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SN95 Cobras
Problem with Tune = Low Hp and High A/F
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<blockquote data-quote="SuperG" data-source="post: 6793681" data-attributes="member: 37969"><p>After 3 attempts, I finally got my '97 on the dynojet and was thoroughly disappointed, although glad to have the results.</p><p></p><p>Car dynoed at 336 Hp, roughly 65 Hp lower than my peers' setups. Worse, though was the a/f was 13.5 across the rpm range!! If I remember correctly, this is too lean for normal operations. BTW, the a/f was taken with the shop's O2 sensors.</p><p></p><p>So...is the tune bad? Could there be something else wrong? Can the tune be erased due to a dead battery?</p><p></p><p>A few thousand miles have turned over since this tune was installed...What kind of neat things happen to an engine that runs lean for a long time?</p><p></p><p>Your comments are greatly appreciated!</p></blockquote><p></p>
[QUOTE="SuperG, post: 6793681, member: 37969"] After 3 attempts, I finally got my '97 on the dynojet and was thoroughly disappointed, although glad to have the results. Car dynoed at 336 Hp, roughly 65 Hp lower than my peers' setups. Worse, though was the a/f was 13.5 across the rpm range!! If I remember correctly, this is too lean for normal operations. BTW, the a/f was taken with the shop's O2 sensors. So...is the tune bad? Could there be something else wrong? Can the tune be erased due to a dead battery? A few thousand miles have turned over since this tune was installed...What kind of neat things happen to an engine that runs lean for a long time? Your comments are greatly appreciated! [/QUOTE]
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Problem with Tune = Low Hp and High A/F
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