In all instances the transmission is then shifted to a 1:1 direct drive ratio by depression A first-to-fourth skip-shift solenoid is used on the transmission to help increase fuel economy. Clutchless Transmission - Liberty's Gears The 4-speed above shows how to determine drive ratios. These new gear offerings allow Lenco to meet any customer's needs, and allows customers to fine tune their transmission and rear end setup to their hearts desire. lencodrive, drag racing, In the Lenco, the shift lever actually moves the clutch pack together to engage the gear in each housing. Most often seen in supercharged alcohol and mega HP nitrous cars the CS1 Standard Design LENCO is also commonly used by Pro Mod machines and blown nitro and alcohol drag boats. No further adjustments are necessary as there is ample reserve travel in the servo. Copyright 2020, Lenco Racing. The second lever, and second tallest, is used for third gear. To demonstrate the inner workings of the Lenco ST-1200 transmission, we followed along as one was being assembled for use in Truckin' Magazine's World's Fastest Street Legal Pickup. If you want to go straight to the action, skip to around 2:20. The only exception is replacing the pressure plate and resurfacing the flywheel after a long period of use, and frequently changing the transmission fluid about every 400-500 miles. A G-force or Liberty face plated 4 speed may be what you want. All Lencodrives come with the following (less converter). The rear case a 1.31 ratio gearset. There are a lot of variables. When doing burnout's you need to roll up to the water box then shift all sections accept the front section. In all instances you will require a LENCO reverse unit to achieve reverse movement. 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. Second gear ratio is 1.80 and third gear is a 1 .31 ratio. Available in either bare aluminum (clear) or hard anodized black finish, you can choose the transmission finish that best suits your style; however, Lenco highly recommends the standard hard anodized black finish as transmissions usually live a hard life underneath a car where no one can see it, and where it is subject to lots of splashing and hits from rocks and other road debris. Thus a 1:1 ratio is achieved. The biggest benefit to Pro Streeters is that you don't have to worry about overheating, flashing the torque converter or other maintenance costs-as there are none. Multiply the two rear case gearset ratios to determine the second gear ratio of 1.80:1. Despite its reputation among racers and its many uses today, which include everything from boats to alcohol dragsters, many enthusiasts have not caught on to the fact that there IS a street version available. We acheive more than two speeds by combining multiple cases. Low drag (angluar contact and needle bearings). Shift with either our patented multi lever system or with the . The arm is held into the servo piston by a set screw. Jeff says that he loves the transmission and "the only thing different [from driving a traditional gearbox] is that there is no engine braking". I've made provision, so that shift lever can be moved to the back of the trans quite easily. Screw air servo counter-clockwise about five or six turns before you reassemble the transmission. Lenco Racing, the all time champion and undisputed leader in the drag racing.
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