how to shift a lenco transmission

July 3, 2022

how to shift a lenco transmission

This transmission is brand new, never run, never installed and will come in the original shipping box. Each planetary gear set is in its own housing and carries a higher ratio. is the industry standard for B&J or Lenco CO 2 air shifted transmissions. I would never change back to a clutch assisted , cluster gear trans again. In order to achieve an underdrive first gear ratio the LENCO transmission relys on planet gears which rotate around the previously mentioned sun gear. (909) 673-9080 Not many people have seen inside of these transmissions! Ready to ship to its forever home in Ohio. Only problem is, Lenco's are expensive and need lots of attention. Double safe operation electronically and mechanically holds air to pot after upshift. 1. LENCO Shift Pressure Gauge Jerry Bickel LENCO Transmission Mounting Kit All instructions and support documents/paperwork View Full Description. The American Powertrain Parting Shift: Ripping Gears On The Street In A Jeffco Equipped El Camino. 4-Speed $9,450. Any transmission configuration can be used (up to a six-speed) with either a 12-volt activated solenoids or pulse signal activated solenoids. A Lenco's first gera is the multiplication of all the gears in each section with the high gear always 1 to 1. Now you can set different rpm points to trigger the shift solenoids. More fastener detail. This version is for CO2 shifting and not manual shifting levers. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . I had a Lenco ST 1200 in my TTSBC Camaro. JEGS offers a wide selection of high-performance transmission air shifters from leading manufacturers such as Biondo, Dedenbear, Shifnoid, JEGS, and more.Each air shifter is backed by an industry-leading warranty so you can get the performance you want at . Recesses in the top of the cases to fit separate CO2 pods. What this means in practice is you use the clutch pedal to engage first and reverse . The arm and housing are made from billet heat treated steel that has been black oxide coated and inside there is an alum. All LENCO transmissions can be shifted with levers or a CO2 system. Universal kit will fit 3, 4, or 5 speed Lenco Transmissions. No alterations to the transmission, other than the external operating system itself, are required. The gears can be set up in any direction, left to right or right to left. Joliet , IL. To me, it is a real pleasure to watch a stick car go down the track when the driver knows how to shift. Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. and profile machined to keep weight at a minimum on the race car. Lenco Parts and Price List is available here. This 1,500 hp rated custom Hughes Performance 4L80 for 4x4's is an Extreme. * All American-made, premium-quality materials. 4L80E Race Transmission (4x4), Manual Shift with Trans-Brake. 5-Speed $10,250. See the seller . They can bolt as many as 5 units together for 6 speeds. Rebuilding the Lenco CS1 transmission in the 2500hp street car! This is a complete Lenco transmission configured for 4-speeds with reverse. One on the right handles first to second, one in the middle handles second to third, and the one on the left is in charge of the third to overdrive. Lenco shift pressure checking lever assm. The Lenco is basically a planetary transmission where each gear has its own housing and its own shift lever. I have since changed to a Lenco 5 speed with excellent results. The BRT revolutionized the industry by giving racers a safe, consistent, yet reliable alternative to the . The idea behind the Lenco is simple, but the engineering was not simple. Commonly mounted on the steering wheel of the race car or it can be mounted where the racer chooses. $5,688. Here's a neat video showing a day in the life of a drag racer, more specifically a stick shift drag racer yanking handles on a Lenco transmission during a race at Eddyville, Iowa. You can expand to 3 or 4 speeds by addition of additional cases. * Total control of design, development, manufacturing and assembly. Simply put, once the transmission is in gear, the power runs through a set of planetary gears. Planetary transmissions rely on a central sun gear to provide a 1:1 direct drive ratio once shifted from the launch ratio. Normally one uses a clutch to launch and after the run use a clutch when slowing down but NO clutch to shift. A helper would be handy!). Mounts within easy reach of the driver and works well with our vertical gate shifter sold separately at the top of this page. Hurst's inspiration for the Lightning Rods was the Lenco transmission (above) used in drag racing in those years, notably in the NHRA Pro Stock category. Take the Hurst Lightning Rods, an aftermarket performance shifter marketed in the 1980s. 