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Discussion Starter #1
Just wondering what tune and what gains some are getting using the predator. I get bad pinging with the performance and 91 tune, didn't seem to have much torque either.Due to the ping I don't know how it would have run upwards of 5000 rpm but till that point the stock tune would romp it. I guess I'll try the 87, are all the predator tunes supposed to be better than factory tune? I'm running 93 octane, all stock 05GT. I just tried 100 shot of nitrous with colder plugs and stock tune, no ping noticed at all like that.
 

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Don't know my man... any octane tune should be PERFECT!

You sure you have stock aplication tunes in you tuner?

For/whit NOS there will be a totally different tune!
 

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I just did the 87 Octane last week and do feel a difference in the throttle pickup and I went to the track friday night here in Vegas and had better speed about 8 mph faster. Running 97-100 instead 0f 93-96 mph. My tank is almost empty and I am going to do one of the higher octane tunes.


You will get knocking if u use a higher octane tune with the lower octane gas.
 

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Good point speco... prem1, make sure you have the fuel you're tuning for in the car from the get go! Also, prem1, where did you find AM sparkplugs?
 

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Discussion Starter #5
Got the plugs from sparkplugs.com HT0. I've been running 93 octane, from a couple different stores. I back the timing down on the 91 tune today, seems to work fine like that. Kind of a pisser though, going from the bottle to normal aspirated.
 
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