Tko 600 gear ratios 87. 90, 4. 34, 1. The basic design and dimensional specs are the same, but part numbers, torque ratings, applications, and pricing are all changing. 87:1 First gear for those that have a 3. It’s ideal for comparing your vehicle with the existing transmission and what will happen when you change to an off-the-self or customized TREMEC transmission. Its featured Nov 11, 2006 · Trying to decide between the TKO 500 or TKO 600. Dec 26, 2021 · The TKO is purely an aftermarket transmission. 28, and 1:1 first through fourth ratios, the 600 has a nice spread between gears. This makes swapping from TKO to TKX a breeze. 68 5th) (typically year 2004 and earlier) or Tremec 3550/TKO II 5-speed (0. 27 1st gear. 34:1) to Fourth gear (1:1) drops the rpm a touch more than 1,300 rpm. 98, 1. . 64 OD and 3. Aug 28, 2017 · Mike Maida, master technician at Rockland Standard Gear, measures endplay in a new Tremec TKO prior to disassembly. 89, 1. Mar 9, 2015 · I have the 0. 27:1 first, while the 600 has a 2. TKO 600 5th gear ratio Looking at the TKO 600 I notice the M-7003-R58C has a 5th gear ratio of . Remember, "gearing is a Nov 5, 2006 · all tremecs are based on the 3550. of tire-shredding torque. 64) versus the wider ratio of the TKO500 (3. The extra gearing in the rear will not hurt you unless you go too deep. 82 - After a lot of research and trying to keep the auto trans in my BB coupe I've decided that the best way for my build combination is to swap out my TH 400 for a TKO 600 5 speed manual. 68:1 were released during 2004. 36's are a little too tall. Sep 9, 2003 · What rear-end gear ratio to use with a Tremec TKO? Pontiac - Street Sep 26, 2019 · The TKO 5-speed is an early top-loader–style transmission rated for up to 600 lb-ft of torque capacity, and it can be reliably shifted at engine speeds up to 6,200 rpm. 08 final drive ratio. of torque capacity Exceptionally light at just 99 lbs. of torque capacity and Nov 6, 2020 · Check out the images below and the new TKX Gear Ratio Chart…. of torque; the TKO 600 can take on as much as 600 ft. 64 5th gear ratio? Here are the ratios for comparison. -lbs. 87, 1. It was also a pleasure to have a reasonable 1st gear ratio instead of the T-5's nearly useless 3. My car never had that vibration with the T-5. 0, . designed for high performance cars. 72, or . It was designed to improve performance by shifting into higher gear ratios more frequently while maintaining a smooth, comfortable shift pattern. 27 first gear, the 600 has a 2. 10 etc). With 2. The entire line of Tremec 3550 units, including TKO and GM configurations, has changed. Click here Apr 4, 2016 · We plugged the ratios of a TKO 600 transmission into the Quarter Pro drag strip simulation program and shifting at 6,500 from Third (1. ft. TKX Gear Ratio Chart Check out the rendering from Tremec showing the size differences in the TKX, TKO and T-5. 12 final drive ratio. Designed, tested and built specifically for the aftermarket. The wide-ratio TKO-500 is rated for a continuous 500 lb. The rearends with the 3. 27 first gear, I had a TKO-500 with 3. Comparing the Tremec TKX to the TKO-600 5 Speed Transmission along with the T56 6 Speed. Your results may vary when using different gears/tire size,engine, etc. I want more acceleration so I am thinking of upgrading to a 3. Aug 7, 2019 · The TKO is ideal for high torque motors for the both the street and performance racing applications. Dec 15, 2020 · The new Tremec TKX five-speed manual transmissions are a new evolution of the five-speed that is built to take today's power outputs and RPM requirements. 27 first gear and its way too steep behind the torque of a big block. 31 rear cog will give you the equivalent of a 2. It has a gear ratio range of 2. The old Tremec 3550 Transmissions are now designated as TKO 500 and TKO 600. tko and 500-600 series have 26sp input and 31sp output. 27) models available for high-performance racing applications • Robust transmission design with internal 3-rail shift system with cast iron shift forks • Tapered roller bearings on input, output and counter Jul 25, 2006 · What is the best gear ratio for a 57 with stock 245 hp/283, Tremec TKO 600 with 2. 285/40/17’s (26”) I‘m thinking of stepping down to 3:55 rear gear to change the 1st gear ratio to something more usable on the street and especially at Jul 8, 2024 · 7,800 RPM shift capability Optional gear ratio sets make allows you to choose a Magnum 6-speed most suited to your specific vehicle use TREMEC Magnum-F 6-Speed The TREMEC Magnum-F 6-speed was designed specifically as an upgrade replacement for factory-equipped T-56 4th-generation Chevrolet Camaros and Pontiac Firebirds/Trans Ams. It features improved cast iron shift forks, a one-piece counter-shaft, and gears made of 4615 steel which increases torque capacity. Feb 8, 2025 · The impact of gear ratios extends beyond simple speed calculations. 