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SVTPerformance's Chain of Restaurants
Tuning À la carte
Stoichometric / Fuel Table
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<blockquote data-quote="stang910" data-source="post: 16600289" data-attributes="member: 103203"><p>Your going to melt a piston tuning in stoich. Once the stoich is set in the tune let the PCM do the math. Forget stoich AFR readings and tune in lambda. Running leaner than .82 lambda on a FI/pump gas setup probably won't end well. 0.80 lambda is a good number to be at.</p><p></p><p>So your aware, your AFR gauge reads in lambda and converts to whatever its set for. If you change your lambda to .83 your AFR gauge will read 12.2 and not the 11.7 you think it should read. You can switch to a 9.85 stoich in the tune, but your AFR gauge is still going to read the same numbers unless you change the stoich in the gauge as well.</p></blockquote><p></p>
[QUOTE="stang910, post: 16600289, member: 103203"] Your going to melt a piston tuning in stoich. Once the stoich is set in the tune let the PCM do the math. Forget stoich AFR readings and tune in lambda. Running leaner than .82 lambda on a FI/pump gas setup probably won't end well. 0.80 lambda is a good number to be at. So your aware, your AFR gauge reads in lambda and converts to whatever its set for. If you change your lambda to .83 your AFR gauge will read 12.2 and not the 11.7 you think it should read. You can switch to a 9.85 stoich in the tune, but your AFR gauge is still going to read the same numbers unless you change the stoich in the gauge as well. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Stoichometric / Fuel Table
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