Thread: Mass Air or SD
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Old 01-30-2009, 05:38 PM   #3
86GTPONY
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Quote:
Originally Posted by EHardy1971 View Post
It's SD. I think the MAF 2.3's started in '90 or '91,which is when they went to the dual plug heads.
I think it was '91 because Mag's 90 is speed density.
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