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Upgrading support systems

R33man

By R33man,
in Engines & Forced Induction

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R33man Enthusiast

R33man

Posted
Posted

I'm gathering information for my next series of upgrades.

I have a 95 R33 GTS-t. My list of mods includes

HKS pod filter

3 inch exhaust from turbo

Power FC

AVC-R

and a FMIC. = 192rwkw.

I would like to upgrade the turbo with the aim of approx 250rwkw.

My questions are about the support systems.

How much power will the standard clutch handle?

I plan on a new pump and injectors. I was thinking bosch 044 and sard 550's

Does anyone else have any suggetions. Has anyone used these injectors?

Value for money?

Do I need to get anything else apart from the injector and collar?

I dont plan on going internal in the engine at this stage but if I do I cant see me going over 300rwkw, would these injectors be ok.

The fuel system so far is the one thing that is causing me the most confusion so any help would be good.

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Torrens Collaborator

Torrens

Posted
Posted

I have an almost exactly same setup and was looking to upgrade to 230 - 240 rwkw. I decided against it mainly for the cost, once you reach over 200rwkw parts start to get quite expensive.

What support systems you will need:

Z32 AFM

550cc high impedence side feed injectors

Min. heavy duty clutch, twin plate is better

Bosch 910, 040 fuel pump.

Comments:

. You will definately need the Z32 AFM, you will maxing out around 200-210rwkw on the standard.

. 550cc injectors is recommended, however some say using a rising rate regulator is acceptable on stock injectors up to 240rwkw. I prefer not risking it and getting the injectors done. Sard prices are good, but they do not come with the collar necessary for straint plug-in fit. I sourced HKS for 78k Yen.

. I was going to continue to use my heavy duty exedy clutch and see how it went. Without launching hard at every opportunity it should have been OK. It's more a matter of torque than anything anyway. Twin plate would give you no problems - but adds to the cost.

. I was planning on getting the 910 fuel pump because my target was 230-240rwkw, and like you don't plan on doing internals. Getting bigger pump is still OK.

Now that I have helped, can I ask what turbo you are looking to use for this?

R33man Enthusiast

R33man

Posted
  • Author
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Thanks for your help Torrens.

I havent chosen a turbo yet. I'll have to look into that later but I thought I better get the other stuff sorted first. I would prefer a turbo that would not be laggy. I am more interested in having good midrange rather than outright power at the top end. What turbo are you going to use?

R33man Enthusiast

R33man

Posted
  • Author
Posted
as per my signature, the only upgrade to my fuel system was a bosch 910 fuel pump, stock injectors, stock fuel regulator. The injectors are at roughly 70% duty cycle. The trust td06 or a garrett gt30 is probably the go for your turbo upgrade.

Thanks rob. Are you still using your standard clutch?

R33man Enthusiast

R33man

Posted
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Posted
No Rob's clutch isn't standard.

I also am using stock injectors and have over 300rwkw, but I use a Malpassi fuel reg.

WOW I didn't think that was possible. I have been told by my workshop that I'll need new injectors if I want to go over 220rwkw. If i can get away without getting new ones that would be good. Does anyone have any opinions good or bad on their aftermarket clutches?

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