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Rb20 Turbo Upgrade, All Dyno Results


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Stock RB20DET

Only mods are:

3in zorst, no mufflers...

Pod..

Front Mount..

044 fuel pump mounted intank..

EDIT* running 10 pound of boost.. no controller...

no tune..

Pulled 216.5rwhp with a bit of ping ping

Not too far down the track will be fitting IHI RC6 turbo, with cast manifold and ext gate, GTR injectors and a Lumpy Rom... probably Z meter as well.. looking for at least 260rwhp

Oh and pic of dyno readout:

Will get dyno sheet up soon..

Just replacing the turbo with the IHI RHC6 and the external gate the car made 299hp on hyperdrives dyno, Oh yeah - it is also now not running a cat and has a sard fuel pressure reg on it.. its fairly laggy too.. fun to drive tho..

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  • 2 weeks later...

Took a while haha

First pic is the original 299hp (on 20 pound) dyno run

Second pic is of 312hp(232kw on 22 pound) run after it had been rommed, new injectors, airflow metre, cam gears and avcr. the cam gears managed to bring full boost on 1000rpm sooner which is what I was am really happy about, I know it could make more power, but it would really put a strain on the engine, so im rapt with were it is now

post-20353-1157763037.jpg

post-20353-1157763052.jpg

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90 gts-t

fmic

walbro 450

3inch exhaust turbo back

pod

hybrid controller on 1.2bar 18psi but steadys to 14psi

possibly vg30 turbo???? yet to confirm

done on roller dyno on 18's with 40psi in em

post-30192-1157791384.jpg

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  • 2 weeks later...

ive got a 1993 r32 gtst running:

Rb25 turbo

apexi air filter

std injectors

3 inch exaust system

gtr fuel pump

hybrid gt spec intercooler kit

hks spark plugs put in for the last run as u can see

apexi AVC-R

Apexi SAFC 2

running 12 psi pulled 186.33rwkw dynoed at BD4'S

post-22213-1158502133.jpg

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RB20 Stock internals

3" turbo back

manual controller set at 14 psi

stock turbo

apexi air filter

fmic

stock injectors

upgraded fuel pump

dr d ecu chip and remap

204hp @ 10psi ...159rwkw @ 10psi.

remuffler removed made 162rwkw @ 10psi.

boosts up to 14psi then just tapers off as it losses boost.

wont hold boost for some reason.

dynoed at phat performance on the 16th this month.

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  • 3 weeks later...

Rb20det

rebuilt motor with stock pistons

recoed head with slight port polish

tomei cams

greddy td06-20g 8cm

6boost manifold

tial gate

3inch exaust

gtr injectors

power fc

bosch 040

hks front mount

custom plenum

stock afm

sard fuel reg

probably a few more things on it...pulled 315rwhp on 14psi need z32 afm and about 8psi more fuel pressure to run 20 -22psi...should see about 350 - 380rwhp after that.

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  • 2 weeks later...

1990 R32 gtst RB20DET

3 inch turbo back exhaust and airinx pod

34 Neo Turbo

$22 bleeder @ 14psi

SAFC II

Chipped ECU

FMIC

Bosch 040

192rwkw @ Boostworx

Edited by Tuffr32
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Datsun 120y

RB20DET 20thou forgies stock cams & AFM

RB25DET Auto B&M Shifter

Garrett GT35R 0.64 exhaust housing 14psi

Unknown Walbro pump - Running out of flow

GTR Injectors

Remapped ECU by Mercury Motorsport

176kw

185kw was pulled but deemed too lean for safe driving. The fuel pump was unable to keep up toward the top revrange... Currently getting a Bosch 044 installed with a surge tank and relocating the AFM to before the throttle body.

Best 1/4 mile - 12.95 @ 113mph

Future mods..

Z32 AFM or aftermarket ECU

4000rpm stall converter

more boost

Wanting 250kw at the wheels

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lastest figure out of my rb20

fmic

hks pod

sard r2d2 bov

sard fuel reg

r34 gt-r injectors

z32 afr

kkr 480 turbo

3 in dump to cat

3 3/4 in cat bak

power fc ecu

walbro intank pump

stock cams

stock cam gears

stock bottom end

stock plenum

stock ex manifold

power 264 kw @ the rears or 354.9 hp

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92' R32 GTS-4

Rb20det

forged pistons

hks gt2530 turbo

apexi hybrid intercooler

hks pod filter

3" turbo back exhaust

apexi piggy backed computer to stock ecu

204.2rwkw

517.4nm of torque

post-10027-1162388102.jpg

Edited by RB26DETT_GODZILLA
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post-32875-1162709094.jpgHey guys - My first post.. I have a 1991 240sx that I put a rb20det in.

I live in the US, but I've been browsing this site recently, as it has some very helpful info.

RB20DET-

Spearco FMIC

12 psi

Stock turbo

Stock internals

Stock clutch

Open downpipe

First run was with the stock fuel map, second run is corrected with an SAFC-1

On the same setup with 10 psi boost, I ran a 14.1 @ 98 mph.

That was a while ago though. Recently went back to the track with some boost controll issues, new LSD, and 9" slicks.

13.6 @ 103 mph (spun the tires. hitting .4 bar of boost, then slowly climbing to .7 bar) Adjusted the boost controller and hit a 13.6 @ 96 mph. I spiked to 1.1 bar in second gear, that quickly bled to .7 bar... I hooked 3rd gear and had no boost, but a huge splatter mark of oil where my BOV releases.... bummer! Oh well, good ET and poor trap speed. I've got video's if theres interest.

I am now workin on fitting a t04e/tial 38mm, 450cc injectors.

Goal is 400 hp/300 KW, before I tear into the block for some forged goodness.

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R32 Skyline

Sliding Performance RB25 Hiflow for RB20

RB20 turbo wastegate

BOS importing split dump/front pipe

3" meatalcat

2.75" kakimoto JASMA approved catback

TRUST tube and fin FMIC

GTR 444cc injectors

GTR fuel pump

Remapped factory ECU

pneumatic/mechanical turbotech boost controller

NGK copper plugs gapped to 0.9

Stock cams, airbox, BOV, panel filter.

Run was done at 16PSI

100_1189.jpg

Few things to sort out to reach full potential of 230rwkw

New plugs gapped to .8

New 3" catback

Z32 AFM

Lean the tune out

Then run 18PSI

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  • 2 weeks later...

hey guys,

I need some help.

Previous owner had my car dyno'd. He showed me the dyno sheet and it had 221kw on the sheet (since dyno's measure power at the wheels I assume this to be 221rwkw). The sheet also had my cars rego in the description so from everything on the sheet I saw it was legit but I've always doubted the power output (I didnt buy it based on the claimed power output).

Just for the mods it has, 221rwkw seems like a ridiculous amount of power from an RB20DET.

Basic run down is.

550hp Walbro fuel pump.

Adjustable FPR.

Vg30 BB turbo.

Hybrid FMIC.

3" turbo-back exhaust.

POD filter.

Exedy HD Clutch.

Bleed valve - 16psi (Thats what it made the power at, although I've only driven it at 14psi)

It runs stock ECU, AFRs tuned via FPR.

He also said it had bigger cams (I have no way of knowing) and he believed it might've had bigger injectors but I think they're just stock (They're red and so are the ones in my mates RB20 180sx).

So yeh, I'm pretty sure everyone here will agree it's not making that much power?

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