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New Turbo Set Up Gt35R. How Much Power Before I Should Upgrade From Stock Exhaust Manifold?

ursin

By ursin,
in Engines & Forced Induction

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Exactly. 700hp front, with a 450-500hp rear...

not optimal at all regardless of what results you wanna quote.

A 3071 would almost make the same power, but with a noticeable improvement.

mickr33 Community Regular

mickr33

Posted
Posted

Hi there. Im currently running a 3076 with 0.82 rear. This was initially on the stock manifold which basically would not go past 290kw. The tuner even tried going up to 23psi which resulted in no power increase. So left it on 19psi. The only change since then has been the install of a S-tec manifold which is still low mount and the end result was 18psi at 300kw. Not sure what this manifold would be restricted at but from what i've researched they are said to be good for around 340kw ish. My tuner did not even try for more as he said for a stock motor that's all he want's to push it to. So for me the S-tec low mount manifold is perfect. It is 321 stainless, fit perfectly and was finished off very well. It has been on the car for around 6 months now with no dramas and cost $450 delivered from Japan.

www.stec-motorsports.com

ursin Apprentice

ursin

Posted
  • Author
Posted

its a .82. i got some overtime in work so im just going with the raw brokerage manifold. i would like to get the best spool time out of this turbo as i can. and stop with the 3076 comments. im not going to switch to it, if you guys like it thats fine but i already have the 35r. heres a link to the manifold. the only thing i am considering doing if its going to be to my benefit is getting the t4 twin scroll ex housing instead of the t3 open that is currently on it..

http://rawbrokerage.com/Raw-Brokerage-Pro-Turbo-Manifold-RB20-RB25-RB26-raw-exman-rb.htm

PaulosECR33 Community Regular

PaulosECR33

Posted
Posted

its a .82. i got some overtime in work so im just going with the raw brokerage manifold. i would like to get the best spool time out of this turbo as i can. and stop with the 3076 comments. im not going to switch to it, if you guys like it thats fine but i already have the 35r. heres a link to the manifold. the only thing i am considering doing if its going to be to my benefit is getting the t4 twin scroll ex housing instead of the t3 open that is currently on it..

http://rawbrokerage....aw-exman-rb.htm

are you just getting that cos it looks awesome? (note i am NOT questioning the quality) 6boost was $1250 shipped in under 2 weeks and they look pretty good too... if you do have problems it would be much easier for you to work with kyle than with someone in the us

ursin Apprentice

ursin

Posted
  • Author
Posted

lol sorry i live in the USA thats exaclty why im getting it. not cause it "looks cool" ..... 6 boost is harder to find over here. i get a lot of my parts for my RB over there they are a good place to deal with.

Harey Veteran

Harey

Posted
Posted

U

Exactly. 700hp front, with a 450-500hp rear...

not optimal at all regardless of what results you wanna quote.

A 3071 would almost make the same power, but with a noticeable improvement.

And then when an aftermarket manifold is fitted and he wants to make use of the built engine he's got nowhere to go.

Harey Veteran

Harey

Posted
Posted

I'm running 288rwkw on stock manifold with gt3582r with 0.82 housing and full boost @ 3800 on 18psi

doesn't sound right, that's better or equal to a 0.63 housing

Shane_954 Enthusiast

Shane_954

Posted
Posted (edited)

If it is right thats close to my 30e that has full boost at 3600, making 303rwkw @ 17psi on an ETM manifold. Sounds a bit early to me?

Edited by shane_180sx

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