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Rb20det Upgrade - Need Some Help :)

bax_nz

By bax_nz,
in Engines & Forced Induction

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bax_nz Explorer

bax_nz

Posted
Posted (edited)

hi people

I have a standard rb20det with 137,000kms manual r32 gtst

Current Mods are GTR Fuel Pump and Full 4 Inch Mandral Bent Exhast from the turbo back

I have currentley purchased

R33 Turbo (about to rebuild)

600x300x76 i/c + piping kit

46mm external wastegate

gtr injectors

q45 afm

hks bov

I want to get over 200rwkw and im told this setup would come close to it

now im not sure what else to get from here and what computer to get etc

what other parts do i need? and what sort of power am i looking at on this setup before i go to a bigger turbo with manifold etc

apparently ive been told the car is currentley 170kw

ive ran a flat 15.00 at the 1/4 mile in this car as is

what sorta times am i looking at with these new mods?

any help is well appreciated

thanks heaps

p.s this is my car ;)

r32.jpg

Edited by bax_nz
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https://www.sau.com.au/forums/topic/105194-rb20det-upgrade-need-some-help/
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salad Veteran

salad

Posted
Posted

wait... with those mods you only ran 15s?

get your ecu remapped as the stock r32 ecu is very good, and its cheaper to get it remapped.

are you just gettin the R33 turbo rebuilt or hi-flowed?

a hi-flow will get you past 200, dont think the stock R33 turbo will

ive got a similar set up (r33 turbo, 3" turbo back and pod) and made 170rwkw on 1 bar

200rwkw should be easy with the hi-flow

bax_nz Explorer

bax_nz

Posted
  • Author
Posted

hey man

ive only got a exhast and fuel pump on the car at the moment

the reast of those mods r sitting at home waiting to be put in all at once :)

when u say hi flowed does that mean steel wheel etc?

also whats the advantages and dis advantages over a ecu remap and spending 1500 on a computer?

grandmasterb Grand Master

grandmasterb

Posted
Posted (edited)
Excuse this question... but why are you using an External gate on an internally gated turbo?

:lol: was thinking the same thing???

you can run a screamer on a internal gate turbo if thats all your after :)

hey man

ive only got a exhast and fuel pump on the car at the moment

the reast of those mods r sitting at home waiting to be put in all at once :)

when u say hi flowed does that mean steel wheel etc?

also whats the advantages and dis advantages over a ecu remap and spending 1500 on a computer?

PFC is going to be your best after market plug in ECU and your looking at about $1400 with commander for the AP ENgineered version.

Great ECU and if the tuner you go to has experince then they are pretty easy to use as well.

Your other option as already mentioned is to get the stock ECU remapped by someone like Dr Drift aka Sam Cornwell.

www.dr-drift.com

The results he gets from a remapped ECU is AWESOME and worth every $ if you ask me.

WIth your minimal mods with the soon to be set up i would look at the ECU remap and maybe spend some money on handling, oil cooler or braking as they are all crytical parts as well but often overlooked!!!!

Cheers B

Edited by grandmasterb
TTT Grand Master

TTT

Posted
Posted

gtr fuel pump + 4 inch exhaust does not = 170rwkw on rb20det.

15.0 1/4 pass proves that.

rebuilt to stock r33 turbo will be good for close to 190rwkw with about 1 bar boost.

Q45 afm will not work with stock ecu.

external gate for sound = wanker

did I miss anything?

Roy Grand Master

Roy

Posted
Posted
....external gate for sound = wanker

did I miss anything?

Im going to go ahead and fly the birdie :blink:

External gates are the only thing that make RB20s sound interesting :(

And an external gate with a R33 turbo, with a Q45 AFM...seriously i fyou have bought all this gear ont he advise of your mechanic then find another mechanic.

If you bought it after researching the mods you thought you needed...fair enough, but you have spent money in the wron places. Its easy to make power you are after, but the road you have taken is kinda confusing.

Good luck with it though

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