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. Free shipping for many products! This is a new and improved Lenco 3-speed transmission which uses a new 3D-printed master. Not big ones, but they were the ones that Jeff worked so hard to eliminate when he configured the first JEFFco Transmission. Quick Drive, LLC is based out of Parker, Colorado. A standard Lenco ST1200 will run you $4750 with standard bearings and coarse spline output shaft. There is no engine braking with a lenco. This kit provides an easy way to change your Lenco transmission into reverse. Description. Each solenoid activation is programmed in 100 rpm increments. piston that the rod will engage . CROWER & RAM TRIPLE DISC CLUTCHES. All ST1200 Street units now come with low drag bearings and a billet case. Keep in mind, I am no advocate for buying used up old racing parts. range back then. The Lencodrive comes as a 2 speed with reverse. The shift light will correctly activate (open) the air solenoid to initiate the shift, but the short duration of the shift light is not adequate to allow sufficient air to pass through the solenoid and shift the tranny. A shift inhibit circuit compensates for tire spin. A true "clutchless" trans, as mentioned above, includes spring loaded split sliders, and they don't stay engaged when releasing shift pressure except for high gear. Simply pull levers when the desired rpms are reached in each gear. Since all LENCO transmissions utilize the same internal gearing design you can easily change from a manual shift set up to the CO2 configuration or vice versa. Magnesium Case. From what I remember there is some sort of clutch with each gear but I could be wrong about that. He figured these Pro Stock cars were going to be pushing over 1,000 horsepower, so he knew he wanted to approach the design in a completely different way. It was a single blown 500 cu. The unit we had is no longer available, it was a two speed with direct and 25% overdrive. Reply in reply to Ronnie speedyk a year ago Thank you for that! Trades Not Accepted . Sections 3 and 4 contain 1 gear each, for 3rd and 4th gears. This will allow for free play in the shift system. I took it out when I started racing the car more and changed to an automatic. This shift button assm. You can expand to 3 or 4 speeds by addition of additional cases. CS3 Tech Gear Ratios CS3 Follow. Mounting tubes allow you to slide the transmission back for servicing and a quick pin helps secure the transmission in place. This unit is simple to install on the transmission on the workbench or in the race car and allows the racer to fine tune there shift pressure or check the shift pressure on their racing transmission. New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). The Lencodrive is the shortest and lightest torque converter driven transmission available anywhere. It was a good transmission and a blast to drive. This gadget employed three shift levers to accomplish everything that a single lever could do. That's how they operate: Now let's take a look at the mechanics of it all. Material Gears. Also, on the Hypermaxx car, I run the shifter pressure higher (due to the car weight vs. tourque), between 190 and 195 psi. Originally started by Top Fuel racer, Mike Strasburg at B&J Transmissions, it is now run by Steve Graves and family. The new Lenco product is designed to handle up to 1200 hp and shift gears without any delays. Improvements include: Sharper overall detail. When you pull the shift lever for a case, you lock that section from its ratio to 1:1. Using a lower rear end ratio also lets you keep a close ratio spread on your glide for more power at the 1-2 shift. . Simple to use when pulled up the racer can read how many pounds of pressure is being supplied to make a shift. To install lever remove bolt, insert lever in shift tower so that it faces forward and install bolt. John, put a pressure guage at the shifter pod. The sprag clutch is utilized in each shiftable section of the Lenco with the exception of the reverse. MPN: Description. How sweet would it be to have a clutchless planetary tranny in the subaru! * Producing and selling 2 Speed, 3 Speed, 4 Speed, and 5 Speed transmissions for a variety of applications. Jeffco started making "street" trans' & are a less expensive alternative to the Lenco. His dial-in time is 10.60 and his ET for this race was a 10.61. Option #1 - LIBERTY'S MANUAL V-GATE STYLE SHIFTER Included in new transmission prices $1070.00 when sold individually Option #2 - AIR SHIFTER (PUSH BUTTON SHIFT) $975.00 when ordered as an option on a new transmission $1,975.00 when sold individually Option #3 - PISTOL GRIP PNEUMATIC. 