Gt4088 Journal For 600hp

[Mr Jollwah]

http://www.atpturbo.com/Merchant2/merchant...gory_Code=GTNBB

Am thinking bout buying this as the aussie dollar is so high, ATM I have an rb25, i'll have to put in stronger internals so I may go a RB25/30. Should I buy this one or a GT4082.

I know that they are journal bearing but that doesn't really concern me, I like em cause their cheap.

[humz]

if you like buying something coz its cheap how the fark do ya expect to build a 25/30??

and a 25/30 isnt stronger than 25 or a 30, engines are as strong as they are built

[Mr Jollwah]

I Think that you misunderstood. I'm not saying that it's all that I can afford. what I meant was that I don't feel that I need to spend $2000 on a turbo when that one would do the trick. I could use the difference for some other part of the build.

Now if it cost very simmilar coin to build a built RB25/30 to a built RB25, I am thinking that the hybrid will get a GT4088 onto boost that little quicker.

So it is not the overall cost of the project that is of concern, it is the cost to benefit of modifications that concerns me.

[Mr Jollwah]

looking at the comp map for the GT4082 it doesn't seem to have enough flow for 600Hp. could be wrong. is there anyone out there using this turbo getting 600Hp.

http://www.turbobygarrett.com/turbobygarre...82_452232_5.htm

I feel that the GT4088 is more suited to 600Hp, but is the 1.06 AR turbine is too big for a RB25.

[Lithium]

I feel that the GT4088 is more suited to 600Hp, but is the 1.06 AR turbine is too big for a RB25.

I assume you are looking at 600hp @ wheels? Because a GT3582R will do 600hp @ crank quite happily. GT4088Rs have been used on RB25s and RB26s with .81a/r rear ends and aren't too laggy for their size, definitely better suited than a T04Z for a RWD turbo street car looking for the 600hp @ wheels power area from what I have seen. If I even lost the plot, its where I'd look.

[Mr Jollwah]

Cheers lithium, I agree that a GT3582R will do 600hp, However I was thinking bout Journal Bearing for a large single. Mainly due to the fact that the garrett GT Journal series seems to be good value for this power level.

I understand that they maybe laggier than the BB Units, It's a compromise that I can live with.

[Lithium]

Cheers lithium, I agree that a GT3582R will do 600hp, However I was thinking bout Journal Bearing for a large single. Mainly due to the fact that the garrett GT Journal series seems to be good value for this power level.

I understand that they maybe laggier than the BB Units, It's a compromise that I can live with.

Are you wanting over or around 600hp @ crank? It will be a lot laggier being that its quite a bit larger size, very cool/impressive looking turbo though. If you are "just" looking for GT35R type power have you considered something along the lines of a Precision SC61, a T3/T04S from ATP, an HX35/40 etc... quite a few cheaper plain bearing options out there.

[Mr Jollwah]

Thinking about the T04S with the 1.00 divided housing.

http://www.atpturbo.com/Merchant2/merchant...tegory_Code=TBN

Remember reading that the newer GT Journal turbos were more resposive than these with the P trim turbine.

[discopotato03]

You can buy a large frame ball bearing version of that T4 P/60-1 , its known as a "T4R" and its on ATP's site . Its cartridge is the basis of Garretts T04Z one , just with that 60-1 compressor instead of the Z's one . They were cheap when released for a big frame BB turbo .

Your call but anyone who runs a GT4088R with that single scroll 0.81 A/R turbine housing , which is not a Garrrett housing but aftermarket ie PTE , hates performance and likes lag . A lot of smarts went into Garretts GT4088R and they include a twin scroll turbine housing . I think Precision actually intended that 81 housing to go on an expensive hybrid turbo they created called the GT4067R , that one is basically a GT4088R cartridge but with the T04Z's compressor and a custom backplate . They didn't exactly set the world on fire so you won't see too many .

Cheers A .

[Mr Jollwah]

Will look into the T4R on ATP website.

The turbo I was thinking about was a Gt4088 journal bearing with an ATP 1.06 AR Divided turbine housing.

Probably to go on a RB25/30.

[Mr Jollwah]

Here is another contender......

http://www.full-race.com/catalog/product_i...21d5de72d1c9905

More than I was looking to spend.. Ah well better keep saving.

[discopotato03]

That ones a regular GT3582R with the "Farmer Brown" twin scroll turbine housing . Those housings are hard to find in the US so you won't see buckets of them either .

Note in the pick that the mount flange size is T4 but the inlets are more like T4 Euro which is improperly know as twin scroll T3 . Cubes , remember how you had to port your turbine housing inlet to match your manifold ...

God you people would laugh if you knew the size of the piddly dinosaur turbine thats std for that housing .

As I said rumors claim Garrett will have a twin scroll GT35 1.06 A/R turbine housing available next year but don't hold your breath .

Cheers a .

[Mr Jollwah]

Just looked at the pic again, yeah that turbine inlet is kinda small.

Ok, so out of these options for 500-600hp.

T04S (1.00AR)

T67 aka T04R (1.00AR)

Gt4088 (1.06AR)

TO4S BB (1.00AR) if significantly better that journal bearing.

Or any other options that maybe more suited at this price range.