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. It was in the Mags as the hot new thing... Havn't seen it since so I guess it wasn't the hot new thing.... -=1970 Malibu - 454, 4spd, 3.73 12 Bolt Posi =-. Most of the shootout racers around here use powerglides or Turbo 400s. LENCO TRANSMISSION-MOUNT RAILS E-mail this product to a friend Made of 4130 tubing, our mount fits 3-speed and 4-speed Lenco transmissions. 1971 Chevelle SS454, T56 Magnum 6 speed, 3.31 Posi. Rotate air servo into case until you see the set screw in the air servo piston boss inside the case. for all your racing needs, LENCO transmissions are a planetary design. He hasn't put it on the road yet, but if he does soon I'll try to get some info. We want to thank Greg Sumek, Paul Mendoza and all the rest of the people at Lenco for spending the time to show us their factory, and to explain how their transmission works. The right move for our Dodge Demon was to stick with the classics on this throwback and bolt in a 727 TorqueFlite from Performance Automatic. 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. All burnouts should be started in Second gear, then the transmission should be shifted to Third as soon as the tires start to spin. 1.31% Uses 27 tooth planet gears, a 25 tooth sun gear and a 80 tooth ring gear. 1.20% Uses compound 22 and 32 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. Welding required. The reason you don't FP 1st is simple; you're only downshifting into it, and often at low speeds. LENCO transmissions are shipped with the shift levers removed in order to prevent damage during shipping. 1.73% Uses 14 tooth planet gears, a 76 tooth sun gear and 104 tooth ring gear. INSTALLATION can someone explain the good and the bad about lenco transmissions. It uses a clutch and flywheel assembly only to engage the transmission … 1.356% Uses 23 tooth planet gears, a 26 tooth sun gear and a 73 tooth ring gear. 0000000016 00000 n Screw air servo counter-clockwise about five or six turns before you reassemble the transmission. 1.28% - Uses 32 tooth planet gears, a 25 tooth sun gear and a 89 tooth ring gear. © Provided by Hotrod The air servo is attached to a rotary shift plate by an adjustable arm which is pre-set by the factory and should NOT be changed. In order to achieve an underdrive first gear launch ratio the LENCO transmission relies on planet gears which rotate around the sun gear. Quick Release Window Net Mount Kit. 1.48% Uses 22 tooth planet gears, a 40 tooth sun gear and a 83 tooth ring gear. Adjustment Once installed, make sure the air servo is loose and can turn freely. No further adjustments are necessary as there is ample reserve travel in the servo. Screw the servo into the transmission case until contact is made with the shift fork pin. are you making enough HP that you cant put a quality Auto in the car or do you just want the "bitchen" factor? 1.56% Uses 22 tooth planet gears, a 55 tooth sun gear and a 98 tooth ring gear. 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. To install lever remove bolt, insert lever in shift tower so that it faces forward and install bolt. For additional information about Lenco products please email us here, or call us at (909) 673-9080. 1.405% Uses 23 tooth planet gears, a 32 tooth sun gear and an 79 tooth ring gear. Burnout's (on all LENCOS): I have a Lenco ST1200 and all the parts to put it in a Fox Body behind a small block Ford, minus the clutch. The road race ones would surely be more street friendly than something like a "clutchless" drag race/planetary transmission. I suppose the real question is why? Screw air servo into case until it bottoms out against the jam nut. I … talked to lenco, $5k for a 4 speed before we even consideir clutches. "Life is tough.,, Life is even tougher if you're stupid.". In order to achieve an underdrive first gear launch ratio the LENCO transmission relys on planet gears which rotate around the sun gear. $5.66. 1.38% Uses 23 tooth planet gears, a 28 tooth sun gear and an 74 tooth ring gear. New and Used Parts A coupler supplies forward, neutral and reverse. 1.22% Uses 21/30 tooth planet gears, a 24 tooth sun gear and a 75 tooth ring gear. Will fit Lenco CS1, CS2, and CS3 transmissions. The Sprag clutch is utilized in each shiftable section of the LENCO with the exception of the reverse. 1.35% Uses 26 tooth planet gears, a 28 tooth sun gear and an 80 tooth ring gear. 1.22% Uses compound 21 and 30 tooth planet gears, a 24 tooth sun gear and a 75 tooth ring gear. 1.297% Uses 26 tooth planet gears, a 22 tooth sun gear and a 74 tooth ring gear. Adjustment: If it is necessary to remove the servos you should reinstall with the lock nut spun completely to the top of its travel. UPS lost the Lenco for two weeks after I waited on it's production for about 6 months. 0 0000006031 00000 n Different Sizes - LENCO utilizes several different styles and sizes of sprags depending on which application the transmission is used for. Show full articles without "Continue Reading" button for {0} hours. Mounting tubes allow you to slide the transmission back for servicing and a quick pin helps secure the transmission in place. Lenco & Jeffco are both here in San Diego. Lenco transmissions essentially combine the best of a manual and automatic transmission into one unit. When you move the shift lever, it shifts. from DarkSide 1.56% - Uses 16 tooth planet gears, a 41 tooth sun gear and a 73 tooth ring gear. This kit bolts Lenco transmissions to our slide mount kit (sold separately). My Lenco ST1200 for the black Charger showed up today. Surveys help project election winners, explain voter motivations, Chipotle struggles with staffing as coronavirus cases rise. Needless to say I am very happy to finally move forward on this project. - Uses 28/38 tooth planet gears, a 23 tooth sun gear and a 91 tooth ring gear. It's capacity is much stronger than the small sprag. 