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Re: 85 Corvette, TPI, runs rich
Oh lord did I just get my butt kicked on one of these. I
had 4% Co and 1500ppmish HC. Mine kept putting the CO back
to that 4% if I richened or leaned it. Wound up having a
hollow second cat. New aftermarket cat brought emissions
down to .10% CO and 10ppm. 
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