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Cobra Forums
The Terminator
Engine/Tuning
dyno chart and a/f questions.
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<blockquote data-quote="Cobra-21" data-source="post: 11564802" data-attributes="member: 26365"><p>Were both the dyno sessions at the same shop? Similar weather/temp/humidity? Both sessions use a tailpipe sniffer, or o2 bung? All these variables can affect your numbers. If everything's the same except some simple mods then the tuner should be able to get your air fuel fixed up. The first graph was nearly perfect with 11.7's across the board. I'm surprised that the new tune was leaner and still made the same HP.</p><p></p><p>If you're tires are spinning on the dyno rollers, get someone to sit in the trunk during the run.</p></blockquote><p></p>
[QUOTE="Cobra-21, post: 11564802, member: 26365"] Were both the dyno sessions at the same shop? Similar weather/temp/humidity? Both sessions use a tailpipe sniffer, or o2 bung? All these variables can affect your numbers. If everything's the same except some simple mods then the tuner should be able to get your air fuel fixed up. The first graph was nearly perfect with 11.7's across the board. I'm surprised that the new tune was leaner and still made the same HP. If you're tires are spinning on the dyno rollers, get someone to sit in the trunk during the run. [/QUOTE]
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dyno chart and a/f questions.
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