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The mkiv Supra Owners Club

turbo upgrades


grahamc
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Hi Graham

 

Boost depends on the strength of the engine, fuel being used, etc. max I'd want to run at on road fuel and on a relatively stock engine would be around 1.4bar. I generally run at 1.2bar which is insanely quick, 1.4bar spins the wheels up in the dry in 3rd.

 

I'll check the price for you.

 

cheers

 

Thats seems like some decent figures, and te sort of route that I would like to go. The max boost figure is not an everyday figure. Most of the time I would drive around with the boost reduced.

 

Look forward to it.

 

Nic...is that dyno @ the wheels or Fly? (lovely smooth delivery)

 

Does look nice and clean.

 

What are the other parts required to get the turbo fitted and running properly?

 

turbo

manifold

downpipe

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I obviously wasnt paying attention last week when you had problems with your car. I thought you were on a fully built engine with a single turbo.

 

Is your spec as it stands AEM ECU, built engine and hybrid sequentials, ie stock based uprated turbos?

 

JB

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I obviously wasnt paying attention last week when you had problems with your car. I thought you were on a fully built engine with a single turbo.

 

Is your spec as it stands AEM ECU, built engine and hybrid sequentials, ie stock based uprated turbos?

 

JB

 

Standard engine not fully built. Hybrids, link ecu, hks fuel system (680), walbro fuel pump, 264 cams, fmic, and the other usuals

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What are the other parts required to get the turbo fitted and running properly

 

This is the full spec, the parts highlighted in red were installed when I converted to the GT35R

 

ENGINE

Garret GT3582R

HKS Manifold

HKS Wastegate

PHR Screamer Pipe

PHR 4" Downpipe and Mid Pipe

PHR 3" Intake kit

HKS R-Type Front Mounted Intercooler

PHR IC Hard Pipe

HKS Racing Blow-Off Valve Type 2

HKS Oil and Water lines

HKS Cams in256/ex264

HKS Adjustable Cam Gears

Chris Wilson Gas Flowed Cylinder Head

HKS R-Type Oil Cooler

HKS Super Fire Spark Plugs

HKS Oil

GREDDY Ti-R Exhaust

GREDDY Oil Filter

POWER ENTERPRISE Double Row Aluminium Radiator

PHR Radiator Cover

PHR Polished Upper Radiator Pipe

 

FUELING

WALBRO 341 255 ltr/hr Fuel Pump

HKS Fuel Rail

HKS 680cc Fuel Injectors

HKS Adjustable Fuel Pressure Regulator

 

ELECTRONICS

HKS F-Con V Pro

HKS F-Con V Pro Harness

HKS F-Con Pressure Sensor

HKS F-Con Temp Sensor Set

HKS EVC VI Boost Controller

RACELOGIC Traction Control

DEFI 60mm Electronic Boost Gauge

DEFI 60mm Electronic EGT Gauge

DEFI 60mm Fuel Pressure Gauge

DEFI Control Unit

Innovate AFR Gauge

Turbo Timer

 

TRANSMISSION & DRIVETRAIN

Standard 6spd Manual

TRD Twin Plate Clutch/Flywheel

 

SUSPENSION

HKS Hypermax II Coilovers

TRD Suspension Bushes

ARC Titan Front Strut Brace

CUSCO Type CB Rear Strut Brace

 

BRAKES

UK Spec Front & Rear Brakes

PROJECT-MU SCR-PRO Front Brake Discs

TRD Brake Pads

TRD Brake Lines

TRD Brake Fluid

 

WHEELS/TYRES

Weds Sports SA-70 18x10/18x9

Michelin Pilot Sports (Fr 245/18/40 Rr 285/18/35)

 

EXTERIOR

TOP SECRET Type III Front Bumper

TOP SECRET Type III Side Skirts

TOP SECRET Type III Rear Spats

Facelift Headlights

Facelift Rear Lights

Facelift Indicators

Clear Side Markers

 

INTERIOR

TRD Steering Wheel

GREDDY Dual Pillar Pod

 

http://img183.imageshack.us/img183/656/cimg0004kn4.jpg

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Hi Nic, could you pm me a price for that GT3582R too please,

 

What A/R's did you go for compr/exh?

Exactly what model wastegate is that HKS?

 

And lovely smooth delivery nice power figures too, but just wanna know one thing?

 

What would be recommended to make that power curve last longer? It seems to tail off at just over 6000, was that a personal preference?

 

Does this turbo run out of puff at that rev range?

 

And as mentioned...estimated flywheel power...how do you get that from a dyno? Was it a hub dyno or something

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Hi Nic, could you pm me a price for that GT3582R too please,

 

What A/R's did you go for compr/exh?

Exactly what model wastegate is that HKS?

 

And lovely smooth delivery nice power figures too, but just wanna know one thing?

 

What would be recommended to make that power curve last longer? It seems to tail off at just over 6000, was that a personal preference?

 

Does this turbo run out of puff at that rev range?

 

A 264 intake cam may give a bit extra up top. I already had the in256/ex264 cams installed and this setup really helps wind things up quickly lower down. I have a 7000k rev limit which it reaches very quickly in lower gears. In 4th and above it does start to drop off slightly after 6K, but I have very few opportunities day to day to actually get up to those sort of speeds in HK.

 

I wanted a setup that was as responsive as possible lower down, which was why I chose the GT35R, the GT40R would give more top end hp, at the expense of a little more lag (still minimal).

 

The turbo is GT35R, .82 AR, with T-04 inlet, 3" V-band exhaust fitting and 3" compressor side exit.

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Forgot to add, I bought the HKS set up kit, this includes the manifold and the Racing wastegate (plus V-band fittings). The wastegate spring is rated at 0.9-1.3bar.

 

1420-RT015 HKS Single Turbo Set Up Kit

 

http://www.hks-power.co.jp/products/turbo/support/set/img/image_01.jpg

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256/264 would make good sense for spool, does that make the sup an interference engine?

 

You are quite right though, not many times will you get the opportunity to take the car to its limits on topend

 

But say you did, are the cams the only way to increase topend performance?

 

price for mani and turbo(individually too please);)

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256/264 would make good sense for spool, does that make the sup an interference engine?

 

No

 

But say you did, are the cams the only way to increase topend performance?

 

With this size turbo yes.

 

price for mani and turbo(individually too please);)

 

I'll need to check the price of the turbo and get back to you.

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  • 1 year later...
does anyone know any links for upgradeing twin turbos on supras

 

Lee P is the man for the most successful twin upgrade. Huge money. :(

 

Your best bet is a GT35 or T67DBB, Solaris ecu map it via RyanG get it fitted by most of the traders here. :) 12k should sort you out. :D

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