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Message: [QUOTE="CATDiezel, post: 1422189, member: 4387"] Ambient air temp. Humidity. Elevation. There is 1000 different scenarios off the top of my head. Fuel quality.... now were at 10,000 scenarios! Lol. If there was a way to run a static table that would be great.... until you drive anywhere outside your normal parameter of territory or seasons changed. For the record mine works fine. Just tired of seeing a check engine light every other day. Fwiw.... a few quick calculations show that the speed of the air moving in a pipe with a ID of 4" to 5" is roughly 55% slower than factory sized piping. I used both 600cfm and 1000cfm for the calculation. So with NL 5" pipe the air is moving 55% slower (calculated in ft/sec) than stock pipe. These same calculators are used in natural gas pipeline velocity factors and extreme precise measurement devices to calculate how much gas is being delivered to another pipeline. Then gets even more precise from ultra sonic metering. If the tuners would use that as a baseline number (not sure if they are or not) it may change things happily. Maybe someone could experiment with that. [/QUOTE]

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