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Thread: Tremec t56 vs. TKO 600

  1. #1
    Member TheMole's Avatar
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    Tremec t56 vs. TKO 600

    I've ordered a Type 65 kit and am going through engine and tranny options in advance of the kit arriving. My kit order is for a TKO but now am hearing that it doesn't shift very well and has a low RPM ceiling. I'm planning on finding a Gen 2 Coyote F150 engine for a donor and then modifying it a little (might rev north of 7,000).

    Could you offer some guidance regarding staying with the TKO or switching to a t56?

    Thanks.

  2. #2

    Steve >> aka: GoDadGo
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    Though the TKO is a solid transmission, the T56 is far superior in the shifting department, plus you get that extra gear.
    In addition, since the Type-65 has a 95" wheelbase compared to the MK-4's shorter 90", the T56 is a more viable option in that chassis.
    From my perspective, if you have owned a car with a 6-Speed you'll never want to own a car with a transmission with fewer gears.
    Add in the T56 hydraulic clutch and it sort of seals the deal.

    Good Luck & Hope This Helps!

  3. #3
    Seasoned Citizen NAZ's Avatar
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    The TKO-600 does not like to shift quickly at higher RPM in it's stock form. However, Liberty Gear can modify that and you can actually purchase a TKO trans directly from Liberty already modified (or send yours to them). http://libertysgears.com/our-products/tremec/

    Do you're homework -- the TKO is a good trans but for higher RPM use does need some basic mods to improve shifting. Just depends on how you intend to use your car.
    Dart Little M 406" SBC 800 HP N/A & 1,100 HP on nitrous, 2-spd Powerglide with trans brake, 6,000 RPM stall converter, narrowed Moser 88 3.90:1 spool with 35-spline gun-drilled axles & Torino bearings, custom parallel four-link, custom tube chassis & roll cage NHRA certified for 8.5-sec (only two FFR Hot Rods have this cert).

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