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Thread: TCC Lock/Unlock Table

  1. Default TCC Lock/Unlock Table

    I have two questions:
    #1 These are my TCC settings and it works as intended when driving the vehicle (I can feel the TCC lock and the RPM drop).
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    I datalogged traveling at a constant 73 MPH in 4th gear with TCC locked, but this table doesn't match. The overlayed on this table doesn't match. Can anyone tell me what this table does or is used for?
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    #2 I'm looking into a minor issue where the transmission temperature at 50 MPH stays around 190°F, but slowly rises to 200°F at 70-ish MPH and drops back down to 190°F if I slow back down to 50 MPH. Freshly rebuilt 4L80E with new Boss Hog Night Stalker 2500 RPM stall converter. Should engine RPM & Input Shaft speed match when the torque converter is locked?
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    Any input would be greatly appreciated. Thanks.
    1984 Chevrolet Custom Deluxe Shortbox. 6.0L LS, 4L80E, 2500 RPM stall, 700R4, 3.73 Detroit Truetrac.

  2. #2
    Join Date
    Dec 2009


    Quote Originally Posted by marcmielhausen1971 View Post
    Can anyone tell me what this table does or is used for?
    Terminator X EFI Software Help Information/Instructions:
    ‒ On the top Toolbar, click "Help" & "Contents". This opens all Help topics.
    ‒ When navigating the Terminator X EFI software, click "Help ?" or the F1 key.
    ...This automatically opens the definitions for that specific parameter.
    Attachment 9346 (Terminator X Tuning & Datalog View Software User Manual) (Terminator X Handheld Tuning & Reference Manual) (Terminator X Installation & Tuning Manual)
    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, Holley Dominator MPFI & DIS, 36-1 crank trigger, 1x cam sync, 200A 3G alternator, Optima Red battery, R134a A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans, Frostbite 3-core 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, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio AOD, 3000 RPM converter, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, 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.

  3. Default

    Thanks Danny, but I read that before posting (knowing that you'd post another link to the manuals). None of the manuals tell me what this table does when it conflicts with the TCC Parameters settings. According to my datalog, 23% TPS in 4th gear is 73 MPH, but this table says it's between 51-56 MPH locked. Does that mean the TCC is actually unlocked because this table is a modifier?

  4. #4
    Join Date
    Nov 2014
    Ont. Canada


    Your fist pic tells you the minimums need before your TCC will lock up, the second pic tells you when the TCC will actually lock up after the minimums have been meet. Using your example, at 23% throttle and any speed above about 53 MPH your TCC will be locked up.

  5. Default

    OK, that makes sense. Thank you.
    1984 Chevrolet Custom Deluxe Shortbox. 6.0L LS, 4L80E, 2500 RPM stall, 700R4, 3.73 Detroit Truetrac.

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