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R34 Gtt Intake Options. Plazmaman Vs Greddy

Toff

By Toff,
in Engines & Forced Induction

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Toff Contributor

Toff

Posted
Posted

Hi guys,

After a little bit of help with my build, Car is currently undergoing a restoration and while it off to be painted i have stripped all ancillaries etc off the block ready to clean it up.

I have a Holset HX35 To go on when the cars back and will be buying a 6Boost Mani to suit and other supporting mods.

I am a little stumped on the inlet side, There is 2 options im thinking of.

  1. Buy a Freddy Greddy copy plenum with throttle body and fuel rail, If TPS Doesnt fit straight on modify it to fit, Remove all Idle valves, and other sensors etc that dont fit. I know i wont be able to fit the AAC Valve, but what else will i have to remove? Am i right in thinking my only idle setting then will be on the TB Screw? Will also have to make up new fuel lines etc, and im also unsure on what injectors i would go with? High impendance top feed i know that.
  2. Buy a plazmaman manifold and throttle body, at the price of £1200ish in the UK. This appeals to me due to quality etc, but once again what sensors etc do i need to remove? Does it keep the AAC Valve etc? Bit put off by the price to be honest...
  3. There is also the modded stock option and retaing all stock stuff, but not too keen on this idea

Car will also be running a Haltech Platinum pro plug in, Will be retaining A/C.

If i can fit a Greddy and remove all the OEM Idle and AAC Valve etc and get away with setting a base idle of say 1000rpm i will, Will the Haltech be able to adjust idle using the TPS and setting it up well?

Thanks

Chris

Jordy32 Experienced

Jordy32

Posted
Posted

The Greddy plenum gives you flanges to bolt your iacv and cold start valve to on the underside of the plenum so you can retain both neatly. As for the plazmaman plenum, it's only the top half and you retain the stock runners so you can basically keep everything on the intake side as per usual

Why do you want to remove your idle / aac valve?

Jordy32 Experienced

Jordy32

Posted
Posted (edited)

Is that applicable to the GTT Though Jord? And i dont want to remove anything, i was just under the impression i would have to with the greddy setups.

Hmm, good point actually.

Here is a photo of the underside of my Greddy plenum, while it is for an R33 RB25DET I'm sure it would be quite similar underneath? sorry for any confusion :)

ae7MuCrl.jpg

EDIT: sorry that photo is average, it's the only one i have on my phone at the moment! :P

Edited by Jordy32
Toff Contributor

Toff

Posted
  • Author
Posted

Thanks for that guys, Made my mind up today and purchased a greddy copy with TB And injector rail, Will be buying an adapter from Ben C34.

Stock inlet I really dislike, looks,heats oak, just not for me.

only problem I may have now is the TPS. How do people usually do this? Is the stock TPS the same drive?

Toff Contributor

Toff

Posted
  • Author
Posted

I'm not retaining the TCS,And stock manifold again I'm not retaining for the reasons above. May still swap to an R33 TB & adapter for ease if I need to.

And has anybody any proof of all this mid range torque loss? The power graphs I have seen on decent setups don't loose torque by much.

And Rb20 torque wise I'm sure is a joke.

I'm also aware that a stock size throttle body will flow massive power, So it's not because it's not big enough.

sleptema Proficient

sleptema

Posted
Posted

I can help out.....

This ^ guy made me some adapter plates. PM me if you want me to send you one, as I still have a few left over. It is just a plate that allows you to bolt your r34 aacv to the 33 mounts.

  • 2 weeks later...
Toff Contributor

Toff

Posted
  • Author
Posted

Thanks for your help guys.

Plenum is here now and I'm impressed by the quality of it all. Will be fitting it with an adapter from Ben.

One final question regarding injectors, I know I need top feed high impendance to go with the NEO motor/HKS Rail and found these ebay item number: 201145001596

Are they any good? And genuine for that price? Aiming for around 450-500whp

Thanks!

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