Single Turbo RX-7's Questions about all aspects of single turbo setups.

T04E turbine approx hp with this setup ?

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Old Sep 25, 2008 | 09:08 PM
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vr4much's Avatar
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T04E turbine approx hp with this setup ?

I won't have the car for another week, and im not sure if it has secondary or tertiary injectors, not sure if it has an upgraded fuel pump.. wanted to know whats approx hp on this setup.. my supplier said 450-550, but i think he forgot that you need an upgraded fuel pump and 1600+ injectrors.
I'm not sure what boost it's currently running at.


1992 13B
A complete engine overhaul was completed at 50,000klm.
,the turbine was fitted at this time.
HKS TO4E Turbine kit with stainless manifold and
large external wastegate.
550cc Injectors
HKS Air Cleaner
Front Mount Apexi Intercooler
3 Core Radiator
Oil Cooler
Apexi Power FC Full tuning computer
Original Muffler
7 point roll cage
JIC Coil Over Suspension
2 way upgrade LSD


and this one, an FD


Border Front Pipe
Border Muffler
Border full turbine kit (3037 housing)
Border 3 core radiator
Border Intercooler
Border Pulley Kit
Super Cat Converter
KandN Air Cleaner
Apexi Power FC full computer and controller
Apexi Fuel Pump
Upgrade Engine Mounts
Exedy Clutch
HKS EVC at 1 bar boost
Trust Blow Off
Sard Injectors

Border Full Aero Kit
FRP Bonnet
Advan Rims
Recaro Seats
Takata Belts
Pivot Turbo Timer
5 point roll cage
Aragosta Full Suspension
ATS 2 way Diff

Last edited by vr4much; Sep 25, 2008 at 09:15 PM.
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Old Sep 25, 2008 | 09:52 PM
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What is the trim and A/R on the turbo. T4? devided or not?
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Old Sep 26, 2008 | 01:00 AM
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Your supplier is probably telling you what the turbo is capable of in terms of flywheel hp. Most people here on the forums talk about power in terms of wheel hp. Cars generally lose 15-20% of there flywheel hp by the time it is transfered to the wheels, so 450-550 flywheel hp would measure about 350-400 wheel hp. A TO4E is very capable of 350 to the wheels, though hitting 400whp with a TO4E would really be pushing it. You will will definitely need to upgrade your fuel injectors to even make 300whp with your car. Your PFC can be tuned for the bigger injectors so you might not even need the rebic controller that it comes with.
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Old Sep 26, 2008 | 01:35 AM
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your supplier is lying to you.

Do a search mate
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Old Sep 26, 2008 | 01:52 PM
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Do yo ahve the car? Remove you charge piping, and see if you can read what it says on the compressor cover. Should be .60 A/R.

Also, measure the inducer. If it's a Garrett, this will give you an idea as to what the trim is.

Trim MM

50 53.90mm
54 55.12mm
57 56.64mm
60 58.17mm

I found that info on here a while ago. The inducer if you don't know is the wheel that you can see from where you attach your intake filter too. Measure it and report back.
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Old Sep 26, 2008 | 02:42 PM
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HKS turbos are manufactured by Garrett. The HKS T04E turbo kit came with a T04E 57 trim compressor with a T04E .6 A/R compressor housing. On the hot side its a P-Trim turbine wheel with a T4 divided .84 A/R turbine housing. Your looking at 340~375 at the wheels wiht a good tune and all supporting mods (EMS, big fuel pump, large injectors, FPR, intercooler etc.).

~Mike..........
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Old Sep 26, 2008 | 09:06 PM
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i will get the car on tuesday, i will take a look at the trim
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Old Sep 27, 2008 | 12:23 PM
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hey cool car, I live in calgary half the year. I heard some good things from rx7specialties, you could go talk to them.
who did you get to bring the car in?
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Old Oct 2, 2008 | 12:56 PM
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vr4much's Avatar
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From: Canada
k it looks like its a .6 here is the pic
also has a stage 3 clutch ( not listed ,but i found out when i test drove it)
Is there any quick way to see the volume of injectors and where is the fuel pump located on the fds ?

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