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2JZ engine What's It Worth? Where To Get One?

Soulja
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Secoh Contributor

Secoh

Posted
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the 3.0L twin turbo 2JZGTE motor is possibly the best engineered inline six built to date that is affordable. It has probably the best power to capacity ratio of any of the six cylinders available today, and are also a damn reliable bit of gear.

there is also a lot of jap aftermarket support for them too (which is not necessarily a good thing considering not all the jap spank makes things go faster).

All the RB26 fans will be in here in 1/4 of a second to defend the nissan stuff, so it boils down to you researching all the options yourself and deciding what is the best for you. an RB will always be an easier conversion into a skyline for example, but last time I priced an RB26 GTR motor it was twice the price of a 2J. :)

mtam22 Contributor

mtam22

Posted
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I own a mkiv TT and a 32 GTR and I can tell you from experience that the Supra engine wins hands down. Torque from the 2JZ is enormous from 2,000rpm and pulls like a freight engine to 6,000rpm. It flats out after that. The stock RB26 doesn't pull untill well past 3,500rpm and my modded one doesn't move until after 5,500 rpm. As a daily street machine, a BPU++ Supra eats anything in its path.

mtam22 Contributor

mtam22

Posted
Posted

Then you lose the 4wd. Believe it or not, one of the Japanese tuning house has stuck a RB26 under a Supra hood and is racing the mutant with some success.

To give credit where credit is due, its relatively easy to spin the RB26 past 9k but doing even just 8k with a Supra will be much harder because of its long stroke design. The 6 speed has also got much shorter ratios meaning that if you're racing a GTR from a rolling start, when you shift from 2nd to 3rd, the guy next to you is right smack in the power band pulling a car length or two on you before your 3rd shift is complete. That's assuming both cars have similar power of course.

Champinco Community Regular

Champinco

Posted
Posted

out of curiosity...my mate has a supra rz engine (i think its called), standard non-turbo supra. can he or is it possible for him to put a turbo in? i mean i know its possible but he seems to think that all he has to do is get the turbo and put it in (and only spend money on the turbo and installation-a couple of grand he rekons.). i thought that u would need a 2jz engine to cater for the turbo, or different wiring and along with the other shit to get it from a non-turbo to turbo.

mtam22 Contributor

mtam22

Posted
Posted

Apart from different ECU, wiring, and different compression ratios you also can't just bolt the turbo manifolds to the NA block but I can't remember exactly what's the technical reason. The block is also different as there are oil squirters in the turbo models to cool the underside of the pistons. The NA block don't have this feature.

Ask your friend to check out www.mkiv.com. There's loads of info on mkiv and conversions. "Easiest" (and that's a relative term) way is to put in a 2JZGTE with harness, computer and the 6 speed but the conversion cost is not cheap. Economically, it might be cheaper for your friend to sell his NA and buy a turbo. Also check out the SX Engineering's website. I think they are developing a turbo kit specifically for NA Supras. Hope that helps.

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