how to shift a lenco transmissionghana lotto prediction

Every track differs from day to day or hour to hour. Since the taller ring and pinion have more tooth area contact they are more reliable and less prone to breakage. Input shaft. and control slippage. Going to high on the pressure shocks the transmission and drive-train. His typical drives usually include lighting up the rear tires while going sideways as he yanks the levers back, shifting the ensemble of levers to move the transmission through 1st, 2nd, and 3rd in quick succession. Posted 6 days ago. Lenco, the all time champion and undisputed leader in the drag racing transmissions. Jeff Turner's street driven 600hp on motor/800hp on a 200-shot of nitrous "race for money" license platted 1966 Pontiac GTO took us for a spin. the sun gear from rotating in one direction. I've made provision, so that shift lever can be moved to the back of the trans quite easily. All three units shifted equal final drive ratio of 1:1. 1.35% Uses 26 tooth planet gears, a 28 tooth sun gear and a 80 tooth ring gear. Each sun and planet gearset provides two speeds. The arm must be free to move in all directions. In order to achieve an underdrive first gear ratio the LENCO transmission relys on planet gears which rotate around the previously mentioned sun gear. The total amount of gear reduction depends on the amount of housings and the overall application of the transmission. Building a Lenco ST1200 starts with constructing the soul of the transmission: assembling its planetary gear sets. 8620 is a premium quality material that will provide excellent service for 1200 HP hot rods. If you already have a ST1200, you can upgrade your transmission with the new parts, ratios, and even new casing as all of the new upgraded components are compatible with the older units. The shifting process removes multiplication factors and subsequently results in all gear-sets, after Lenco, the all time champion and undisputed leader in the drag racing transmissions. The next lever is used for fourth gear and final lever for fifth. Attach air lines and your race ready. The CS2 ,CS3, and CS4 In all instances the transmission is then shifted to a 1:1 direct drive ratio by depression The Lenco Racinggear reduction unit, when used in conjunction with our CS1, CS2, CS3, or CS4 t.. Lenco Racingmachines our input shafts from 300M and Marage stock. The CS1 will control up to 3000 HP. 1.56%Uses 22 tooth planet gears, a 55 tooth sun gear and a 98 tooth ring gear. Pressure set-up kit Our shift pressure set-up kit consists of a separate adjustment tower, lever, pull scale and chart of recommended pressures. The arm is held into the servo piston by a set screw. 1.297%Uses 26 tooth planet gears, a 22 tooth sun gear and a 74 tooth ring gear. The 2 speed, including reverse, bellhousing and lining weighs approximately 108 lbs. Reverse Lockout. When the transmission is shifted a clutch pack compresses the rotating sun gear assembly to the direct drive central sun gear. Planetary transmissions rely on a central sun gear to provide a 1:1 direct drive ratio once shifted from the launch ratio. 1.22% (1.219) - Uses 30/35 tooth planet gears, a 23 tooth sun gear and a 90 tooth ring gear. If he shifts slower, the transmission shifts softer; if he shifts faster, the transmission shifts harder. Call our technical department at (909) 673-9080 or email us here with any questions you may have concerning function or applications. Refining the machining process of how the gears are made and even designed resulted in more efficient gears that mesh together easier than the previous version. A five speed requires four cases, and a six speed requires five cases. With that said, the bare finish is a popular choice for the boat racing crowd, so for some beauty trumps added maintenance. CS-1 style or center shift transmissions: - Uses 22/38 tooth planet gears, a 24 tooth sun gear and an 84 tooth ring gear. Each sun and planet gearset provides two speeds. 1.56% Uses 22 tooth planet gears, a 55 tooth sun gear and a 98 tooth ring gear. When you shift into second gear a lockout happens which "locks" the sun gear, three planet gears, and the ring gear together so that they all spin in unison. Charlotte , NC. After inserting arm into the air servo piston boss, run set screw in until you can no longer remove the arm from the piston boss. This pressure adjustability gives you considerable control when The planet gears are driven by an encompassrng flng gear. Race prepped Hydramatic. Second gear ratio is 1.80 and third gear is a 1.31 ratio. All cases are magnesium. Screw the servo into the transmission case until contact is made with the shift fork pin. The boat clutch provides gentle engagement and disengagement. Assemble next section on to case and bolt tight. Small Sprag Assembly -This is a our small Sprag, note the snap ring in the outer race and single brass thrust washer. The possible combinations are endless! A large ring gear surrounds the entire solar system of gears. Run the air servo jam nut and o-ring up the threads on the servo. This is our double large sprag assembly and is used primarily in the boat applications, but has found its way into some car applications. Its used to force the gear set to make ratio by preventingthe sun gear from rotating in one direction. 