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Thread: Math Channel Sticky Thread

  1. #21

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    Well that's not smart. All of the information is there, just need a way to compile it.

  2. #22

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    I'm using a 4L80E and there is "Input Shaft Speed" on 4L80E, but no Output Shaft. I only have [Speed], which shows as MPH. I used this to convert MPH to driveshaft RPM.
    ([Speed]/60)*(5280/((27.7*3.14159)/12))*3.70
    27.7 is my tire height as it's entered in "Tire Diameter" in the ECU, and 3.70 is my axle ratio. If there was an easier way, please let me know. LOL.

  3. #23

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    I'm using a MAP sensor to datalog pan vacuum. Is there a formula I can use for a math channel to convert it to inHg? I've searched and have found converters, but not a formula. It seams it's not linear so that may be the/a problem.

  4. #24
    Join Date
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    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS T/W 11R 205 heads, 232°-244° duration/.623" lift/114° LSA camshaft, 12:1 C/R, TFS R-Series FTI ported intake, BBK 80mm T/B, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, -6AN fuel system plumbing, Walbro 255 LPH pump, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/3000 RPM converter, B&M Hammer shifter, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.

  5. #25

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    Thank You Danny. I tried searching that, but I didn't find it. My searching skills must be in line with my tuning skills.

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