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Setting up my NOS

This is a discussion on Setting up my NOS within the Nitrous forums, part of the LSx Technical Help Section category; My Nos says to run colder plugs and to back my timeing off for my bigger shots. I have a ...

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    Setting up my NOS

    My Nos says to run colder plugs and to back my timeing off for my bigger shots. I have a 2000 Z28 but I can not info on plugs temps and numbers and I have a DiabloSport Predator programer but no one can tell me what% to back off my timming a WOT am all ears guys.

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    Senior Member Danger731's Avatar
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    1 degree per 100 shot

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    Car RamRod 98Camarod's Avatar
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    Autolite 103's, NGK TR6's, these plugs are colder than stock. You can get a timing tuner to take the timing out only when the nitrous is activated. This is so it does not interfere with the n/a tune.

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Txyoungguns View Post
    My Nos says to run colder plugs and to back my timeing off for my bigger shots. I have a 2000 Z28 but I can not info on plugs temps and numbers and I have a DiabloSport Predator programer but no one can tell me what% to back off my timming a WOT am all ears guys.
    How much do you plan on spraying......? Also what fuel pump and are you running a adj. regulator or is it all stock...?
    If it's a wet kit you can get away with a 100 all day with "stock" timing....... If you have the Diablo tune it already advanced your timing so be carefull there!!!
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

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    NOS Tuning

    I am running a stock fuel pump. I have changed the timing back at WOT by what it says 2%. Running jets 34 fuel and 54 N2O for a 125 shot.

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    Quote Originally Posted by 98Camarod View Post
    Autolite 103's, NGK TR6's, these plugs are colder than stock. You can get a timing tuner to take the timing out only when the nitrous is activated. This is so it does not interfere with the n/a tune.
    I agree with the timing tuner, I love mine, very easy to install and works like a charm.

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Txyoungguns View Post
    I am running a stock fuel pump. I have changed the timing back at WOT by what it says 2%. Running jets 34 fuel and 54 N2O for a 125 shot.
    2% is alot for only 125 shot......Let's say it had 38* total that means your pulling 7.6* out which is way more than you need to!!! 1% would be fine. You don't know what your fuel pressures at....?

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    Senior Member mrr23's Avatar
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    Quote Originally Posted by LS2Tuner View Post
    2% is alot for only 125 shot......Let's say it had 38* total that means your pulling 7.6* out which is way more than you need to!!! 1% would be fine. You don't know what your fuel pressures at....?
    maybe my math is off, but 2% is only .76*. 20% is 7.6*

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by mrr23 View Post
    maybe my math is off, but 2% is only .76*. 20% is 7.6*
    Your right....... I was thinking 20% in my head all the early Predators I used were 10%,15%,& 20% ect. for timing adjustments.
    But it has been years since I used one on a pcm that old they are good with coming up with updates to download from there site.

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    trafficKING sobaka79's Avatar
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    Quote Originally Posted by 98Camarod View Post
    Autolite 103's, NGK TR6's, these plugs are colder than stock. You can get a timing tuner to take the timing out only when the nitrous is activated. This is so it does not interfere with the n/a tune.
    i dont know anything about timing tuners, can you give me a suggestion or point me in the right direction? i have a tune that i want to keep except under nos

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    Car RamRod 98Camarod's Avatar
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    Harris Speed Works sells them, on their site go to Nitrous controllers, and pick window switches and timing tuners, they are $250. Many places sell them, but HSW has top notch customer service.

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    So if I am reading this right my stock timeing is 38* and I need to get 2* @WOT reterted. So what % do I need to back off my timing my math really sucks. I have steped up to a high flow fuel pump w/pressure guage in a piller pod.

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    Senior Member mrr23's Avatar
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    38* x 5% (.05) = 1.9* so, in your handheld select -5%.

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    Quote Originally Posted by andy670ho View Post
    I agree with the timing tuner, I love mine, very easy to install and works like a charm.
    where can you get it? I havent been able to find one

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    Car RamRod 98Camarod's Avatar
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    Harris Speed Works has one.

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    You can also try to use iridium plugs, work like a charm

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