Jump to content
SAU Community

Recommended Posts

Hello All

I have a 1995 GTS-t RB25DET Auto

with th following mods

3'' full exhaust with dump pipe

GCG 450hp Hi flow Turbo

Pod Filter

Hybrid FMIC

Splitfire Coils

FCD

10 PSi Boost

18 degrees timing

My tuner cant seem to get much more then 210hp at the wheels

my ecu is doing the Rich and Retard thing its driving me nuts

What is my options for a ECU for the AUTO or do i go for a full ecu and do a manual conversion.

I would prefer to keep the Auto cause its nice to drive (my missus has to drive it too....with kids....)

I was hoping with startard injectors to hit 250-300hp at the wheels

but it seems that the damm ecu wont let me.

I have been searching the forums for weeks trying to find a clear cut answer to no avail.

Guys i know someone out there can help me

no matter what it still has to retain drivibilty.

HELLLLLLLLLLLLP!

Champ get a compresion test some thing is wrong

i get 242rwhp @ 8psi

mods i have

3' exhaust with hiflow cat hiflow turbo

pod

fmic with plumb back

eboost 2 at 10psi 250rwhp all day

tho my dyno guy was very suprised

you need a g reddy e manage with ignision harnes there is a good thread on hear

james

Champ get a compresion test some thing is wrong

i get 242rwhp @ 8psi

mods i have

3' exhaust with hiflow cat hiflow turbo

pod

fmic with plumb back

eboost 2 at 10psi 250rwhp all day

tho my dyno guy was very suprised

you need a g reddy e manage with ignision harnes there is a good thread on hear

james

sorry wrong message quoted.

Can you point me to that thread mate I cant find much with the search funtionalty

cheers

Speak to a guy on these forums called toshi

He remaps rb25 ecu's. This means he will write a new map for your standard computer so you will retain factory auto settings.

cost is something like $300 + dyno time from memory :blink:

he has done heaps of ECUs and knows what he is doing

Cheers:)

PMDW

some thing is wrong with your dyno results

they are soo low i hav less mods than you and push wat you are after without an ecu auto as well that is y your thread interests me

was the car in second gear wen dynoed?

is it serviced much?

is it a good operater?

how long have you had it?

james

james

he is running a bigger turbo... there is probably nothing wrong at all.

@ 10psi his bigger turbo is more than likely moving more air, spinning out the ECU more than yours.

I wouldnt worry about the figure at all.

Get an SAF-C II onto it and go from there

R31Nismoid

Dont you think 210HP not KW is a little low for the mods he has

and will a bigger turbo lower the over all HP

I thought they just lagged more

210 hp =150 kw @rw

sorry i think some thing is up with that

james

he is running a bigger turbo... there is probably nothing wrong at all.

@ 10psi his bigger turbo is more than likely moving more air, spinning out the ECU more than yours.

I wouldnt worry about the figure at all.

Get an SAF-C II onto it and go from there

Actually you are right on the money the more airflow is maxing out the ECU

I have pretty much decided to get my factory ECU remapped when the nismo injectors turn up that way i dont have to dick around with splicing looms and such and everything will work smiko i'm hoping for 230 to 240 rwkw fingers crossed and it will still look factory i'll keep everyone posted.

Thanks for pointing me to that e-manage thread mad34 and the factory ECU IS the way to go.CEF11E cheers mate its gunna save a lot of heartache

R31Nismoid

Dont you think 210HP not KW is a little low for the mods he has

and will a bigger turbo lower the over all HP

I thought they just lagged more

210 hp =150 kw @rw

sorry i think some thing is up with that

james

Miller, the stock ecu sucks, they are not all equal.

Nothing is wrong with his car.

plus its auto also... you loose a good 10rwkw in stock form... more power you put in the more your going to loose :P

but yeah, get some management and then re-asses whats going on as currently you cant really get a good idea.

If something is wrong you could spend ages looking and not find it as there are too many things with a bigger turbo and stock ECU.

Get tuning in there and post up the results.