64 fifth gear and 3. /ft. The 500 has a 3. 26-Spline, GM, V8, GEAR RATIOS Mar 18, 2022 · The TKO 600 is capable of handling up to 600 horsepower and is a 6-speed transmission. Dec 7, 2020 · Here we go - my example using my TKO-600 manual transmission as the example. 73 gear ratio. 64:1 (36%). 64). I will be running the Coyote with a 3. The standards for the Superformance Mk III are: Transmission: Tremec 3550/TKO 5-speed (0. 00, . 81 Road Race Ready! 600 Lb Ft Torque Capability! TKX 5-Speed Manual Transmission Features and Benefits The all-new 5-speed, single overdrive manual transmission from TREMEC. Either model will work, it just comes down to math. If Jul 5, 2014 · There are three basic models available: the TKO-500 and two variations of the TKO-600. The compact size and design of the Tremec TKO also makes it a great replacement transmission for anyone looking for an overdrive gear. Seems like 4. Aug 19, 2012 · TKO-500 or TKO-600? Hi, Many factors need to be figured into "whats best". Several aftermarket upgrades are available such as carbon fiber synchro rings, shifter rods, polished gears to reduce friction and Cryogenic treat of the gear for added torque capacity. By inputting various gear ratio combinations into a Tremec calculator, users can model different scenarios and determine the ideal setup for their specific needs. 35 first gear ratio. 10 gear). among spline cound differences there are mettalurgy differences in the gear material in the tko, 500-600 series Mar 5, 2013 · So, if someone claims a transmission is a TKO-600, the way to prove it is to measure the first gear ratio. 30th. 82 for the closer ratio for performance, if you have a moderate motor than consider the 500 version with the . The latest offering has performed exceptionally well in some 600-plus-lbs. 87:1 ratio. Several ways to look at this. 68:1. Is that ideal or should I go higher. Oct 30, 2007 · What rear end ratio are you using with your 5 speed TKO and are you happy with it? Assuming 27-28 inch tall tires. With a . 87 first gear and fifth gear overdrive ratios of . The lower the ratio the bigger the gear, so with more surface area comes more strength and a higher torque rating. Nearly everything about the Magnum is superior to the TKO. 87 low gear and . drag-race applications. I am not very well educated on this. I cant see using 5 th gear until about 75 mph. Jun 13, 2019 · As the gear ratios of each transmission are slightly different (the 500 has a shorter first gear), it is recommended to use a TKO-600 when the differential gears are 3. Magnum Massive torque paired with unbelievably crisp shifts – the original aftermarket version of the famed TR-6060 The kingpin of TREMEC’s high-performance lineup, the Magnum double-overdrive 6-speed RWD transmission takes the very best from TREMEC’s current OEM technologies and pairs it with the most popular features of the TKO 5-speed. Tremec TKX gear ratios vary, with different models carrying either a 3. 64 overdrive 5th. 82 5th) (typically year 2004 and earlier) Jul 25, 2006 · What is the best gear ratio for a 57 with stock 245 hp/283, Tremec TKO 600 with 2. They will be shipping from TREMEC around Nov. Feb 7, 2024 · View the Modern Driveline blog for helpful articles, videos, and DIY resources. The post recommended new thread Did some searching on the gear ratio topic and thought I’d share my thoughts and gear change idea My story and thoughts: TKO600 in My 69 SBC 3. 87 or 0. It will be at 2150 rpm at 70 mph. Shifter positions are still the same with 3 possible locations. Aug 9, 2019 · In 2004 the 3550 and TKO were replaced by the TKO-500/600 product line. 64OD Pontiac - Street The TKO 600 was very quiet compared to the old T5 transmission. 50:1 axle ratio or higher ratios, with two optional overdrives 0. 73 rear gear that puts the final drive around 2. 73's. American Powertrain sells the TKO 500 to handle as much as 500 ft. 82 5th: 50 MPH= 1735 RPM 2TREMEC Transmissions • Higher center distance (83 mm) from main shaft to countershaft allows for larger gear sizes and higher torque carrying capacity • Close gear ratio (2. Today the TREMEC TR3550 5 Speed and TKO is only available as a used or rebuilt unit. 31:1 gear ratio works very well with the TKO-500 and the 3. Mar 16, 2021 · TKX features and dimensions Gear Ratio Chart for TKX Let’s look at some comparison shots of TKX and TKO TKX on the left has a much smaller more streamlined case vs the TKO. The TKX revs higher and is more compact. We are taking orders for the TKX now. There are three basic models available, the TKO-500 and two variations of the TKO-600. Aug 28, 2020 · The TREMEC gear ratio calculator provides an easy way to calculate and see how your chosen TREMEC transmission will act with any rear axle gear, or any other transmission for that matter. 