High-comp 2JZ turbo?

[JustenGT8]

700hp flywheel would be a chanllenge on 98 fuel....maybe doable with 100....definitely doable with available race fuel.

I'm at 540rwhp so what is that? ballpark 600-650hp flywheel? That's on 17psi.

I reckon you might just sneak it in. Having said that 700hp with the power curve you will have will be totally impractical for the street but i assume you want for track eh.

So, i'd run the best pump fuel you can for street and be happy with a killer 500hp flywheel.

Have the track ECU map ready to go with super juice and crazy boost.

You'd have to have a crack with the stock 10:1 1st. If it toasts itself then some mild chamber work and a slightly thicker steel HG will see you right. Based on what this increasingly popular conversion is doing and my own UZ experience i think it's well worth persuing.

[1JZ.747]

ask roccos performance.
9 sec passes from memory on stock 2jzge long motors.

yea, on methanol and it a chassis weighing about 900kg

methanol gave it safety but it didnt last that long and no has a fully built engine.

[Norbie]

You'd have to have a crack with the stock 10:1 1st. If it toasts itself then some mild chamber work and a slightly thicker steel HG will see you right. Based on what this increasingly popular conversion is doing and my own UZ experience i think it's well worth persuing.

Yes your 1UZ experience is what made me think of the high-comp idea. Ordinarily I'd say it's silly to run that much compression and boost, but you've shown everyone it can be done and the results speak for themselves.

This car will remain a streeter but will see a bit of track work. Scary power curves don't bother me, that's what throttle control is for! And let's face it the car will be off boost most of the time on the street, and with a 10:1 3 litre engine it will get along just fine. I actually drove the car last night with a popped intercooler hose so it was effectively NA and it was by no means slow... although admittedly I've been driving a 2t luxo-barge for the last 6 months so my perceptions may have been altered somewhat.

Anyway you're right, I should give it a go and see what happens. Worst case scenario I'll blow up a cheap GE bottom end, and I've still got the GTE bottom end which can be rebuilt!

[The Witzl]

I should give it a go and see what happens. Worst case scenario I'll blow up a cheap GE bottom end, and I've still got the GTE bottom end which can be rebuilt!

t o y m o d s !

I think you are onto something here. I didnt realise just how cheap NA 2JZ's are until i just had a look around.... and yeah I agree that it's definitely worth a shot.

I know it's hardly a true comparison, but my 4A-GTE was a stock NA engine with a turbo on the side - that was 10.5:1 compression. It ran really really well, was damn quick off the mark, and still fun to drive off boost. Sure there was only moderate boost levels (10psi), but it was plenty quick enough. The engine survived too

[sw20r]

the workshop that built my 3SGTE has a 12 second internally stock supra. From memory all it has is ecu + bolt on turbo its about 2 years old and still going

[Norbie]

I already have a 12 second Supra with stock internals, you don't even need an aftermarket turbo or ECU to do it!

[sw20r]

Im talking about an - N/a Supra no decompression was used or internals changed/swapped at all.

When I drop by ill speak to him and take a picture of the spec sheet that was used

[Norbie]

OK cool. There are lots of NA-T Supras getting around these days, I've yet to see anyone do it with a TT head though.

[mux]

Norbie Do it! Do it!

[Norbie]

LOL still lots of research to do before I commit to anything, price being the biggest factor; depending on what needs to be done it might make more sense to buy a set of high-comp forgies and rebuild my TT bottom end.

Can anyone recommend a good source of 2JZ-GE engines? Lots of importers do GTE's but I haven't found a GE yet.

[Mr DOHC]

ask power torque, hes the guy who "specialises" in them, he'd know where to get some.

ebay

[gianttomato]

LOL still lots of research to do before I commit to anything, price being the biggest factor; depending on what needs to be done it might make more sense to buy a set of high-comp forgies and rebuild my TT bottom end.

Can anyone recommend a good source of 2JZ-GE engines? Lots of importers do GTE's but I haven't found a GE yet.

My garage. About 7 of them.

That said, I'd just spend some coin and refresh what you've got. Plop in some decent internals and make use of that GT35. So much good stuff on ebay for world's easiest engine to buy aftermarket goodies for and you want to muck around with a hybrid? Really, Norbie, I thought you were more sensible.

It's not quite as easy as just swapping the head over - there are a pile of little things that need to be swapped over. IMHO, WOFTAM.

[1JZ-Rolla]

Do you really want to run the show with an E6K? I think there are only enough output channels to run batch fired injectors, and waste spark ignition

[The Real Roadrunner]

its doable and you know you want to.
if your throwing cams in you may find when you dial the cams in that changing the overlap may reduce the chance of it pinging. id say with a decent tune you could will get the figures you want the only question is for how long.
forgies aren't always necesary just make sure you dont ping it.
i have 2 na2j's lying around and if you need me to rip a head off for cc figures just say the word.
cheers
linden

[gianttomato]

The volume in the head is 42 mL, similar to the turbo head.