I'd be interested to see what comes of it.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • Sounds good Hmm suppose the main thing is, how much do you care about this car? The filler doesn't make for a very good water barrier lol. If there was a tiny little bit of rust forming now, that in 3 to 5 years time becomes obvious under the paint (starts to bubble up), would it bother you? 
    • I already have the ability to datalog the voltage... what I can't do is correlate it to what the gauge is showing when I'm looking at the data at a later date. Or something like this. Except getting the oil to 125C+ involves me going 200+kmh at the track so you can imagine this is a little tricky unless I do something like note what the voltage is when I am at the top of 5th gear so I have a point to reference on. Drove car today. O2 still reading richer because hopefully not a leak instead of massive restriction I've introduced. Car really doesn't sound like a LS. It's quite strange. Pulled a bit of fuel out up top. This does potentially explain why my spark plugs looked like the car was running pretty over-rich. If I was tuning it to a ~12.7 which in reality was far richer than that in the past. It will be handy to have the dyno WB to compare my WB to to compare notes that's for sure. At this point I'm happy to just sit in the passenger seat and tune the thing given I've got about 7 million hours on the platform lol.
    • Yeah I understand you have to pay for an updated map or subscription service or something. But I can't even find a current map for Australia. My map is dated 2017, but didn't this car version still sell in Australia until 2021?   Also, just as an aside, the navigation system warns you of traffic incidences ahead.....why would they include that on a map they knew is not receiving live information. I am forever going to be warned of an incident that probably existed for 30 minutes 8 years ago.
    • Car has been sold and I am now selling leftover parts. Prices are non-negotiable as I will sell to my mechanic if it won't sell here. Prices are firm except for the Random Parts listed at the very bottom. All parts are genuine except for the S-Tune front bumper. Volk Racing TE37SL 19×10.5″ +12 5×114.3 pressed graphite with P-Zero 275 30 19 tyres [USED] $4,500 Wheels are in perfect condition, have been sitting in my garage for the past 6 years. Tyres still have 90% tread, but since they're now old, I would not recommend you drive hard on them. K-Sport Super Sport External Reservoir Coilovers (made to order) [NEW] $2,500 Front spring rate 14kg, Rear spring rate 7.5kg Fork Type. You can read all about it here (https://www.k-sportracing.com/product_detail.php?Key=12). I was going to start tracking the GTR, but never got around to it. Paid $3500 (after USD conversion and taxes). HKS Kansai Service Tower Bar [NEW] $500 Never fitted in the original Japanese box. R34 GTR S-Tune Fibreglass Bumper [NEW] $500 No mesh - No Box - No damage - just dusty. Nitto RB26 Clear Timing Cover [NEW] $50 Couldn't fit RB2630 due to bonnet clearance. HKS Piping Kit Special Type (BNR34) & Apexi Power Intake Air Filter Kit & Password JDM Adapter [USED] $1,000 Missing some rubber hoses and supports, but you get what you see. Nismo NE-1 Weldina Turbo Back Exhaust & Custom 3.5"straight pipe [USED] $1,000 Needs some love, but perfect for those who want to go back to OEM+. Bayside Blue Aluminium Vspec Bonnet/Hood [USED] $700 Came off my GTR. Unfortunately, the tips have been slightly ground down. It will need some repairing. Bride Low Max Super Seat Rails [USED] $350 The price is for both sides. Will post pictures when I get a chance. Random Parts [USED] - negotiable Standard rb26 cams (intake and exhaust) $10 Stock amber front indicators $10 Standard GTR bumper lower side grills $10 Stock amber side indicators $10 Nismo Sports Resetting ECU $50 Water reservoir $10 Stock airbox mouth $10 Stock fuel rail $10 Stock coilovers from R34 GTR Vspec $100 PM me which items you are interested in. I do work 9-5, so I will be responding daily at best. Best time for pick up is after 5 and before 7 on weekdays, or i can work something out on weekends. I will only accept cash or PayID. Pick up only - located Epping NSW area.
    • sensible choice....and all 32s should be in yellow
×
×
  • Create New...