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Message: <blockquote data-quote="shovel" data-source="post: 1589930" data-attributes="member: 29855">You're going to absolutely not want to fool around with using the OEM computer, plan to have that aftermarket ECU in it right up front.  Any effort or money you put into working around the stock ECU won't work how you want and will be wasted when you inevitably go to the aftermarket ECU.We worked with the OEM computer decades ago because it was the only choice,  stuff like today's Holley (and aces and stinger and megasquirt etc) didn't exist so add-on chips were the only option.   Not a limitation anymore in 2026.   Ditching the MAF is a nice little bonus too.</blockquote>