Is This MAF or Speed Density

Jun 10, 2002 | 10:35 AM

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Joined: Feb 2002

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From: Chicago, IL.

Is This MAF or Speed Density

I just purchased an entire TPI unit from a 90 corvette. is this MAF or speed density?? How do I tell the difference???

Jun 10, 2002 | 10:51 AM

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Joined: Aug 2001

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From: Orygun

Should be SD

Maf will have a maf sensor

The ecm part number for maf ends with 165, and for SD ends with 730

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