ich running after "hot cam" install in 93Z
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ich running after "hot cam" install in 93Z
Has anyone else had a similar problem? Very rich! Short term fuel in the area of 98 to 108! O2's 200 to700mv. long term fuel at 112 to 118. Vacuum at idle at 15.5". Also very rich at crusing speed. GM Hot Cam with 1.6 RR and LT4 springs, adjustable fuel pressure regulator, now set at 42Lbs. New Opti spark new gears and chain. MUCH POWER at WOT but almost unpleasant to drive around town. Can anyone help? Other mods include plugs and wires,CAI, and air foil. 93Z Ted
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