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The weak link in the R series boxes are the 1st gear thrust washer, replace that with a chrome moly one. I did been flogging my r150f non stop for a couple months now. The w56 only lasted weeks with 250rwhp, now Ive got nearly 400rwhp.
Havoc, try the wreakers. I used a r150/151 adapter plate to 3rz bell cos i gave up trying to find a 2tr.
abit of cutting is needed
Hey Guys, thanks for all the input. I will follow that advice on if it isn't broken don't fix it. I did pickup a complete low mileage R150F with T-Case for my truck as a spare incase I do scatter something. The tranny I am not to worried about. The R154 Cousin to the R150 are getting up to 800 horsepower put through them in the Supra community. Knowing that, I am pretty sure my 500 ish horsepower 2JZGTE wont hurt it. Its the Torque more than anything that worries me. As most of you probably know. The inline 6 cylinder design produces far more torque than any V6 and most V8 engines. The 2JZGTE is certainly no slouch for Torque. It matches foot pounds of torque almost 1 to 1 in Horsepower it produces. Those of you that have never driven a 2JZGTE engine. Its hard to describe the power till you drive one. No other Toyota Engine produces quite the violent explosion of power and torque like the 2JZGTE engine does. That violent explosion of power and torque is where I think the T-Case might not hold up. My Turbo 6 Speed Supra is almost the exact same weight as my 4x4 Tacoma and it breaks the rear wheels loose at highway speeds. The Supra has a far better weight distribution than a truck and has a factory LSD. The Tacoma is much lighter in the rear and is a open diff or a lock diff depending on if you engage the E-locker. By the way. Anyone know of any faulty areas of the E-Lockers other than the engagement motor? I do need to modify the e-locker so it can be used in two wheel drive.
Good choice on the tranny but I would stop romanticizing the 2jz the way you are. It is a 3.0l Turbo 6 cylinder, nothing more.
There are old tests of it vs other turbo 6 cylinders from the day, 3000gt, RB26, Turbo M3 engine ect. The 2jz actually came in near the bottom of the pack for power per mod vs these other engines.It was also no stronger, the tests I saw were with stock blocks and the other engines made more power.
The 2jz actually doesn't flow that great or make that much power, it is just a big displacement iron block 6 cylinder that was designed for boost. Nothing more.
It is no better then other 6 cylinder turbos, and worse then many, a truly advanced turbo V6 would be the VQ38, THAT makes great power and is MANY times the engine the 2jz is. The 2jz doesn't even flow evenly between any of it's cylinders, one of the worst head port designs around when it comes to flow distribution.
Heck just turboing a run of the mill V6 will generally net you better power per PSI then a 2jz, they just might not be as strong in stock form due to not being designed for boost.
Never have understood why people think the 2jz is the god of all engines, it is an engine that can make good power and is easy to turbo but nothing that tons of other engines can't do.
A Chevy 5.3 will match the 2jz for low end NA and toss a turbo on it can it can make 700whp+ in stock form just like a 2jz with a TON more torque.
All of that said a 2jz swap is cool and I like the setup, I considered it myself at one point.
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