Walsh says some early TKOs used two … T56 Magnum. To me the biggest factors are cost and the high rpm shifting. The new Tremec TKX five-speed manual transmission is a new evolution of the five-speed that is built to take today's power outputs and RPM requirements. Delivered 7/1/09, Scared s- … for now until i get the car on the road and running the way i like it. Silver Sport Transmissions offers TREMEC T-5, TKO, TR-4050, Magnum, Magnum-F, and Magnum-XL 5 & 6-Speeds as well as A41 and A41X 4-Speed Automatic conversion kits for classic cars, trucks, street rods, 4WDs, and select imports. Option 2: ~3k for T56 with hydraulic clutch Pros: Hydraulic clutch may not make my leg hurt in stop go traffic. I don't have a motor yet but I'm fairly certain I'm going with a new LS3. Foxbody T5 Transmission Limits Ford introduced the Borg-Warner made T5 transmission into the Mustang line up for 1983. t56. The six speed gives me a few more options when cruising. GTO seats front and back 600,000 plus miles. i always thought the 6 gears was for MPG issue. Please note: Some people on other boards think a TKO 500 is a 5 speed and a TKO 600 is a 6 speed which as most of you in this Forum know they are both 5 speeds but not everyone may know that so I wanted to make that clear. I am saving my money and i am about 900 shy of getting a new magnum trans. This tends to be suitable for the vast majority of 4-to-5-speed conversions. If you have around that size cam or less, it should be capable of pulling the car along in 6th unless something is wrong or out of tune. Whereas in a stock configuration the TKO doesn't like this much. Curious to get your view on whether I should go with the 5 speed or 6 speed for my 66 Nova. Save Share. This is the 1-2 fork with three pads while the Fifth gear fork uses only two. but i am working out the details now for the tko to see what we can come up with as far as a price shipped to me would be. tell me what you guys think about what i have come up with for my pros and cons. I had a LT1 style T56 before and was not really happy with the setup. JavaScript is disabled. Mid and front shift kits available. FORD TKX; GM TKX; 6-Speed Transmissions. T56 is a six speed, made by Borg Warner. pros: very little to cut for trans tunnel, can still use the factory gauge cluster, use a factory style shifter, only 100 punds. Also, I had a WS6 trans am T56. tko. I've driven this heavy car thousands of miles and gotten right around 20 mpg while doing so. With a little work, you can use a stock consol and hurst shifter. Multiple shifter locations can be done. Lots of talk about cutting for a TKO, but they advertise this as a no-cutting necessary option. i just want whats the easiest to use and whats the best route for standard driving. Nothing beats a nice M6 setup. But I am looking at about 2,200 for the transmission, 400-500 hundred for a clutch and at least 300 on a fly wheel(new crank is 8 bolt) So that puts me around 2900.00 Plus whatever odds and ends cost I'm forgetting plus shipping. ~20mpg. Get the taller first gear ratio in the TKO 600. I've thought about it a little, maybe my opinions can help. for now until i get the car on the road and running the way i like it. Ford TREMEC TKO 500 / 600 5-SPEED; GM TREMEC TKO 500 / 600 5-SPEED; TKX. tko 600 vs T56; If this is your first visit, be sure to check out the FAQ by clicking the link above. 1967 Camaro SS/RS 3496 Convertible 4-Speed L78-M20. We'll, having had both, I LOVE the t-56 Magnum. a lot if I am right around that speed in traffic or in town. I am sure engineers (likely a small army of them) in Detroit spent hours and hours doing testing a choose to use a 6 speed manual transmission. does that help any? I don't see a use for the 6th gear. Another thing about the T56 is that the crossmember needs to be relocated for the T56. here is all i can think of, I guess I am looking at it like if you are going through the trouble of switching over cutting a little more from the tunnel aint that big of a deal. pros: for stock its very strong and can handle the abuse, 6 gears. With the T56 you will most likely need to go with a Hydraulic clutch setup which can be costly and some have issues with it. thanks ron i am doing a chevelle as you know and i have 4.10 rear gears. The cost differential based on my most recent info is about $500 between the T56 and TKO 600 so it not a major deal breaker. I'm planning on going with a TKO 500 from Keisler. Also, what is said about the 4th/5th spread is true. It'll save a couple feet of weld. :thumbsup: This being my first GM car I was a little in the dark with things and figured if I need to cut the floor for both boxes it was best to go T56 magnum and not have to rethink the swap later. I was between the TKO and the T56 also before I chose the Magnum. and i also want to see what are the pros and cons. Bowler Performance Transmissions is excited to announce the release of our new line of custom off-set shifters for the Tremec T56 Magnum and TKO 500/600 transmissions. Jim SPF 2932, Indigo Blue with Viper Steel Gray Stripes, Lykin's Motorsports 438 Motor, 535hp, 560 torque, Gordon's Super Alloy T-5 tranny. So unless you want to change your rear gear and do some crossmember work stay with a TKO. Tremec TKO 500 – $2,595 Click here for more information on Tremec TKO Transmissions. 5th for highway, 6th for interstate! If you do alot of around-town or back roads, you will appreciate the .80 5th of the T-56. Notice how the TKO-500 and the Richmond have a nearly identical 1st gear ratio, but the 5th gear ratios are considerably different. I am also starting to doubt myself about putting the lq9 in my chevelle so. As you know the TKO 500/600 is a 5 speed, made by Tremec. It's perfectly comfortable around 1500 rpm in 6th on the freeway (around 65-70 mph). For a better experience, please enable JavaScript in your browser before proceeding. I went with a T56 magnum and love it. When comparing the GV VS TKO, for the TKO you need to add in the cost of a new clutch, flywheel, bell housing, dust plate, adapter plate(if using the top loader bell), fork, clutch pedal, cable or master, slave and plumbing, shifter, x member, speedo cable and gears plus all the hardware. Not sure if that is true or not other than cutting the hole out for the shifter unless you already have a manual.