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I am after a suitable ignition retard unit to use on my GTR.

I must be able to:

interface with the nissan CAS/Ignition system

Be able to provide up to -30 retard

can be switched on or off(bypassed) with a switch(clutch and or TPS)

Currently looking at this. Not sure if it will interface ok as yet.

+

http://www.autosportlabs.net/index.php?tit...ration_Software

http://www.autosportlabs.com/megajolt-lite...ption-p-30.html

Currently looking at an anti-lag system, however Knock retard is also posible.

Edited by BOOSTD
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the ones that i can think of are the bee*r limiter box (not sure if this does exactly - i think so)

or the gizzmo launch interface, thats on the apexi site as apexi do gizmo now

that mega jolt box sounds fantastic actually

Well you cant alter the input reference signal by more than about 1 deg in a normal configuration. You may be able to find a device that patches in between the ECU output and the ignition module but it may get messy as its doing the dwell control which will vary at least with rpm. If your at a stage where you want an antilag system then I would be going aftermarket. Autronic SM4 will do anti lag no worries - also has rolling idle to help keep the engine temps down. Also say goodbye to your catalytic converter as well.

Is that the two step launch controll rev limiter?

I did not know it does ignition retard as well...

Do you know if this rev limiter shudders the crank shaft as much as the hard fuel cut ? im a bit worried about breaking something down there.....

gizzmo do a launch controll unit with retard built in. im sure he could give you some idea on what to use. i will pm his number.
Do you know if this rev limiter shudders the crank shaft as much as the hard fuel cut ? I’m a bit worried about breaking something down there.....

True that, assuming your talking about engines here :angry: ... iv heard of more then one N1 oil pump going bust due to bouncing off hard rev limits.

gizzmo do a launch controll unit with retard built in. im sure he could give you some idea on what to use. i will pm his number.

Just talked to RAY.

I can confirm they will be releasing a 2 stage Launch control In feb 08 that includes an upto 40degree retard. All of which displays on the Tach Gauge during programming.

Will be released here first along with there new dash.

http://gizzmousa.com/gizzmo-dash.html

pretty sure the current one does cut ignition and cycles which cylinder it shuts down too

Interested also if crankshaft oil pump drive problems (well known on stock 32 especially)

can be made worse by using one of these as either a limiter at launch or antilag at higher revs

oh so the current one does not do ignition ?

spewin.. il have mine soon.. does anyone know if this limiter shudders the crank really hard?

The current one doesn't do the ignition retard.

I have tried mine with 30degrees retard which=constant backfires and It doesn't show up on my knock meter...promising for the crank.

my engine knocks to 80 every time i hit limiter on medium boost from 15psi to 25psi.... on 30 psi it goes off the charts...

so yeah i cant wait to get this thing..

So no one knows if its a softer cut then the stock hard fuel cut ?

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