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MAFT question: What's a good base line setting after installing Long Tube Headers?

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Old Jul 5, 2002 | 08:27 AM
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99 Black Bird T/A's Avatar
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Default MAFT question: What's a good base line setting after installing Long Tube Headers?

MAFT question: What's a good base line setting after installing Long Tube Headers?

I know it will vary some car to car, but in general where a good place to start?

5% or 10% lean on Base? What about WOT?
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Old Jul 5, 2002 | 03:24 PM
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Default Re: MAFT question: What's a good base line setting after installing Long Tube Headers?

you need atap or a wideband....otherwise you are pissing in the wind....don't forget to get your idle cruise ltrims right first as this affects WOT
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Old Jul 5, 2002 | 05:35 PM
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Default Re: MAFT question: What's a good base line setting after installing Long Tube Headers?

In other words to install headers, I'm going to have to have Atap.
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Old Jul 5, 2002 | 06:19 PM
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Default Re: MAFT question: What's a good base line setting after installing Long Tube Headers?

99 Start with BASE at +10% put 25 miles on the car with that setting !

Then atap and watch your l trims !

Do not adjust your WOT till U have your l trims dialed in !

Then the best bet is to tune your O2's or WOT on a chasis dyno using the wideband meter ! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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