1.22%Uses 21/30 tooth planet gears, a 24 tooth sun gear and a 75 tooth ring gear. Warning: Do Not over tighten set screw. All Rights Reserved. The internal action of a LENCO is such that when the transmission is in first gear the dedicated planet gear assembly provides the launch ratio. It's capacity is much stronger than the small sprag. 1.338%Uses 24 tooth planet gears, a 25 tooth sun gear and a 74 tooth ring gear. The downside of this setup is that the shafts are only supported on their ends, so the shaft can bend with torque. Remove fill plug on top the transmission case you are going to adjust. RATIO CHART All Rights Reserved. If a sun gear to ring gear has a ratio of 1.44, then the intermediate shaft that is attached to the planetary carrier is spinning at a 1.44 reduction in relation to the input shaft. 1.256% Uses 32 tooth planet gears, a 22 tooth sun gear and a 86 tooth ring gear. Stay up to date with news and promotions by signing up for our monthlly newsletter. With a docile nature and racing pedigree, the new ST1200 improves upon the old, making a great transmission even better with improved technology, refined parts, and lower rotational mass for faster acceleration. 1.46% - Uses 22 tooth planet gears, a 37 tooth sun gear and a 80 tooth ring gear. One variation is that the ST1200 uses budget-friendly 8620 alloy for the gears instead of the more expensive 9310 material. Lenco revamped the ST1200, by replacing sand molds with CNC 5 and 6-axis milling machines. It has a selected gear ratio, and is the first speed of the transmission that is translated to the output shaft that drives the wheels. racing transmission, You must multiply each cases underdrive ratio in order to determine the first gear ratio. You always need to come out of the water box in high gear to prolong the life of the transmission. Due to the way they are designed and operate, the advantages are clear. Because the ring gears are the final gear ratio of 1:1, a six-speed planetary transmission would consist of 5-planetary sections: 5 gear set ratios (sun gears) and a sixth gear when all of the planetary gear sections are locked together forming a 1:1 ratio. There are two different size air servos for the New Generation transmissions.The small air servo (2.5"piston diameter) and the large air servo(3"piston diameter) for the CS-2 large case transmission and Lencodrives. How is this done? If, however, the track is loose from 300 through 500 you can soften Air or lever shift. bellhousing patterns - Ford, GM, MoPar and our own five-bolt design. of the adjustable shift tower plunger. This worked for the vast majority of consumers, but it left a lot of gaps that prevented fine tuning of a combination because the spacing between the ratios was so spread out. all hardware. Each gear is engaged by pulling down on the shift lever, to activate the clutch mechanism for each gear set. You will need to add a LENCO reverse unit in order to back up. Lenco transmissions were first made popular in the early '70s when NHRA Pro Stockers needed a gearbox that was up to the task of 9-second elapsed times. All levers in forward position result in the transmission being in first gear. 1.24%Uses 26/31 tooth planet gears, a 23 tooth sun gear and an 80 tooth ring gear. Every track differs from day to day or hour to hour. In order to achieve an underdrive first gear launch ratio the LENCO transmission relys on planet gears which rotate around the sun gear. Stay up to date with news and promotions by signing up for our monthlly newsletter. Recommended for cars making up to 1200 HP the ST1200 is pure LENCO through and through. All transmissions are the sum of their parts. New and Used Parts A BorgWarner T56 six-speed transmission was used in the Viper; automatics have never been available. This L.. Purchase the complete LENCO bell housing assembly or individual bellhousing components as needed. Shift with either our patentedmulti lever system or with the optional, more compact CO2 setup. Once determined, these gear configurations are assembled in their planetary carriers. The hard-anodized finish is meant to thrive in that environment, requiring no more than a quick wipe down with a damp rag, whereas the bare aluminum transmission would need more work to get it sparkling again. Apply a small amount of Red (271) Locktite on the set screw. Typically the CS-1 and CS-3 run the 2.50" piston air servo (150 psi) and the CS-2 and Lenco drive runs the 3.00" piston (250 psi). Second gear ratio is 1.80 and third gear is a 1.31 ratio. 