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sc1 mpg was 39 for 1998 for some reason 40 all other years.
Yes I had the headers also on the 93 SW2 and 2 inch exhaust.. Had TotalSeal gapless rings. Had a diode on the MAP sensor to advance timing at low rpm. Other than that it was stock. It had some go compared to singe cam saturns. Diode didn't seem to help on sw1, haven't tried it on sc1.
Last edited by arcosine; 01-05-2011 at 09:34 PM..
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