Turbo for 2.5L

[Chase-u]

Hey guys, i don't own a skyline, but i'm finding it hard to find out info on people having done a single turbo conversion onto a 1jz-gte toyota engine. I have a JZX90 toyota Chaser, I know it's toyota and all but i was hoping you could help me. For anyone who doesnt know it is a 2.5 litre twin cam twin turbo from factory making 206kw at 6200rpm and 362nm at 4800rpm.

I was looking at either a GT30 500hp turbo with a .82 rear housing, GT35r with a .82 rear housing or a 3040 with the .82 housing. I'm after a turbo that can give me around 1 bar of boost at around 3800-4000rpm but also give me around 280-290rwkw on 18-9psi. Can anyone tell me which one would be more suited to my car? i need it to be reaponsive, but as most people know i don't want it so responsive that it wheelspins so much that a hyundai excel could beat you. My car is an auto but is tricked up with carbon clutches, shift kit etc.

Thanks

I have a custom manifold HPC coated and also a 38mm Tial external Wastegate

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr,

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll probably

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll probably need a

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll probably need a manifold

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll probably need a manifold and a gate

[R31Nismoid]

GT30

550-600HP

best turbo for a 2.5ltr, you'll probably need a manifold and a gate also

[R31Nismoid]

wow... i click the post button once and it makes my posts appear 7 times :Oops:

[Abo Bob]

What about HKS 2835 Pro?

[MattSR]

The GT35R will do that no problems.

[teejay]

GT35R probobly be too big for that

Martin Donnon (hpi dude) was only using a t04 and was making good numbers on his 1jz

[666DAN]

where did you get the shift kit done? Local?

[R31Nismoid]

The GT35R will do that no problems.

if he wanted 330-350rwkw i'd say GT35... too big otherwise.

can be done with a smaller turbo

[RS500]

running the genuine garrett GT30R (with GT37 56 trim comp wheel) with an A/R .82 exhaust housing would be ideal in giving you the power and response you want/need.

[Chase-u]

where did you get the shift kit done? Local?

There is a place in Melbourne called MV Auto's. He is the man when it comes to doing up soarer gearbox's and he does awesome work on skyline box's as well. put it this way, i wasn't impressed with anyone in brisbane so i sent my gearbox down to melbourne to get the work done.

He did a bigger stally 2800rpm, carbon clutches on 1st and 2nd and new clutches for 3rd and 4th, fully rebuilt and a service on all solonoids, stage 1 shift kit and is rated at 370kw with a gurantee. It costs $2600 but is worth it considering they use it in a celica running a 1jz which runs 10's with that exact package

i think it is HPI that is doing up the 4 door skyline, well they used him to do their gearbox as well, so he does do skylines.

R31Nismoid - What gt30 where you talking about, were you recommending the GT30 or the GT30R? and also what housing? I'm hoping that with this turbo i should gte around 14psi at around 3800rpm, is this correct? Thanks for your help guys

[R31Nismoid]

.82 housing.

GT30, 550 HP with the .82 rear... make sure you get the 6-blade GT series wheel and not the older t04 7-blade wheel. thats the most important bit i reckon

[Chase-u]

thanks heaps guys, considering i don't have a skyline

[Oosh]

thanks heaps guys, considering i don't have a skyline

Doesn't really matter, so long as it goes hard, has forced inducton, and is RWD/AWD it's all good in my book! I think most people around here have similar opinions.

After I'm done with the R32 I'd really like to get a JZX100 Chaser. Great cars!

[Chase-u]

ok can someone please try and clarify something for me, 2 of my mates are going for the same turbo and rear housing, one on a rb25 and one on a 1jz. the specs are:

GT3040R

Turbine

-Wheel: 60mm w/ 84 trim

-Housing: .82

-Maps

Compressor

-Wheel: 82mm w/ 56 trim

-Housing: .70 ar

They are argueing who's will spool first etc etc etc. can someone give me a rough estimate when both engines would start to spool and also when they would reach say 1 bar of boost. i was thinking around the 4200rpm mark, but that is just a guess. they are both after 310rwkw+.

Thanks guys