1.44% ratio uses 22 tooth planet gears, a 35 tooth sun gear and a 79 tooth ring gear. just a little curious about them, they have always given me wood. Run air servo jam nut and o-ring down against the case and tighten with a 1 1/2" wrench. 282 Posts . Shifting as the tires begin to grip or dragging out of the box in First will rip the overrunning clutch out of the case. CS2, CS3, CS4 & Lencodrive or offset shift transmissions: The Lenco Racing CS2 2 Speed Transmission design is engineered for race cars producing up to 3500 HP. 0000011596 00000 n Now rotate counter clockwise 1/2 to 1 turn and tighten lock nut. When the installed lever is loose that section is in low and when the … even as technoligy changes and gets better, even as we see more things. The 727 first appeared in 1962 as the "early model" that had a large-spline input shaft and was sometimes operated with a push-button shifter. Also comes with a McLeod bellhousing with an access port on the bottom to make clutch adjustments. Large Strips and Clips Sprag Assembly - This is a specialized sprag and is used in applications where tire shake is a constant problem. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. 1.34% - Uses 24 tooth planet gears, a 25 tooth sun gear and a 74 tooth ring gear. 0000002198 00000 n The second lever, and second tallest, is used for third gear. 0000012727 00000 n To install lever remove bolt, insert lever in shift tower so that it faces forward and install bolt. It has an electric solenoid that receives air from an adjustable regulator. 1.24% Uses 26/31 tooth planet gears, a 23 tooth sun gear and an 80 tooth ring gear. Now rotate tower clockwise until it lightly touches pin on shift fork then rotate tower counter clockwise 2 turns and place hook of scale in top hole of checking lever supplied with transmission (this lever should be about 5 1/2" over all length) and pull scale slowly to shift section, taking note of highest reading this is your shift pressure. Comes with a fox body crossmember with brackets to make the Lenco a bolt in deal. Each LENCO transmission is thus a two speed and is housed in one dedicated two speed case. The transmission continued in production in various forms until 1991, after which its design was absorbed into newer models. 0000012682 00000 n In the example of a four speed, the case nearest the engine would 1.19% (1.191) - Uses 28/38 tooth planet gears, a 23 tooth sun gear and a 91 tooth ring gear. There must be a minimum of .060" to a maximum of .090" of clearance between face of pilot bearing to beginning of clutch spline. You always need to come out of the water box in high gear to prolong the life of the transmission. I shift it with a timed switch getting its signal from an electric shifter box so that it applies voltage for 17 sec at the shift. The idea is to avoid shifting with huge sticky tires spinning at a high speed by simply lifting off the gas as you roll out of the box in High gear. have to chop up my tunnel big time, no engine braking. 1.256% Uses 32 tooth planet gears, a 22 tooth sun gear and a 86 tooth ring gear. The CS1 planetary gear size is 1". 0000012284 00000 n the Lenco's were not originally designed for street use (you could not put them into low gear w/o coming to a complete stop). 0000011832 00000 n 1.23% Uses 21/30 tooth planet gears, a 25 tooth sun gear and a 76 tooth ring gear. 1.16% Uses 21/36 tooth planet gears, a 22 tooth sun gear and a 79 tooth ring gear. This is what comes standard in most new LENCO transmissions. Glazed, burned and chipped discs must also be replaced immediately. Screw air servo counter-clockwise about five or six turns before you reassemble the transmission. To install lever remove bolt, insert lever in shift tower so that it faces forward and install bolt. 0000003282 00000 n cool enough to me at least to consider getting and using one in this one time only build i am working on. 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. Rotate air servo into case until you see the set screw in the air servo piston boss inside the case. 1.50% Uses 22 tooth planet gears, a 44 tooth sun gear and an 88 tooth ring gear. endstream endobj 169 0 obj <>/Filter/FlateDecode/Index[8 134]/Length 27/Size 142/Type/XRef/W[1 1 1]>>stream Since each case contains one gearset and provides both underdrive and direct drive, multiple cases (gearsets) provide multiple underdrive ratios. Matt Moore at Lenco showed us how to do it correctly and we have never had a problem since. - Uses 24/28 tooth planet gears, a 23 tooth sun gear and a 78 tooth ring gear. Then, continue to screw air servo Out (counter-clockwise) one half turn. CS-1 style or center shift transmissions: The tallest to the right is used to shift the transmission from first to second gear. Try calling Jerico, Lenco, and/or Liberty and get their opinions. This will allow for free play in the shift system. Some guys are using motorcycle transmission/clutch fluids by Bel Ray or Torco. The kit includes qty-2 18" long 1" .049 4130 tubes, qty-4 4130 mount brackets, and all hardware. As a safety mechanism, the engine is allowed to freewheel during deceleration in First gear. Screw air servo in (clockwise) until you see the rotary plate start to shift, now screw air servo Out (counter-clockwise) until the rotary shift plate stops moving. Air or manual shift. 0000010664 00000 n Apply a small amount of Red (271) Locktite on the set screw. 1.16% Uses 21/36 tooth planet gears, a 22 tooth sun gear and a 79 tooth ring gear. Add fluids as necessary and install fill plug. Its sliding design makes removal easy. The trans has very little use. LENCO transmissions are shipped with the shift levers removed in order to prevent damage during shipping.
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