healerhand

Hey Gang,

I was wondering how strong is the 1UZ block. I know the GTE is a very strong block in stock form. Anyone know how strong is the 1UZ? If we turbo 1UZ, how much power can it handle?

JAC JZS

HKS has a 1479hp 1UZ-FE(well actually the 4.3l 3UZ-FE version but basically the same engine) so if the internals are upgraded properly then the car can obviously handle big hp. Big hp reliability on that engine is yet to be seen(i.e. daily driving).

Bean

iTrader: (1)

i must step in here

several australian guys running 900-1000rwhp on stock internals

the 1uz is as overbuilt as the JZ series motors; thats why they last so long

Giro

It can take lots of power. This austrailian drag boat thing, which was running a 1uzfe with twin centrifugal blowers pusing around 700hp. However it did have some thick head gaskets to lower the compression to 7:*:* on a stock bottom end.

JAC JZS

Yeah that makes allot more sense. Bean maybe you meant those Australian cars were running the 900 hp on a stock bottom end which would apply for Supercharged cars. Turbo setups(since they run off the exhaust, not pulleys) require upgraded internals(i.e. fuel injectors, intercooler, etc...) to handle big hp.

Anthracite SC

Well..those are drag cars right?

I just want to make my everyday car have some 4 second punch! =)
and NOT NOS....

healerhand

I am thinking about supercharging my 1UZFE. I was thinking about 18-22 psi. Pushing the engine right under the limit. If the 1UZ as strong as GTE, then i can focus more on the 4.0 instead of 3.0. Hey 1UF is already 1 litter ahead already. Anyone know where i can find strong internal parts for 1UZ? i.e. Crank, rods, pistons, rings. I am thinking about working with a hi-pro specialist and create a Supercharged Kit for the 1UZ. This what i have in my mind:

Headunit: ATI P1SC -Self Contained. No oil needed, no water needed either.

Bracket: Custom made

Location: Battery site

Intercooler: yes, we can use ATI 3 core sheet metal intercooler

Ignition: MSD Dis-4

Injections: Would Supra injectors fit into 1UZ?

Fuel: Waldon 255 l/h and external pump

MAF: Stock or after market with reprogram

ECU: That is beyond area. Anyone know.

If we have a strong engine, regardless Turbo or SC, the engine will made insane power. I feel SC is more approciate for the 1UZ due to space and potential heat problems.

Bean

iTrader: (1)

stock bottom end == stock internals

they are the same thing

stock crank, pistons, rods
thats the bottom end and internals

topend is referred to as the heads and cams and sometimes the intake and exhaust manifolds

GS400_PUSHER

I agree!!!!!

healerhand

I think SC is much easier than Turbo, although SC might produce slightly less than Turbo. If i can get 700 rwhp with SC and 800 rwhp with ST or TT. I will settle with SC. If i can have my mechanic produce a SC kit, anyone interested? It will fit SC400 and LS400. As i stated earlier, the only problem we will face is ECU. Hardware is easy.

The kit i am visualizing will be clean and stock looking. With 15 psi we will double our stock hp and 30 psi we will triple our stock hp.

lex400sc

What about that 2000hps "Groundfighter", powered by a 50psi blown 1UZ-FE on mostly stock innards.

JAC JZS

Guys, I was thinking about Turbo setups which run of off the exhaust, not the Supercharger WHOOPS!

Bean

iTrader: (1)

700rwhp on a Supercharger seems kind of out there to me

thats a whole helluva lot of heat even with an intercooler and a BIG BIG BIG blower

you can do 700rwhp with a T66 or T70 turbo; the blower would be MUCH larger and probably not fit in the engine bay

Anthracite SC

Well Bean,

The swiftracing car did 700flywheels horsepower over a year ago? Just by natural progression, they should be in that 700rwhp range by now(1000hp)...if that.

Also Clint's SC300 has a T76 turbo which also will be doing 700-800rwhp and it fits in the engine bay.

I really hope that the race between Clint's sc300 and Muhammads GS400 happens one day. I would PAY to see that.

Bean

iTrader: (1)

very doubtful

I hear that SRT keeps blowing up EVERY motor they put the big blower on

there are no SRT cars running around with 700 flywheel horsepower reliably... they all blow up; thats why the setup is not available

Clint's old car made 765rwhp... this one should make a good bit more; SW runs a T72 and ran mid 9s @ 153mph; Clint has a bigger turbo

765rwhp equates to 900bhp

the race between Clint's new SC3 and Mo's GS4 would be a joke imo not that I don't like GS4s; I just don't like the idea to go against the grain for no other reason than to just go against the grain; both motors are perfect for turbocharging; and turbos are so much better than centrifugal blowers in every way
if Mo (that's his name right? never met the guy) had spent as much time on a TT kit for the 1uz as he did on a SC car; he'd have something...