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Could someone kindly measure the overall thickness of the JZ fan/ clutch assembly? From the mounting surface to furthest point of the clutch AND fan, if different. Overall fan diameter would be helpful too. Is it the same mounting pattern/ overall size as a 7M? Any difference between GE and...

I'm wondering if I should raise the temp on my 1J. The stock t-stat opens at about 180 F, I have a controller for my electric fans,and I set them up to cool at 185. When running it stays dead on 185 all the time. Will there be a performance or fuel economy difference if I raise the temp...

I just wanted to thank the contributors of this forum. While I do not own a Supra, I have gained invaluable JZ knowledge in great part to some of you guys and the guys over at Supraforums! My crazy project would never of happened if I had nowhere to turn for answers. I set up a quick...

Hi, First post here as you can see, I usually search to find what I need...but I hope someone can provide some help... first a little background since I'm a newb here... I have been working on my 1jz 4runner for well over a year now, and I just got her started the other day. This is my first...