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Thread: 2-Step Rev Limiter on Transbrake

  1. #1

    Default 2-Step Rev Limiter on Transbrake

    I have my Rev Limiter setup at 4000 & 3850 RPM, and set as "soft". Looking at my datalogs, my car is extremely rich while on the 2-Step/transbrake. When I let go of the transbrake, the closed loop kicks in, and it starts recovering. But it takes a little over a second before it gets close, and then overshoots, and has to correct again. My question is, would I be better to try changing the type from "Soft" to "Fuel & Spark"? Or is that not the right way to do it on 2-Step?

  2. #2
    Join Date
    Nov 2013
    Chicago IL


    It's usually best to do a "Spark Only" Rev Limiter while on the transbrake.
    It will always go pig rich on the Rev Limiter.
    The Soft Rev Limiter is best suited for a burnout box limiter or a Main Over-Rev Limiter.
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  3. #3
    Join Date
    Dec 2009


    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.

  4. #4


    ButchB, did you ever figure it out? We had a similar problem at the track yesterday. It seems like it loads up on the transbrake then sputters right off the line.

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