4,596 Likes Received: 178 Look at a Lenco as being a manually shifted automatic transmission. It is a one-piece unit including 3D-printed shifter levers. Follow. The new Lenco product is designed to handle up to 1200 hp and shift gears without any delays. When this same section is shifted the sprag then allows . If I read the rules correctly you pretty much get kicked . Because these units are shifted by a clutch pack, it's much easier to upshift at 3000 hp than 7273. The front section contains gears 1 and 2 and is mandatory. . Air Shifter Kits & Accessories. Owners of older ST1200 transmissions, also have a great opportunity to refine their transmissions with more reliable parts, ratios, and even new casing, since . Just show off once and I can pretty well be sure that I will miss a shift and look like an idiot. Lenco's transmissions can either be manually shifted or gas shifted with CO2. * All internal parts fully manufactured in our 50,000 square-foot facility. All transmissions, once assembled,. Im a huge NHRA fan, so i was looking at the Lenco transmissions used most notably in the Pro Stock class and i found they have a "street/strip" version. Lenco Racing Street Transmission ST1200, 6 speed. ~ Once all the old fluid is out of the line squeeze and hold the clutch lever and close the bleeder valve. To understand the powerflow of this transmission, think of each section as a simple 2-speed. Features: Allows RPM controlled upshift each at a different RPM. The Quick Drive converter drive unit operates similar to the Bruno, allowing coupling of torque converter setups to B&J, Lenco or Liberty transmissions. lenco transmission shifting 0 views Discover short videos related to lenco transmission shifting on TikTok. Really only use the clutch on the first gear just to engage it. in Chevy. Description. LENCO CS1 - 4-Speed Transmission (Air) 1.375 10-Spline Input Shaft 32 Spline Output Shaft Air Shift with Low/Reverse Lever 1.41 - 1.31 - 1.28 Ratio. Payment Details. Apr 08, 2022 Brian Lohnes 1320 Videos, BangShift 1320 1. The Lenco is a clutchless transmission. 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). Then, continue to screw air servo Out (counter-clockwise) one half turn. As far as a your inquiring on a clutch, it is the only way to go. Stuck at home watching the live feed trying to save money to finish my galaxie in time for next year. This highly efficient and unique transmission solution would be a real asset for drag racers. It held up well for us. LENCO transmissions are shipped with the shift levers removed in order to prevent damage during shipping. 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). 8204. This kit is easy to install but will require some fabricating and welding. Listening to Frieburger talk about no one wanting to run a lenco anymore I feel like the lenco is being punished for no good reason. SOLD. 32 Spline Output Shaft Manual Shift with Low/Reverse Lever Ratio Unknown. SERIOUS INQUIRES ONLY. Lencodrive 3 Speed and Reverse | Lenco Lencodrive 3 Speed and Reverse Click Image for Gallery Lencodrive Transmissions For more specific information on any of these Lenco transmissions please refer to the Tabs below, or call our tech line at (909) 673-9080. Adding or upgrading an air shifter is a great way to improve drag racing shift performance for your vehicle. A lenco is a great unit, but In our business, we want to sell units that do not come back for quite some time, at the exspense of a little performance. David answers a few FAQ on CS-1 thru CS-4 Transmissions. September 14, 2014, 04:24 PM. Each lever is responsible for changing the gears. Since 1980. CO2 shifting is accomplished by an air . LENCO CS1, 4-Speed Transmission w/Hex Shifter, Gear Ratios: 2.85 - 1.90 - 1.37 - 1 to 1 . Lenco & Jeffco are both here in San Diego. B&J Big Boy 3 Speed. Each unit is a planetary geared to underdrive about 1.37:1 If you want 4 speeds, they just bolt 3 units together which give you a first gear ratio of about 2.50 with all 4 units in underdrive. Description. They are an awesome piece, and well worth the money. Lenco & Jeffco are both here in San Diego. Built in default delay circutry allows upshifting even if there is no RPM drop between shifts. Products. The Jeffco planetary