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Old 03-07-2011, 12:47 PM   #4 (permalink)
old blue
EcoModding Lurker
 
Join Date: Jan 2011
Location: oregon
Posts: 13

old blue - '98 chevy metro lsi
90 day: 39.79 mpg (US)
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so by shrouding both,they would both see less oxygen then adjust fuel to get back to proper ratio but readings shrouded (leaner).
i currently have a computerchip on the iat sensor (warmer reading)
50% blocked iac port (to lower high idle)
still want to put in hotter thermostat
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