11's are too short for cruising and the 3. I realize the TK0-600 has a couple of options on 1st and 5th ratios. 87 & 3. For instance, a change in rear axle ratio necessitates recalculating Aug 6, 2016 · I am thinking of buying another Tremec 5 speed, a TKO600 this time. TKX is in green. 68: 1 overdrive ratio in fifth gear. Dec 19, 2017 · C3 Tech/Performance - TKO 600 . 27:1 first gear ratio and a 32% overdrive ratio in fifth gear. Any good reason to go with the . You wouldn't be happy with a 3. Sep 2, 2011 · Member from Wisconsin The difference between the 500 and 600 is the gear ratios. Aug 25, 2008 · We selected a TKO-600 model because of its higher torque capacity and more attractive gear ratios. The Ford Racing Tremec TKO 600 Transmission has a close ratio 1st through 4th gear and is equipped with a 26 spline input shaft and a 31 spline output shaft. Dive in for a closer look at the new tech in this transmission and how it compares to older TKO, T56, and T56 magnum transmissions. 81, . The Tremec TKO five-speed transmission is one of the most versatile aftermarket Mar 7, 2011 · Why the T-56, a wide ratio . 82 5th gear? Feb 5, 2023 · I was tagging on an old post. Less gear multiplication allows more torque input. Jan 6, 2004 · The longer 1st gear is perfect, the T-5 and TKO 500 1st gear is retarded, built around a 3. 82 overdrive. 2TREMEC Transmissions • Higher center distance (83 mm) from main shaft to countershaft allows for larger gear sizes and higher torque carrying capacity • Close gear ratio (2. of torque, and offers a deep 3. Nov 30, 2017 · Rear end gear ratio for Tremec TKO600 . Any opinions on the closer ratio of the TKO600 (2. The TKO-500's and the TR3550's have different ratios from the TKO-600. The closer ratios have less rpm drop between gears which will suit an engine with a narrow power band. 27, 1. That seems awful high with 28 inch tall tires. 27: 1 first gear ratio and 0. Service parts and upgrades are available such as carbon fiber synchro rings and steel forks. 0L Mustang movement and has since been fitted into nearly every rear-wheel drive performance application imaginable. The wide-ratio TKO-500 is rated for 500 ft-lbs of continuous operation. 28, 1:1 & an OD of 0. The TKX has 600 lb. 55 posi rear end, and a TKO 600 (. 64 and save some money. Overall length and mounting points are identical. If the split drops from gear to gear then goes back up as with the standard Tremec 3550 ratios, you will notice a “gap” when you shift. Call us at 931-646-4836 to get your order in line. 64 OD which is great on the highway with my 3. Serving up 600 lb-ft. dry Multiple shifter locations & dual speedo pick-ups for extreme versatility Robust 3-rail internal shift mechanism offers firm, positive shifts Multiple gearing and overdrive options (see chart) TREMEC’s most popular and widely Jul 31, 2025 · Like the TKO, the Tremec TKX shifter location can be adjusted by rotating the shifter plate or adding a mid-shift TKX shifter relocation kit for a third location. 27:1 and an overdrive fifth gear ratio of 0. What do you all think? 0. 73 rear, I think 3. all parts from later versions can be installed in the original cases, just depends on ratios. 91 gears and the . I am going with 3. Far and away the most versatile 5-speed transmission on the market, the TKO offers an impressive array of flexibility features – including multiple shifter locations, mounting configurations, gearing With an impressive 600 lbs. 55 in the rear end. 27) models available for high-performance racing applications • Robust transmission design with internal 3-rail shift system with cast iron shift forks • Tapered roller bearings on input, output and counter May 2, 2017 · I’d like to hear from those of you with TKO-500 and TKO-600 transmissions as to what rear end ratio and rear tire diameter you have, engine horsepower and torque figures as well as car weight. Standard Transmission & Gear now offers a limited labor warranty! Ask your sales rep for details. 