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09-24-2002, 08:16 AM
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#9 |
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or '331 LX Eric'
Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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Good comments from ultraflo.
Also, someone mentioned the long-tube header/O2 sensor issue. I've seen this a few times and I think the surging idle comes from the fact that the O2's are too far down the pipes which causes them not to heat up enough and take proper readings? Just a guess. I've got shorties so my O2's are right were they are supposed to be - no issues. Definitely make sure that TPS is around .95-.97 or so - it will make a big difference w/idle. E
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1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60' |
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