Jump to content
SAU Community

Recommended Posts

Nengun site so I'm not sure who/what translated it. Would be good to get a hold of some complete info. I had a look around for V specific info the other day to see if this was a feature on all F-CON models but didn't turn up anything.

its always goign to take a second or so to change gears on full throttle changes.. that's the way the nissan gearbox is

if you want to change that, then a shift kit is a great investment :)

If your are interested here is a xls file of raw data and graphs from Newkleers LCD Box and NissanDataScan software that I did the other day trying to sort out some problems.

It shows the timing cut and change from first to second at near 7000RPM.

The Auto has been modded with a firmer shift plate and Kevlar clutches, 2800RPM stall etc.

BTW this is with ECU ERROR 34 - Knock Sensor showing all the time.

Can anyone tell me the implications of this error on the ECU maps and general operation of the engine under this fault condition?

BTW this is with ECU ERROR 34 - Knock Sensor showing all the time.

Can anyone tell me the implications of this error on the ECU maps and general operation of the engine under this fault condition?

Sorry I cant give you a definite answer on this, but logic would say that:

Knock sensor not working = ECU assumes engine knocking (just to be safe and avoid a waranty claim)

therefore retard some timing.

HOWEVER - if you have set the timing when this was faulty you may have already compensated for the retard, but removed the safety measure on the rare occasion you get bad fuel or heat soak in the intercooler.

Well I have bought most of the parts and have gone with a PFC. I would have gone with an F-CON but no one in Vic tunes them. So I should have all the parts within a week or two but might wait til Jan to do the install. Depends on when I have a bit more cash to get the spare turbo rebuilt and pay for some of the install and tune. I'll be installing as much of it myself as possible but lets face it, I'm an IT tech not a mechanic. I can do a service, change plugs and coils but fuel pump and injectors and I have visions of exploding cars.

*edit...is there a seperate ecu for the auto transmission? or is it all inside the engine ecu?(front left of passenger seat)

for r32gts-t's

not sure on the 32's but the 33 has a seperate ecu in the right kick panel for thr auto.

  • 1 month later...
Glad I found this thread... I will add my Datsun 120Y that has a RB20DET auto

Engine has

20thou forgies

Walbro + Bosch 044 & surge tank

GTR ingectors

Stock AFM just before the throttle body

3" exhaust

Garrett GT35R 0.63 exhaust

38mm Turbonetics external gate

Auto has

MV shift kit

MV manual shift controller

B&M pro ratchet shifter

4200 stall converter

trans cooler

185 kw

I could only find my 13.1 @ 113 timeslip from yesterday but it has done a 12.9 @ 113.

Best 60 foot is a 2.25

I use 205x50x16 Toyo R1-R and a 3.7 lsd diff.

I have been told I have the incorrect type of muffler fitted and i need a straight through design.... Damn restrictive V8 muffs.

post-24062-1162824263.jpg post-24062-1162824293.jpg post-24062-1162824441.jpg

Well after finally getting a half decent converter in, last night i did a 11.89 @ 112mph.... 1.71 60 foot time.

I will upload the time slip in the next couple of days :)

Here is a pic ..

post-24062-1168510492.jpg

Update, the new fuel system netted a massive 157rwkw!

We lost AFR readings at 5000rpm...they dropped off way past 10:1

The new turbo/bleed valve combo won't hold boost either, this should all be fixed in the next 2 weeks with some nice figures to attach :wave:

  • 3 weeks later...
  • 1 month later...

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

    • So, good news and bad news Bad news first: The intake plenum is lost in the mail apparently, I haven't paid for it yet, and MX5 Mania are still chasing it up, farking 'Merica postal service  Good news: Any retune will be free if and when it turns up,  I'm still keen for them to throw it on The car goes noticeably better, with only the typical initial take off thingie from a choppy cam and manual transmission, but giving it just a little more RPM than before gives it a smooth take off (and hour or so of peak hour traffic sorted that little skill out) Car made around 145kwatw & 225Nm (Intake may get me to 150kw, maybe....馃ぃ) Weirdly, 145kwatw is the same max power that my standard 2015 WRX STI made a few years ago The cam really comes alive from around 3.5k and keeps making power and holds it flatish all the way to 7k, whereas before torque would drop hard around at 4.5k Drive home was sadly in peak hour, although I did get a little clean air here and there to wind out 1st and 2nd a little bit, and whilst the gains aren't anything for the "boosted boys" to be impressed at, the thing is a blast to drive The sound in the vid is poor, as it is in a undercover yard at work, but, outside, in the wild, it sounds awesomeballs to my ears with all the choppyness I consider it money very well spent for the outcome  Cam specs for reference (Basically the biggest you can fit with stock pistons) 20250417_171807.mp4   LOL, I don't think I will ever grow up  
    • Swap the injectors around and see what happens. If the misfire follows the injectors then that's a signal, if it doesn't it's probably not the injectors.
    • R33 with RB26 seems to go off of learned voltage for idle. Seemed like whatever the baseline voltage was once ECU first gains power will be the idle voltage. With ignition on unplug/replugging the TPS would relearn the idle TPS voltage.
    • Have you confirmed the 2 pin coolant temp sensor on the motor is working properly? I've had a very similar issue when I forgot to plug mine back in many years ago.
    • Ok interesting i guess ill wait till using a manual gauge before making assumptions.
  • Create New...