Tremec TKO vs. T-56 Transmission - Ford Mustang Forums : Corral.net Mustang Forum
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Old 02-05-2005, 01:08 PM   #1
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TKO vs. T56

What are the pros and cons of each transmission? Both seem to be rated at 600 ft. lbs., so why buy the T56 over the TKO? Are there any other transmissions out there to look at?

TKO - "Tremec claims that prototypes have been successfully drag tested at 600 lb-ft engine torque."

T56 - "650 lb-ft Torque Capacity"
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Old 02-05-2005, 01:19 PM   #2
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well if im correct isnt the T56 a 6 speed transmission otherwise they are both pretty good transmissions just depending on what gear ratios you want between the TKO 500 and 600 i believe they have different gear ratios to choose when buying..
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Old 02-05-2005, 01:55 PM   #3
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Yes, the T-56 is a 6-speed transmission. The Viper T-56 has a .50 overdrive 6th gear, so you can run a 4.11 (4.10 in my 9" differential) drag racing gear (or higher) if you'd like and still be able to cruise on the highway at low rpms.

Here's a handy calculator that, by default, uses the Viper gears: http://www.geocities.com/z_design_st...ion_z28_6.html
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Old 02-05-2005, 02:40 PM   #4
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If you have money, go with the T-56

I hardly ever use the 5th gear in my TKO, but I don't drive on the freeway much. Do you want/need the 6th gear?
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Old 02-05-2005, 05:46 PM   #5
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So a TKO is a pretty good transmission if you're looking for a 5-speed to hold a lot of power?
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Old 02-05-2005, 06:48 PM   #6
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The TKO is basically the best 5 speed you can get. They have a newer even better version out now, the TKO 500 and 600.
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Old 02-05-2005, 07:01 PM   #7
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the t-56 swap is quite a bit more expensive than the tko swap, for a fox. but if you have the money go for it. the cost outweighs the advantages of the t-56 imo.
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Old 02-05-2005, 09:20 PM   #8
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i have a t-56 and love it but the t-56 weighs a lot more so if your all into racing and weight then go tko 500. both are great and u do not have to change that much. custom cross member $189 from HPM. move speed o cable and lengthin the neutral safety switch wires. also the drive shaft needs to be shortened like 1 1/4 inches
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