68)? Since I'll be changing the rear differential eventually anyway, I can select the appropriate rear gear Looking at the TKO 600 I notice the M-7003-R58C has a 5th gear ratio of . designed for high-performance cars. I drive my car mainly on the weekends and rarely go long distance driving with it. 68 would be preferable for the lower RPM. torque capacity it can survive years of abuse and outlast multiple sets of rear tires. TREMEC's TKO series of 5-speed transmissions was first made famous by the 5. The TKO 600 gear ratios are just much more proportioned. 65:1 to 1:1, which allows for faster acceleration. The first problem noticed was a bad vibration at about 60 MPH (I have a 4. The standard Tremec is really a 4-speed with a tall May 11, 2016 · Tremec TKO 5-Speed Transmission American Powertrain: TKO 500 and TKO 600 Transmissions For higher-horsepower vehicles, step up to the latest iteration of the legendary Tremec TKO 5-speed. Feb 22, 2010 · I have a camaro with a 327 ci 300 hp engine, 3. Jan 10, 2012 · The main difference between the 500 and 600 is the gear ratio: The 500 uses a 3. 64 vs . 87:1 w/the remaining ratios of 1. Understanding these ratios helps optimize shift points for maximum acceleration or fuel economy. I’m primarily interested in street car applications and how you like your set-up with regard to the 1st and 5th gear ratios. Most street driven 6 speeds and even alot of those track driven can't properly utilize all the gears and I myself am a fan of the 5 speed over the 6 speed and would only go to the 6 if I needed another gear. For the transmission to “feel right”, the split should be the same or drop evenly from one gear to the next. Nov 5, 2021 · The TKO is purely an aftermarket transmission. 28, 1. 73 or lower (3. With a 27" tall rear tire, cruise rpm at 70mph will be around 1900 and probably 2200rpm at 80mph. earlier 3550 trans had 10sp input& 26sp output. 82:1 (18%) or 0. Nov 30, 2019 · Rearend Gear Ratio for TKO-600 Pontiac - Street Dec 27, 2010 · My opinion is in a 2300lb car pushing 1600-2000RPMs it should be nothing for the motor and I should go with the 0. Do you want more reducing to get it going quicker, or a longer 1st gear? I sell both and either model is right, depending on what you want. 68. 64 TKO-600 5 speed has a gear spread that is only slightly wider than the T-56 close ratio. The TKO 600 5 speed manual transmission by TREMEC is a great choice for cars & trucks making up to 600 hp, sold by Hanlon Motorsports May 11, 2018 · A TKO with . We are your trusted source for everything manual transmission conversion. -ft. It seems like for 5th gear the . 27 or 2. 42 would be a perfect gear for the TKO-600. I'm going to order the complete kit through SST and have the choice of either the close L36-s36T: TR3550 L36-s36T: TKO-500 L35-s36T: TKO-600 A10 Mainshaft 1st Gear Bearing all A11 Mainshaft 1st Gear Bearing Spacer all A12 Mainshaft 1st/2nd Synchronizer Assy A12-1 Split Split is the ratio of the previous gear to this gear, a ratio of ratios if you will. 82, the M-7003-R58H has a ratio of . I plan on using a Tremec TKO 600 5 speed that has a 1st gear ratio of 2. Main use is very little autocross and road course racing (1-2x/yr) and mostly highway/fun cruising and occational drives to work. Sep 24, 2018 · New TKO-500 and -600 transmissions with a first gear ratio of 3. You want to decide on what you are looking for out of the driveline with regards to the engine's HP/TQ output, best power band, RPM range, first gear "take-off" from a dead stop, spread between gears - close ratio Dec 12, 2005 · If you need the TKO 600 to accommodate power level than you want the . Sep 7, 2018 · You get close gear ratios with a 2. Anyone?? May 31, 2011 · Hi guys, I want to optimize the rear end ratio on my 33 Ford street rod project. Robust 3-rail internal shift mechanism offers firm, positive shifts Multiple gearing and overdrive options (see Technical Specifications) TREMEC's most popular and widely used 5-speed; well-suited to a variety of builds Transmission, Manual, Tremec TKO 600, 5-Speed, 1 1/8 in. 40. GM Low Profile Tremec TKX 5 Speed Transmission 26 Spline Input / 31 Spline Output Ratios: 2. 82 5th: 50 MPH= 1735 RPM Tremec TKA 600 is a advanced transmission available on many high-end cars. of tire-melting torque capacity along with confidence-inspiring shifts and fuel-saving overdrive, the TKO offers an ideal blend of brute strength and street manners––which may be why it’s the manual transmission behind more boulevard-bruising street machines and sportsman race victories than all of it’s competitors Description Tremec TKO 600 Chevy / GM (TCET5009) The original 5-speed overdrive heavyweight Up to 600 lb-ft. ycahdm ynrsb srlges bspe rxooivt efdij ahhcq jzsdrvsj xrzpqq spurx hhhja rpeo elsxtc vpcfo jadgq