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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 09-29-2011, 05:23 PM   #1
ss/rs-matt

 
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Tuning for CAI?

I have a LS3 with a K&N CAI. I just bought a used diablosport predator from another member. Do I need to do any special tuning for the CAI?
Thanks
Matt
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Old 09-29-2011, 05:29 PM   #2
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nope just run the performance tune that is pre programmed. to tune better, you really need at to be professionally done
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Old 09-29-2011, 09:21 PM   #3
ss/rs-matt

 
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I thought I read somewhere that the cai messes up the fuel settings??
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Old 09-29-2011, 09:40 PM   #4
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Quote:
Originally Posted by ss/rs-matt View Post
I thought I read somewhere that the cai messes up the fuel settings??
No, the computer relearns the air to fuel ratio. You're fine. You don't even need to tune the car if you've only got a CAI.
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Old 09-29-2011, 09:47 PM   #5
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Ok, dumb question then...why would I ever need a tune if the computer relearns? For example, if I put on long tubes shouldn't the computer relearn? Excuse my ignorance...just trying to understand.
Thanks!
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Old 09-29-2011, 10:01 PM   #6
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Get a custom tune.
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Old 09-29-2011, 10:40 PM   #7
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I learned my lesson. Anytime you add something...update your tune. I added a Vmaxx TB to my Modded LS3 with headers and cam and it changed the AFRs and dropped the RWHP on the dyno 30 hp!!! Just do it!
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Old 09-29-2011, 11:25 PM   #8
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One reason I choose the predator was because there is a local CMR tuner who can write a custom tune for me. That is in the future.

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