transmission may not be quite as well known as the Lenco but it is one hairy beast of a gear box that works in much the same way as the Lenco with some notable differences. Lenco's don't really count as stick because they are basically an automatic with shift levers for each planetary gear set. B&J Early Big Boy mag case 3 speed, 140 2nd- 180 low, was our back up trans, never run after rebuild and gear change, Teams use a five-speed transmission with a clutch that allows maximum tuning, and lets that small block scream to the new 10,500 rpm limit with ease. Each gear is engaged by. It was probably in the 1,000 to 1,100 H.P. Most Lenco shifters are currently on back order, please call for availability. Jeffco started making "street" trans' & are a less expensive alternative to the Lenco. A three speed has two cases, a four speed has three cases, and a five speed has four cases. Lenco 05304 LDP-50M Red, Male Connector. 3D-printed CO2 pods. Any new EXTREME transmission is available set up for a Torque Converter Drive Unit at no extra charge. The individual levers dis-engage the clutch pack which shifts the unit from underdrive to direct. We are using the power grid's shift light to activate an pneumatic (air) solenoid to shift our 2-speed Lenco Drive tranny at 8800 RPM. Works with most any ignition system that can provide a tach signal. SOLD. This is an in-car shot video of Mike drag racing his 73 Duster using a clutch-less Lenco Transmission. Lenco will free wheel in 1:1 too, you don't shift into a gear with a lenco, you take it out. Lenco's are modular 2 speed planetary transmissions. That's the primary reason these transmissions are shifted from front to back. Like mentioned, you can get as many gears as you want, they basically "add on". One lever per gear, as Seattle Mike stated. You get what you pay for. This means that if typical driving is what one is looking for, one may just push the two . What's neat is that he pulls all five gears in the eighth mile. The last section is reverse. Its used to force the gear set to make it's ratio by preventing the sun gear from rotating in one direction. Enjoy the video :) SUBSCRIBE to see . Each sun and planet gearset represents two speeds. In February 1992, the US patent office awarded the BRT Converter Drive US patent #5090528 for its unique innovative design. . Lenco trans rules. Magnesium Tailhousing (Bushing or Roller Bearing) 300M 32-Spline Output Shaft. 300M Input/Cluster Shafts. The Lencodrive is the shortest and lightest torque converter driven transmission available anywhere. The BRT Converter Drive was invented, racetrack proven and perfected in late 1989 by Bruno's Automotive. from the muscle car era 4spds to the best Lenco, G-Force, Tex . Please contact Billy Johnston for . However I imagine to have one custom fab'd to fit to the EJ blocks would be as . This in-car shot video shows a. Made from billet alum. LENCO ST1200 Street/Strip transmission. How a Lenco Works The Lenco Racing ST1200 4 Speed Transmission has been specifically designed and engineered for severe duty street/strip applications. This scale used with part number #2630-0013 can help a racer fine tune there shift pressures in there racing transmission. Exclusively V.A.R. The Lencodrive comes as a 2 speed with reverse. The car is a 1967 Firebird with a 427ci Chevy engine in it and a 5-speed Lenco CS2. Watch it while someone pushes the shifter button. 1,500 hp Rated. a few years ago Lenco started making a "street" trans to compete with the Jefco. SOLD. They really are simple to operate. Unlike a typical street trans a Jerico does not disengage easily at high speed, but slides effortlessly into the next higher gear level without clutch disengaging. The lenco has definately taken off at least a second in the quarter mile. What many fans might not realize is . When the installed lever is loose that section is in low and when the lever is tight the sections in high. By then the "trans" is getting pretty long and as far as I know 6 speeds is the limit. Ready to ship to its forever home in Ohio. The 2 speed, including reverse, bellhousing and lining weighs approximately 108 lbs. You only need the clutch to start from a stop. Sprag measures 1.040" wide and is similar in design to the helicopter sprag. How did the Three Levers work? I am going a different direction on my project so our long awaited (6 months) Lenco ST1200 4-speed is up for sale. Universal Lenco Mount Kit with slider tubes for 3, 4 or 5 speed Lenco Transmissions.

how to shift a lenco transmissionhow to shift a lenco transmission