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Re-Tune After LT Headers?

   
Old 08-16-2014, 04:41 PM
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Murder_C5
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Default Re-Tune After LT Headers?
Need help a friend of mine asked me & I'm unsure what is 100% correct.
Is a Re-tune a must after a LT header install? I know to get the most power gain it is, but the concern is for engine safety.
I know this may sound dumb, could it cause a lean condition w/out re-tune?
Thanks for any input/help.

01' MN6 w/ Novi 1500, I think around 6-7psi.
Last edited by Murder_C5; 08-16-2014 at 04:56 PM. Reason: Car info added.
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Old 08-16-2014, 04:52 PM
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aaronc7
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In this on a boosted car, or otherwise stock/NA?
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Old 08-16-2014, 04:56 PM
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Murder_C5
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Fixed the info.
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Old 08-16-2014, 05:03 PM
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NukeC5
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I think it is necessary. Especially with boost. It becomes more necessary for fine tuning.
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Old 08-16-2014, 07:24 PM
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What are the problems one could see running LT headers w/out Re-Tuning?
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Old 08-17-2014, 12:28 PM
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corvettebob1
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Originally Posted by Murder_C5
What are the problems one could see running LT headers w/out Re-Tuning?
Not much, it'll just go lean up top....
Get the retune it's worth it's weight in gold........
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Old 08-17-2014, 12:56 PM
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Being FI I would definitely do it- it has the potential to mess up WOT AFRs, which is very important with FI and stock motor.
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Old 08-17-2014, 02:01 PM
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I would deft.do a retune as it will help out across the whole board, plus its not worth braking something
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