Max Boost For Rb20det?

[whyau1]

QUICK QUESTION....JUST WANT TO KNOW WHAT THE MAX & SAFE BOOST ON RD20 STOCK TURBO CAN HANDLE?

SETTING : STOCK RB20 DET 107000 KM

AIR FILTER

3' CAT BACK

MANUAL BOOST CONTROL

FMIC

SFC-HYPER R http://www.field-net.co.jp/english/lineup/hyper-r/

CAR CURRENTLY RUNNING 1.3 BAR...... BUT I DUN WANT TO BLOW THE TURBO, WILL GO DYNO ASAP...

Edited June 3, 2007 by whyau1

[D3LTR33]

The stock turbo has a ceramic turbine. Don't push it too far because it'll let go alot easier than a steel job. 1.3 bar sounds high to me. I wouldn't push mine above 1 bar, but i might just be over cautious

Edited June 3, 2007 by D3LTR33

[barney2010]

thats alot of boost for a standard turbo, i wouldn't boost over 14psi on a standard turbo

[stricko]

There is really no point to runnig more than 14 psi or 1 bar through a standard RB20DET turbo. For starters you'll have bits and pieces of your turbo go through your intercooler piping and/or exhaust and the turbo is basically pumping hot air into the engine as it is well out of its efficency range at 1.3 bar :S

[R33GOD]

the rb20 uses a ceramic turbo but the front and rear wheels are steel so there not as prone to failure as the r33 series 2 ones. if i were you i wouldnt go over 13.5. with a boost spike it might just touch 14.5. keep it safe on 13 psi

[D3LTR33]

the rb20 uses a ceramic turbo but the front and rear wheels are steel ...

Wait... are you trying to say that the turbo is ceramic and has steel compressor and turbine wheels?

[nizmo_freek]

the rb20 uses a ceramic turbo but the front and rear wheels are steel so there not as prone to failure as the r33 series 2 ones. if i were you i wouldnt go over 13.5. with a boost spike it might just touch 14.5. keep it safe on 13 psi

[Jago]

when i had a std turbo RB20 i never went past 10psi. Like mentioned, ~13psi would be the "safe" upper limit. Anything more and you are bound to run into problems eventually/decrease the "life expectancy" of your turbo dramatically.

[fEkuaR]

the rb20 uses a ceramic turbo but the front and rear wheels are steel so there not as prone to failure as the r33 series 2 ones. if i were you i wouldnt go over 13.5. with a boost spike it might just touch 14.5. keep it safe on 13 psi

What the hell are you talking about mate? LOL... the exhaust will IS ceramic. Thats why its a ceramic turbo...

[xRHETTx]

My rb20 stock turbo reaches 11.5psi with no boost control, just the stock actuator...

but 1.3 bar (about 19psi) is waayyy too much.

13 psi is a good level apparently.

[R33GOD]

lol. ive been told the wrong information. well i know the 33 series 2's are weaker. going to kill the person who told me that lol

[JVP]

i used to run 14psi on my old r32 with no dramas.

[bubba]

14psi ran fine through my old rb20 turbo but 19psi is pretty excessive.. I'm now running 12.5-13psi through an rb25 turbo on my rb20, anymore and it pings over 6000rpm (untuned ecu) once my 044 goes in and I get an ecu I will wind some more boost in and test the limits of the 25 turbo

[FATAZZ]

when fitting my stock rb25 turbo to my rb20

i hit 24psi before a loose cooler pipe blew off.

it is possible but i wouldnt recommend it.

when i got it tuned to 12psi,we tried for 14psi but the extra 2psi only gained like 2-3kw

plus had to do unsafe stuff with ignition timing,so i settled for 12psi with a safe tune.

[bubba]

What do you mean by "unsafe stuff" in regards to the timing?

Also what other supporting mods did you have at the time?

[RipNGrip]

1 bar or 14/15 psi upper limits. Buy a highflow from sliding performance or a GCG rb25 turbo.... and support those mods! FMIC exhaust, fuel pumps, piggy back fuel computers! etc or just get a rb25 turbo from a r33 s1 or s2 (different turbines but nylon vs Steel wheel)