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Discussion Starter #1
I went to get an autologic chip burned today because I added the mods at bottom of my sig. I need a chip so I can drive over to get it tuned on the Dyno. Anyway I told him that I had a Lightning 90MM MAF and he said that there was three different MAF's. I gave him the part # (1L3Z 12B579-AA) and that didn't help. He said that the frequency was different. The choices are 18Mhz, 21Mhz, and 24Mhz. Any help would be great.

Thanks,
Chris
 

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The frequencies listed are the EEC's clock speed and not a difference in the MAF. Your 98 EEC is 21Mhz... so have them use the 21Mhz curve.
 
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