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Just picked up my R33 S2 on the weekend from a long distance purchase and the seller did not mention this item was in the car at all, I was all for ripping it out thinking it was only for people who could not change gears at the right time, untill I read this thread :whistling:

What a cool device.....

Unfortunately for me it did not come with any destructions, can anyone point me to a Website that has a downloadable User manual? If not, can anyone upload a scanned copy of there's? That would be appreciated, or even a basic instruction of use? I'd really like to get the launch control sussed.

Cheers

Its pretty simple to use dude. You have the two settings, REV1 and REV2. REV1 is your normal rev limiter so you set that to what you want it to be and leave it (obviously this needs to be a few hundred RPM less than your factory limiter). As its a pretty basic design you will need to use trial and error to find the correct adjustment for the setting. REV2 is your launch rev limiter (ie only active when your handbrake is up, assuming they connected the switch) so you set this to a nice sweet torquey spot in the rev range.

Gain is just the frequency of the cuts...no idea which way is which but one will be long loud bangs and the other short sweet pops.

ps, Im not 100% if I got the two settings the right way away, ie REV1 could be launch limiter and REV2 could be normal...you will figure it out.

I'm currently getting one of these fitted in my car and of course no instruction so i've done a bit of research for the r33 rb25

i'm about 95% sure i've got it figured

okay here goes:

ECU ____________________ Bee*R

pin 41(green/black) - yellow wire cas 120 signal

pin 42(green/yellow) - green wire cas 1 signal

pin 49(white) - red wire 12v

pin 50(black) - black wire (earth)

the white wire is for the second limiter and is commonly put to the hand brake

Red wire: 12V+

Black wire: Earth

Yellow wire: RPM Signal

Green wire: Ignition signal

now I've concluded to this from scrolling through the several japanese instructions and comparing it back to the r33 rb25 workshop

post-21949-1182419685_thumb.jpg

now if i've got anything wrong please let me know

cheers

Edited by Darkon

I'll be hooking up a switch to the clutch pedal to allow launch control and flat shift ability.

IE. When you hit the clutch, the Rev-Limiter drops spark to attempt to go back to say 4500rpm......

Keep right foot on loud pedal.

Change gear, drop clutch and bang, off you go again.

I've driven an R34 GTR with this set up through the Motec and the changes are so smooth you wouldn't believe it. and Lightening fast.

Has anybody actually had theirs fitted and is it working?

I had a look at the little dials, and it has numbers around the base, and the dial keeps clicking around.

How accurate can you get the rev limit point?

How many RPM between each click..... ?

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