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speed density questions

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Old 09-09-2008, 07:54 PM
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Default speed density questions

i have a car that is tuned on open loop speed density.....meaning no maf or oxygen sensors....i am installing a nitrous express kit soon and am needing info on a tune.....
can i do anything with a predator tuner as far as adding timing for the n2o when i spray it......or can i even use that tuner on a speed density tune??
what should i do...
Old 09-12-2008, 01:47 PM
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You should be pulling timing when spraying N20 not adding it !!!

Also no , i don't think you can use the predator with the SD tune unless u get a custom tune from a CMR dealer.
Old 09-12-2008, 06:36 PM
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the preditor wont do jack. when u go Speed Denisty it Relies on your secondary VE table and your LOW Octang Spark table. you need hp tunners , or something like that to tune it.




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