1.566% Uses 18 tooth planet gears, a 45 tooth sun gear and an 81 tooth ring gear. 5.6K views, 84 likes, 1 loves, 13 comments, 17 shares, Facebook Watch Videos from Lenco Racing Transmissions, Inc.: David answers a few FAQ on CS-1 thru CS-4 Transmissions Take the Hurst Lightning Rods, an aftermarket performance shifter marketed in the 1980s. 1.50% Uses 22 tooth planet gears, a 44 tooth sun gear and an 88 tooth ring gear. Light weight components. Both transmissions are available in 2,3, 4 or 5 speeds. In general, all LENCO transmissions are a planetary design. For example, a three speed requires two cases. It is not necessary for the driver to disengage the clutch when shifting from ratio to ratio since all shifting is done with the engines clutch fully engaged, R577980 Raybestos Gen2 (Blue) shift pressure control. Now taking all the lash out by lifting up on the clutch housing (outer housing) and press down on the pressure plate then measure the distance between the top of the pressure and the bottom of the snap ring groove of the clutch housing, This is your clutch pack clearance. 1.22%Uses 21/30 tooth planet gears, a 24 tooth sun gear and a 75 tooth ring gear. Each sun and planet gearset provides two speeds. Choice of output shaft length and spline. The gearset in the third case alone, 1.31:1, determines the third gear ratio. I do have three .080" shims, two .017" and six .027" shims. As with all Lenco transmissions the ST1200 is a planetary design and comes with up to 6 forward speeds. With its larger size and more teeth, it rotates faster, so it spins the output shaft faster, which in turn spins the rear wheels faster. His dial-in time is 10.60 and his ET for this race was a 10.61. They only serve to transfer the power of the ring gear to the planetary and to rotate around the sun gear if the sun gear is held stationary by the sprag clutch. 1.73% Uses 14 tooth planet gears, a 76 tooth sun gear and a 104 tooth ring gear. This is a very extreme duty sprag assembly. This is how we engage gears in a traditional manual transmission. 1.38% Uses 23 tooth planet gears, a 28 tooth sun gear and an 74 tooth ring gear. 1.38% ratio uses 23 tooth planet gears, a 28 tooth sun gear and a 74 ytooth ring gear. 1.313% Uses 27 tooth planet gears, a 25 tooth sun gear and an 80 tooth ring gear. Adjustment: 1.20% Uses compound 22 and 32 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. The LENCO Gear Reducer is used as a stand-alone unit or in conjunction with our CS1 Standard Design and CS2, CS3 and CS4 New Generation transmissions in order to employ tall rear gears with the advantage of a short launch ratio. Multiply the two rear case gearset ratios to determine the second gear ratio of 1.80:1. Lenco celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. drag racing, The second lever, and second tallest, is used for third gear. Apply a small amount of Red (271) Locktite on the set screw. The ST1200 is the same engineering design as the all-out-race New Generation CS2 but with a couple of minor differences. Gary Sumek of Lenco mentioned that they have been producing a five-speed street version for a few years. Since each case contains one gearset and provides both underdrive and direct drive, multiple cases provide multiple underdrive ratios. Screw air servo counter-clockwise about five or six turns before you reassemble the transmission. Lenco offers an extensive variety of transmissions. The Lencodrive's trans-brake is controlled by an electric solenoid which activates hydraulic compression of a dedicated clutch pack. This is an in-car shot video of Mike drag racing his 73 Duster using a clutch-less Lenco Transmission. The ST1200 is available with all popularbellhousing patterns - Ford, GM, MoPar and our own five-bolt design. $3,200. In the example of a four speed, the case nearest the engine would It uses a clutch and flywheel assembly only to engage the transmission into first and reverse . 1.19% (1.191) - Uses 28/38 tooth planet gears, a 23 tooth sun gear and a 91 tooth ring gear. By multiplying thesethree ratios you come up with a 2.46 first gear ratio. Stay up to date with news and promotions by signing up for our monthlly newsletter. 