? I bought an 88' MKIII with this setup (and inherited all of the past owners problems and shortcuts of course hah) and have a problem that I just can't seem to solve or find any information on. The engine...