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Hi everyone I've been on here a while but never made a post. I have a 02 Z28 that I recently finished doing full exhaust and a Tsp cam kit on. I am getting ready to install the plate kit from nitrous outlet using their winmax window switch as a controller. I have hptuners so I am not looking to use the LNC-2000. I have read here that some people are using a certain pin from the PCM to trigger their timing retard through hptuners? My question is can I just create a seperate tune file for when I am going to be spraying the car? I don't really need an "on the fly" way of pulling timing as I'll only be spraying the car while at the track and therefore would just run the NA tune for street duty. If I was just to create an identical tune but with timing pulled from say 3500rpm on would this still be a reliable way while spraying nitrous?
So, you can either trick the IAT or ECT tables.. But with the fbodies, you can ground out the TSC signal and basically activate timing based corrections using traction control.
You would set a toggle switch or relay trigger off of your arming switch for the nitrous to ground pin 53 on the red pcm connector. Once it grounds that circuit out, then it will rely on this table shown below to retard timing.
Now, there is a timer for this system which is below on the main page below. The max timer setting is 5s stock, you would need to set that to 410s which is max for the system, assuming you wouldn't need the nitrous to be on for almost 7 minutes.
sorry if I wasn't clear in my question. But what if I wanted to bypass this method and just pull the timing from the main spark table? i.e. having two different tunes and reflashing when wanting to spray. Laptop stays in the car for the most part for datalogging purposes so it wouldn't be much of a hassle to reflash. I'm trying to avoid the TCS Method and IAT method.
sorry if I wasn't clear in my question. But what if I wanted to bypass this method and just pull the timing from the main spark table? i.e. having two different tunes and reflashing when wanting to spray. Laptop stays in the car for the most part for datalogging purposes so it wouldn't be much of a hassle to reflash. I'm trying to avoid the TCS Method and IAT method.
you can have one time for NA AND ONE FOR nitrous.
what folks are giving you is a way to have both without reflashing
grab your NA tune, change the main timing tables and that is it for the most part. now you have a nitrous tune.
( I am way oversimplifying this btw)
you can have one time for NA AND ONE FOR nitrous.
what folks are giving you is a way to have both without reflashing
grab your NA tune, change the main timing tables and that is it for the most part. now you have a nitrous tune.
( I am way oversimplifying this btw)
okay great, what other things might I be looking to change for the nitrous tune? Car does have a wideband installed and I'll be looking to target around 12:5 ish? Going to start with 100 shot.
Sorry for the noob questions just want to make sure I cover all my bases.
sorry if I wasn't clear in my question. But what if I wanted to bypass this method and just pull the timing from the main spark table? i.e. having two different tunes and reflashing when wanting to spray. Laptop stays in the car for the most part for datalogging purposes so it wouldn't be much of a hassle to reflash. I'm trying to avoid the TCS Method and IAT method.
My bad, yes you can absolutely pull it just out of the main spark tables.
I wound up selling my LNC 2000. Didn't like the wires in the engine bay and was told that it can fail and that it can't be logged as well as the HP tuners method.
Did that for 2 seasons, no troubles. I had a different timing curve for na and nos that a simple blanket retard won't do. I had to change my shift points for on the nitrous as well
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Pulling timing via HPTuners 