1.17% (1.165) - Uses 22/38 tooth planet gears, a 24 tooth sun gear and an 84 tooth ring gear. The 1 1/4 is the best and used in Top Alcohol and Pro Mod. This gadget employed three shift levers to accomplish everything that a single lever could do. 1.35% Uses 26 tooth planet gears, a 28 tooth sun gear and a 80 tooth ring gear. By multiplying these three ratios you come up with a 2.46 first gear ratio. It might be less, it might be much more. If the shift pressure is set to your application lock the jam nut your finished, if not you then need to add shim to raise pressure or subtract shim to reduce pressure. The rear case a 1.31 ratio gearset. The internal action of a LENCO is such that when the transmission is in first gear the dedicated planet gear assembly provides the launch ratio. The lever arms also vary in length. Adding progressively different ratio independent gear housings behind each other allows Lenco to create two-speed, four-speed, five-speed, and even six-speed transmissions. With a selection of 16 first-gear ratios for the two-speed and hundreds more for three-speeds the LENCODRIVE presents you with the opportunity to dial-in your exact combination. e30 m52 turbo. 1.256%Uses 32 tooth planet gears, a 22 tooth sun gear and a 86 tooth ring gear. 1.28% Uses 32 tooth planet gear, a 25 tooth sun gear and an 89 tooth ring gear. Lenco transmissions essentially combine the best of a manual and automatic transmission into one unit. We are able to offer the ST1200 Street/Strip at lower cost than our pure race CS1, CS2, CS3 and CS4 designs since we use 8620 steel instead of 9310 material for the ST1200 gears. This transmission can be used to drive your hot rod to work Monday through Friday and then to the dragstrip and the winner's circle on weekends. 1.68% Uses 15 tooth planet gears, a 62 tooth sun gear and a 91 tooth ring gear. This intermediate shaft connects this planetary gear set to subsequent planetary gear sets which make up the modular nature of this transmission. The Lencodrive is pure Lenco through-and-through with the same gearset components as our CS2. Chevy Pilot Bearing Assembly 1955-2000 Chevrolet (SB & BB), and Lenco transmissions. Once installed, make sure the air servo is loose and can turn freely. This will allow for free play in the shift system. 1.368%Uses 21 tooth planet gears, a 25 tooth sun gear and an 74 tooth ring gear. 3 speed. The tallest to the right is used to shift the transmission from first to second gear. No further adjustments are necessary as there is ample reserve travel in the servo. 1.31%Uses 27 tooth planet gears, a 25 tooth sun gear and a 80 tooth ring gear. 1.31% Uses 27 tooth planet gears, a 25 tooth sun gear and an 80 tooth ring gear. Although the initial cost is more than a well-built TH400, the longer durability and low-maintenance cost of the Lenco will pay for itself in the long run. A G-force or Liberty face plated 4 speed may be what you want. The middle case would also contain a 1.37 planet gear set. This is a 1971-72 901 transmission converted for use as a side shift 914 gearbox. 1.297% Uses 26 tooth planet gears, a 22 tooth sun gear and a 74 tooth ring gear. (1) in the bruno/lenco the fluids are seperate - which gives you options of running different fluid types and no chance of breaking the lenco side and mixing it into the converter. (only on CS-1 style or center shift transmissions): Air shifted LENCOS come pre adjusted from the factory. 1.34% - Uses 24 tooth planet gears, a 25 tooth sun gear and a 74 tooth ring gear. 1.46%Uses 22 tooth planet gears, a 37 tooth sun gear and an 80 tooth ring gear. 1.19% Uses 21/33 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. Proving itself to be a dependable and excellent option that fits with the blending of racing and street-driven cars, the dual clutch transmission has taken manual transmission performance to a whole new level. 1.44%Uses 22 tooth planet gears, a 35 tooth sun gear and a 79 tooth ring gear. Material Gears. Multiple speed transmissions use multiplication of gears to create different speeds. I believe the main difference between running ATF and 30wt engine oil is the speed in which the Lenco clutches can close up at the shift. Air servos or max-adjust shift towers. We happen to run synthetic AFT. The 4-speed above shows how to determine drive ratios. Purpose designed and produced for drag, ski and river boat requirements. Copyright 2020, Lenco Racing. A LENCO launch ratio is determined by the sun and planet gear ratio. Too much torque and the output shaft can suffer deflection, and the whole system can start to fail in its operation as the gears move away from each