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The mkiv Supra Owners Club

Turbo Advice Please....


Andy-No-Knee

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I have a single turbo kit at the moment but after buying a new engine (specs below) I'm thinking that a more modern turbo will finish the project off.

 

The turbo kit I have is a HKS 30/37s turbo. It is good, fast spooling but runs out of puff at the top end. Not sure on what power figure I want but looking at the spec list below I think I am restriced by the 750cc injectors.

 

Basically I just want to get the turbo without having to get new injectors and other bits, oh and idealy it will fit on the HKS manifold as well saving me even more dosh.

 

So, the engine is a 1.5JZGTE with the following...

 

1JZGTE head.

Ported inlet and ported/polished exhaust.

Valve seats reprofiled.

Ferrea 6000 series Valves. Inlet oversized, exhaust standard.

Crower titanium valve springs and retainers

Stem seals replaced

Brian Crower 264/264 cam shafts

HKS head gasket

Greddy Cam Pullies.

Greddy copy larger aftermarket inlet manifold

Seimans 750cc injectors

TTs fuel rail

Aeromotive FPR

2 x Walbro fuel pumps and custom fuel lines.

 

2JZGTE block.

Block was re-bored for oversized pistons.

Crank shaft lightened and balanced.

JE pistons

Eagle rods

ARP head studs

ARP crank studs

ARP rod bolts

PHR oil pump

Boostlogic Crank pully

 

Now I really want it to be a fast spooling turbo, and as I say, I'm limited by the injectors which I dont want to change.

 

Suggestions please..... and thanks!

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I keep reading on here about the BW Batmowheels. Are they better than the GTX3882 you have mentioned?

 

The BW EFR series with titanium turbine wheel may have a slight edge but tbh you won't be disappointed with any of the modern double ball bearing turbos of this size.

 

http://www.enginebasics.com/Advanced%20Engine%20Tuning/Precision%20vs%20Garrett%20vs%20Borg%20Warner.html

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Wow!!! Suddenly they are in my price range and not for next year..... Hmmm. Thanks.

 

So what would be an equivalent BW to the Garrett GTX3582R .82A/R?

 

I'm doing some reading up on various turbo kits for my new car, just in case I don't get on with the T88-34D :)

 

Compared with the Garrett GTX3582R .82A/R, I'd probably look at the Borg Warner S360 or a Precision 6266. :)

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I think I am going to go for a BW S360.

 

Now the next question is jurnal bearings or double ball bearings? What is the differrnce? I think I know the basic but not the implications.

 

Are there bearing options for the BW units?

 

http://www.full-race.com/store/turbos/borgwarner-airwerks/borgwarner-s300sx-83-75-turbo.html

 

http://www.theboostlab.com/products/borgwarner-turbochargers.html

 

http://www.theboostlab.com/products/bullseye-power.html

Edited by Wez (see edit history)
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  • 3 weeks later...
Does anyone know if the BWS360 comes with an undivided entry?

 

Or are they only divided entry??

 

The 60mm units are available with either, I asked the same question in the Whifbitz BoostLab turbo thread yesterday ;)

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Where did you get that price from Ian?

 

I checked ebay.co.uk back then, there were several Canada/USA places that offered them for about £1000 plus pnp. I've just revisited and they've shot up to £1500 delivered :blink: UK prices are a joke, £1600 plus delivery. What a ripoff.

Edited by Ian C (see edit history)
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i think this is the cheapest on there at the moment

http://www.ebay.co.uk/itm/Garrett-GTX3576R-Turbine-68mm-84-trim-Compressor-Inducer-Exducer-58-76-6mm-turbo-/250927519653?pt=Motors_Car_Truck_Parts_Accessories&hash=item3a6c7217a5

around £1,250 delivered but more than likely have custom charges

although thats without housing

is that gtx3576r the turbo thats really quick spooling over the others

Edited by ashbuster (see edit history)
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