hostagekilla

Well as most of you know, I've been trying to suss out how to wire this rev limiter up for a while now " sorry Coops for constantly pestering you about it "
I've followed the instruction diagram that came with it, compared against the ecu pinout I've sourced for my car.
I finally got it fitted but when the revs hit the limit there's a bang, then the car just stalls and lights up the check engine thingy innit.

I've wired red and black as 12v+ and earth " obviously " then taken the rpm signal from the engine speed sensor as according to the instructions " which works just fine". Then to kill the spark I've wired the green wire to the cam angle sensor+.

Could it be that I have to use the crank angle sensor instead of the cam sensor to kill the spark without stalling the car and engine check lights coming on???

I was gonna try the ignition control to kill the spark, but there's two terminals for this cyl 1+2 and cyl 3+4 and I only have one wire?? If I wired it to one of them, would this stop all four firing or would the other two cylinders keep on firing??

I do appologise for rambling on like a lunatic, but I just want the damn thing to work!!!

Any help or technical advice would be greatly appreciated ; )
Thanks for your time.
RGDS.
Dave.

dunx

iTrader: (3)

Cutting two cylinders may be enough to slow it down...

dunx

P.S. I know you want it to bang, but it's better if you shift just as you approach the limiter, IMHO

hostagekilla

Thanks for the swift reply mate I'll try cutting two cylinders next time I'm in the workshop " probably saturday " In the mean time I'll just disarm it, cos the really strong smell of V power was a bit worrying pmsl.

tweaks

iTrader: (7)

hehe don't try cutting 2 cylinders dave

Tim

hostagekilla

Oh right, so I'm guessing that cutting two cylinders is a bad idea then Tim lol.
I might try swapping the green wire from the cam angle sensor to the crank angle sensor. That might hopefully cause the misfire I'm after without the car stalling and going into limp mode?
If that doesn't work, there's a pin on ecu diagram labeled ignition switch, that one might be the power to the coil pack??
I'll get it working eventually, either that or have a vehicular fire trying

Cheers.
Dave.

mr_D

iTrader: (12)

ummmmm. will the crank sensor actually cause a misfire though?

where do they wire it up on the skyline or the evo and is there not a specific model for the suabru anyway. i know someone else had one fitted but not sure how

hostagekilla

Dunno mate, there's only one way to find out though

mr_D

iTrader: (12)

awwww one of those saying. lol


good luck to you mate. let me know how you get on as i might be interested in this soon

hostagekilla

Well I wikipedia'd crank angle sensor and it says the crank sensor tells the coil when to spark, so I might be onto a winner " hopefully "
If not It's back to the drawing board

tweaks

iTrader: (7)

wiki is correct !!!!

hostagekilla

Ah right, sounds like I'm finally getting somewhere with it. I just hope it doesn't make the car stall or go into limp mode again ect " fingers crossed "
Cheers.
Dave.

tweaks

iTrader: (7)

what i meant Dave is crank angle sensor/crankshaft posistion sensor tells the ecu the posistion of the crankshaft in relation to where top dead centre is.the ecu then knows when to send ignition to the coilpack and then the plugs.
i'm not sure what will happen if you tap into crank pos sensor but i'm thinking all you should be doing is killing the spark at the coil instead of the ecu cutting the fuel as per standard fuelcut/limiter

Tim

hostagekilla

Cheers Tim. I've googled how to fit one and trawled a few forums for knowledge, and quite a few people have used the crank angle sensor to kill the spark! So I'm gonna try it on Saturday morning. If it doesn't work or triggers an engine malfunction, I'll probably just do loads of swearing ect and when I've calmed down a bit I'll try another wire. I'm bound to get it right eventually pmsl.

DaveBeck

iTrader: (12)

Bee*R limiter install - NASIOC

i had one and the bangs were awesome but it ****ed my engine

hostagekilla

Cheers for the link Dave. According to the guy on that thread, I can use the crank sensor or I can solder two wires to the green wire and attach them to the two terminals that control the ignition, but what are the diodes for??

DaveBeck

iTrader: (12)

I'll have a butchers at thread again tomoz. Never added diodes.

sco8bystu

haha

hostagekilla

" YAY " Finally got it working.
I just swapped the green wire from the cam angle sensor+ to the crank angle sensor+ and it works a treat
No flamage yet cos I've not had the exhaust hot enough, but it makes really loud shotgun noises

Thankyou everyone for the tech advice, it's much appreciated

Dave.

tweaks

iTrader: (7)

its about time !!!!!!

well done fella

Tim

sco8bystu

can you set your revs per 500rpm aswell? crank your gain right up for the flames

butlerwrx

got 1 on mine its the nuts mind the turbo lasted about 3 days.

hostagekilla

Yeah, the rev limit can be set in 500 rpm increments, starting at 2500 revs. I've only had the gain up to 5 and set at 4000 revs. I daren't turn it up much more cos I almost blew the exhaust to pieces when it banged It made f*ck£ng crazy noise!!! like a shotgun going off, it's a proper guaranteed head turner pmsl. I don't fancy spitting my impellors out of the back box just yet though

hostagekilla

Your turbo lasted three days Were you proper beasting it or what???
I'm hoping that if I don't rip the **** out of it, I wont break anything
I've read that these things are really popular with the nissan crowd who use them for drifting, and a lot of them have been running them for ages with no ill effects.

sco8bystu

highly tuned engine's and not used for there bangs but for the adjustable limiter to save the engine going pop,,,,so just bang the ***** off it and spit ya baffles out

butlerwrx

when i took my old turbo of 2 have a look the nut on the impellor had come lose but it could just of bin on its way out.

Turbo Tez

iTrader: (8)

hope we get a sample on thursday,

sco8bystu

pop pop bang or **** anyone got the number for the RAC thats what will happen lol

DaveBeck

iTrader: (12)

drive in 2nd/3rd at about 3k rpm. turn it on 2.5krpm and max gain and push accelerator.

The bangs/flames are better than any anti lag. but as said it ****ed my engine

hostagekilla

Oh yes
I'm still experimenting with the settings at the moment, hopefully I'll get it banging nicely without turning my exhaust into shrapnell

SyHightower

iTrader: (1)

just ordered one of these from Latvia, lol
iv a MY97 Turbo and would be gratefull if you could post a photo, or give detailed wiring details

cheers

Si