other. Each LENCO transmission is thus a two-speed and is housed in its single dedicated case. Furthermore the Lenco allows you to achieve 3,000-rpm launches at the track and 1,000-rpm take-offs from the stoplight, depending on how long you leave your foot on the clutch. The version 2 of the ST1200 transmission, builds upon that great design with an all-aluminum billet CNC casing, double O-ring seals, hardened anodized finish, and a larger choice of gear ratios for perfect fine tuning of gear ratios. See(input diagram). Then start the tires spinning, now shift the front section so that you are now in high gear. In order to achieve an underdrive first gear launch ratio the LENCO transmission relies on planet gears which rotate around the sun gear. Large low drag bearings, that the planetary gears will float on, are pressed into the casings. 5-Speed $10,660. It is not necessary for the driver to disengage the clutch when shifting from ratio to ratio since all shifting is done with the engines clutch fully engaged. 1.23% Uses 21/30 tooth planet gears, a 25 tooth sun gear and a 76 tooth ring gear. Lenco Transmissions utilize several different styles of clutch discs and depending of which style lenco you have you will also find different clutch counts in each case. Upshifting is very commonly done this way, but you can also do it while downshifting. Clutchless shifting is the practice of changing or shifting your gear without touching the left bar lever. Stay up to date with news and promotions by signing up for our monthlly newsletter. Each lever controls one planetary gear set. 1.50%Uses 22 tooth planet gears, a 44 tooth sun gear and an 88 tooth ring gear. When setting up your clutch packs they need to have the proper air gap or clutch pack clearance. Assemble next section on to case and bolt tight. 1.41% - Uses 24 tooth planet gears, a 34 tooth sun gear and a 83 tooth ring gear. The tallest to the right is used to shift the transmission from first to second gear. Likes Received: 180. All Rights Reserved. Available in single o.. Lenco couplers are machined from 8620 aircraft quality steel and heat treated for for severe duty se.. You can add additional cases and gearsets that will result in 3 or 4 speeds. Think of it as manually shifting an automatic transmission. We can supply practica.. Lenco Racingthrowout bearing collars are machined from premium aircraft grade billet aluminum .. Planetary transmissions rely on a central sun gear to provide a 1:1 direct drive ratio once shifted from the launch ratio. This is first gear. With its modular design, an infinite number of speeds can be added. Once you have achieved the proper clearance reinstall the pressure plate spring and clutch housing snap ring it is then complete, ready for installation. The next lever is used for fourth gear and final lever for fifth. You always need to come out of the water box in high gear to prolong the life of the transmission. Changing gears and setting it up is the same for the CS-2 and the Lencodrive. Lenco, the all time champion and undisputed leader in the drag racing transmissions. Jeff says that he loves the transmission and "the only thing different [from driving a traditional gearbox] is that there is no engine braking". Exclusively V.A.R. 1.44% - Uses 22 tooth planet gears, a 35 tooth sun gear and a 79 tooth ring gear. A first-to-fourth skip-shift solenoid is used on the transmission to help increase fuel economy. Pistol Grip Manual Shifter. Three planetary gears rotate around the sun gear like planets traveling in their orbit. A perfect replacement for expensive breakage prone Powerglides, Turbos, C4, C6 style and Torqueflite transmissions the LENCODRIVE is 100% LENCO and will handle 2500 HP with ease. The ST1200 allows Jeff to control how hard his transmission shifts by changing how fast he pulls on the levers. 1.31% - Uses 27 tooth planet gears, a 25 tooth sun gear and a 80 tooth ring gear. The rear case a 1.31 ratio gearset. All Rights Reserved. Those two speeds are (1) the lower underdrive ratio and (2) the direct 1:1 final lock-up drive ratio. Lenco celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. Add fluids as necessary and install fill plug. Lencodrive 2 Speed. at a lesser price than our full race units. Shims before and after the shifter plate assembly -. Lenco celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. The Sprag clutch is utilized in each shiftable section of the LENCO with the exception of the reverse. Large Strips and Clips Sprag Assembly - Thisis a specialized sprag and is used in applications where tire shake is a constant problem.

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