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Plazmaman Plenum Vs Gtr Plenum

Adz2332

By Adz2332,
in Engines & Forced Induction

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Adz2332 Grand Master

Adz2332

Posted
Posted

Hey all,

I am looking to buy a Plenum for a track GTST R33.

Have read through pages and pages of info.

Im leaning towards a plazmaman or a Greddy as im after useable torque.

But what about a R33 GTR Plenum? What is needed to make it fit? And is it worth doing it over a plazmaman?

Looking at around the 375 to 400kw mark, what size throttle body to go along with the plazmaman would i need?

Any other info would be great

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34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

I run 391kw and the 66mm seems to be holding up alright, if its a track car you will be at WOT more than you would on the street so possibly wont hurt to go bigger!

GTR plenum requires more effort to fit compared to the simple bolt on applications as you have multiple TBs etc i assume.

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted

^ GT-R plenum would be worse IMHO because you need to run one of those fugly hacked up spacer plates and that would affect airflow and also the injector spray would be offset.

Of course, it has been tried & tested.. but for 370~400kW why not stick to the stock plenum, but if you have cash to spend might as well get a Plazmaman plenum :)

Adz2332 Grand Master

Adz2332

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  • Author
Posted

Thanks guys.

Im after the plenum to clean up the engine bay to.

Also while people are reading, removing the air polution stuff.. is it as simple as disconecting and plugging the holes? wont effect anything?

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Thanks guys.

Im after the plenum to clean up the engine bay to.

Also while people are reading, removing the air polution stuff.. is it as simple as disconecting and plugging the holes? wont effect anything?

Cleaning up the engine bay is one thing but remember if you are doing these kind of plenums (well in regards to the Plazmaman) relocate your oil filter and do an oil cooler setup while its apart as its a bitch to get to the filter once its all together! Its even a mission on mine just to check the oil level on the dipstick lol

Adz2332 Grand Master

Adz2332

Posted
  • Author
Posted

you mean the charcoal canister? yeah go for gold!

while you're at it, might as well setup an atmo catch can

(it's a dedicated track car that will never see the streets right?)

Yer that little canister with a couple rubber n hard lines running to it. excellent. yer definatly a track only. never ever see the streets!

Cleaning up the engine bay is one thing but remember if you are doing these kind of plenums (well in regards to the Plazmaman) relocate your oil filter and do an oil cooler setup while its apart as its a bitch to get to the filter once its all together! Its even a mission on mine just to check the oil level on the dipstick lol

hahah thanks for that advice! one of those things you dont think of till its done and then swear and yell about it!

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

hahah thanks for that advice! one of those things you dont think of till its done and then swear and yell about it!

Yep, hence why you learn from others mistakes lol :D

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