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I have a Pro-Flow MAFS and I need to get it recalibrated for my mods (I bought it used). What are my options?

I just found out I live less than 30 minutes from Pro-M, and could take it there, but they want $100 to recalibrate it.

Soon, I will be getting a chip. Can I get a custom burn that will recalibrate the MAFS? Will it reset the MAFS correctly, or will I still need to calibrate the MAFS? I will be getting a custom chip regardless, so maybe this is the best way?

Let me know what my best option is, recalibrate, chip, or both (hopefully not both).
 

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I have an 80mm Ford MAF from a Lightning Truck, 24# injectors, and a chip that was burned with that MAF transfer curve. The burn also contained the new injector size. By the way, the MAF was $110.00 from my Local Ford dealer and it's even cheaper online. They took my Focus MAF as a return on the core.

When you already have a MAF an want it set up for your car, then Tom's way is the least expensive route to go.
 
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