C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

How to add fuel to acceleration enrichment?

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Old 03-26-2014, 08:50 PM
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DanielRicany
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Default How to add fuel to acceleration enrichment?

Hey guys, I have a 1985 Corvette with the 870 ECU and I was wondering how I can add fuel to the acceleration enrichment stuff. Some times when you rev it, it goes pretty lean to 18:1 and back fires. Not every time, but I think there is a sweet spot. It also sort of "misses" when the AFR gets lean when this happens.

Thanks!
Old 03-26-2014, 09:16 PM
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MrWillys
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Originally Posted by DanielRicany
Hey guys, I have a 1985 Corvette with the 870 ECU and I was wondering how I can add fuel to the acceleration enrichment stuff. Some times when you rev it, it goes pretty lean to 18:1 and back fires. Not every time, but I think there is a sweet spot. It also sort of "misses" when the AFR gets lean when this happens.

Thanks!
You should be able to add it in the open loop, and PE tables as well as enrichening the MAF tables



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