JLT intake
6/15/12, 09:53 AM
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JLT intake
a friend of mine has a JLT intake that another buddy of mine wants. he would like to know if it is 100% necessary to have it tuned if all he has is the JLT on his '07 GT. i am curious as well i suppose. i have read everywhere on sites that SELL them that you do but i was wondering if anyone had any first hand experience? thanks
6/15/12, 11:50 AM
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Originally Posted by grabberblue 5.0
In order to get the most out of a CAI a tune would be helpful
6/15/12, 11:54 AM
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Fair enough, I don't know too much about 07 CAI, didn't know if JLT required tune or not.
I ran my 11 GT with a Steeda CAI with no tune for a few days and it ran just fine, threw a lean code though
I ran my 11 GT with a Steeda CAI with no tune for a few days and it ran just fine, threw a lean code though
6/15/12, 12:45 PM
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Originally Posted by grabberblue 5.0
Fair enough, I don't know too much about 07 CAI, didn't know if JLT required tune or not.
I ran my 11 GT with a Steeda CAI with no tune for a few days and it ran just fine, threw a lean code though
I ran my 11 GT with a Steeda CAI with no tune for a few days and it ran just fine, threw a lean code though
6/15/12, 12:54 PM
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It's very simple: an after-market intake pulls more air into the engine. If you have more air but are pulling the same amount of fuel in, you run lean. The tune will adjust the fuel intake to match the greater air intake, resulting in -- wait for it -- more horsepower! Oh my gosh! 
So yeah, a tune is needed.
So yeah, a tune is needed.
6/15/12, 01:00 PM
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Originally Posted by BradGT
If it throws a code like that doesn't it, go into some kind of safe mode where it has an extra rich air/fuel ratio
6/15/12, 02:58 PM
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Originally Posted by BradGT
Can you really feel a 10-15 hp loss tho?
6/15/12, 04:36 PM
#11
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Originally Posted by grabberblue 5.0
Well your earlier post said it wouldn't run right at all... Which isnt the least bit true
6/15/12, 04:46 PM
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Originally Posted by Planeswalker
Well he is technically right. The engine threw a code because it was running lean. Running lean can damage the pistons. Seizing up the engine would be considered not running right at all!
6/15/12, 05:34 PM
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Originally Posted by grabberblue 5.0
I understand that all I'm saying is that technically it was still running fine
6/18/12, 12:11 PM
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i was just wondering how it would run and what not. ill just tell him that YES he does need a tune very soon. i mean he drives it about once a week. i knew it would be necessary in the future for sure. thanks!
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