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. Jeffco started making "street" trans' & are a less expensive alternative to the Lenco. A shift inhibit circuit compensates for tire spin. Lenco 05304 LDP-50M Red, Male Connector. The last section is reverse. This transmission is brand new, never run, never installed and will come in the original shipping box. Magnesium Case. Recesses in the top of the cases to fit separate CO2 pods. 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). 3D-printed CO2 pods. Sections 3 and 4 contain 1 gear each, for 3rd and 4th gears. All transmissions, once assembled,. 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. The Lenco is basically a planetary transmission where each gear has its own housing and its own shift lever. September 14, 2014, 04:24 PM. * All internal parts fully manufactured in our 50,000 square-foot facility. 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. Reply in reply to Ronnie speedyk a year ago Thank you for that! Ready to ship to its forever home in Ohio. You can expand to 3 or 4 speeds by addition of additional cases. How sweet would it be to have a clutchless planetary tranny in the subaru! • Built in default delay circutry allows upshifting even if there is no RPM drop between shifts. This highly efficient and unique transmission solution would be a real asset for drag racers. His dial-in time is 10.60 and his ET for this race was a 10.61. Find many great new & used options and get the best deals for Lenco CS-1 racing transmission 3 speed with reverser air shifted at the best online prices at eBay! 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 . 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. 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. Mounts within easy reach of the driver and works well with our vertical gate shifter sold separately at the top of this page. Comes with all hardware necessary. This is a new and improved Lenco 3-speed transmission which uses a new 3D-printed master. LENCO Shift Pressure Gauge Jerry Bickel LENCO Transmission Mounting Kit All instructions and support documents/paperwork View Full Description. Now you can set different rpm points to trigger the shift solenoids. Lenco Racing Street Transmission ST1200, 6 speed. 1. When this same section is shifted the sprag then allows . This is a new resin item cast from a 3D-printed master. ~ Watch for the fluid in the hose to change color from the old fluid (iced tea or cola colored) to clear (if you're using synthetic) or a pale yellow. a few years ago Lenco started making a "street" trans to compete with the Jefco. 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. Each solenoid activation is programmed in 100 rpm increments. David answers a few FAQ on CS-1 thru CS-4 Transmissions. Each lever is responsible for changing the gears. Jeffco started making "street" trans' & are a less expensive alternative to the Lenco. The arm and housing are made from billet heat treated steel that has been black oxide coated and inside there is an alum. (909) 673-9080 The 2 speed, including reverse, bellhousing and lining weighs approximately 108 lbs. The BRT revolutionized the industry by giving racers a safe, consistent, yet reliable alternative to the . 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. From what I remember there is some sort of clutch with each gear but I could be wrong about that. If it takes over one second to reach full pressure at the pod, you have a restriction (regulator, line, button). Lenco will free wheel in 1:1 too, you don't shift into a gear with a lenco, you take it out. Lenco's transmissions can either be manually shifted or gas shifted with CO2. Originally started by Top Fuel racer, Mike Strasburg at B&J Transmissions, it is now run by Steve Graves and family. Follow. What this means in practice is you use the clutch pedal to engage first and reverse . He designed the JEFFco to withstand the Pro Stock division of NHRA. This shift button assm. LENCO transmissions are shipped with the shift levers removed in order to prevent damage during shipping. The trans was fine but since I was at 1000hp it was hard to get the clutch right so it would hold the power yet be slip to launch the car. Adding or upgrading an air shifter is a great way to improve drag racing shift performance for your vehicle. 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. They really are simple to operate. SOLD. Air Shifter Kits & Accessories. The ST1200 gives you the advantage of Lenco brute strength at a lesser price than our full race units. Watch it while someone pushes the shifter button. Lenco Parts and Price List is available here. Apr 08, 2022 Brian Lohnes 1320 Videos, BangShift 1320 1. As far as a your inquiring on a clutch, it is the only way to go. • Double safe operation electronically and mechanically holds air to pot after upshift. The sprag clutch is utilized in each shiftable section of the Lenco with the exception of the reverse. A three speed has two cases, a four speed has three cases, and a five speed has four cases. Universal kit will fit 3, 4, or 5 speed Lenco Transmissions. You can expand to 3 or 4 speeds by addition of additional cases. Each gear is engaged by. To understand the powerflow of this transmission, think of each section as a simple 2-speed. from the muscle car era 4spds to the best Lenco, G-Force, Tex . The individual levers dis-engage the clutch pack which shifts the unit from underdrive to direct. 5-Speed $10,250. Any new EXTREME transmission is available set up for a Torque Converter Drive Unit at no extra charge. Most Lenco shifters are currently on back order, please call for availability. The Lencodrive is the shortest and lightest torque converter driven transmission available anywhere. Enjoy the video :) SUBSCRIBE to see . What's neat is that he pulls all five gears in the eighth mile. How did the Three Levers work? Just show off once and I can pretty well be sure that I will miss a shift and look like an idiot. 4,596 Likes Received: 178 Look at a Lenco as being a manually shifted automatic transmission. David answers a few FAQ on CS-1 thru CS-4 Transmissions. No alterations to the transmission, other than the external operating system itself, are required. 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. Simple to use when pulled up the racer can read how many pounds of pressure is being supplied to make a shift. Works with most any ignition system that can provide a tach signal. 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. Quick Drive, LLC is based out of Parker, Colorado. Really only use the clutch on the first gear just to engage it. LENCO ST1200 Street/Strip transmission. 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. and profile machined to keep weight at a minimum on the race car. New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). It was a single blown 500 cu. You get what you pay for. 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. One lever per gear, as Seattle Mike stated. SERIOUS INQUIRES ONLY. This amazing video from Valvoline features Gray Motorsports and the teams' car chief, Hank, as he gives a great rundown of just how these transmissions work. See all 64 photos The transmission grows as sections are added and bolted together. I ended up using a Mcleod dual disk . B&J Big Boy 3 Speed. Also, on the Hypermaxx car, I run the shifter pressure higher (due to the car weight vs. tourque), between 190 and 195 psi. Made from billet alum. 8204. Magnesium Tailhousing (Bushing or Roller Bearing) 300M 32-Spline Output Shaft. Lenco makes a street version of the trans. Universal Lenco Mount Kit with slider tubes for 3, 4 or 5 speed Lenco Transmissions. I would never change back to a clutch assisted , cluster gear trans again. That's the primary reason these transmissions are shifted from front to back. This highly efficient and unique transmission solution would be a real asset for drag racers. Owners of older ST1200 transmissions, also have a great opportunity to refine their transmissions with more reliable parts, ratios, and even new casing, since . I have since changed to a Lenco 5 speed with excellent results. The lenco has definately taken off at least a second in the quarter mile. Mounting tubes allow you to slide the transmission back for servicing and a quick pin helps secure the transmission in place. The Quick Drive converter drive unit operates similar to the Bruno, allowing coupling of torque converter setups to B&J, Lenco or Liberty transmissions. A Lenco's first gera is the multiplication of all the gears in each section with the high gear always 1 to 1. Stuck at home watching the live feed trying to save money to finish my galaxie in time for next year. SOLD. Its used to force the gear set to make it's ratio by preventing the sun gear from rotating in one direction. To install lever remove bolt, insert lever in shift tower so that it faces forward and install bolt. Free shipping for many products! You only need the clutch to start from a stop. Commonly mounted on the steering wheel of the race car or it can be mounted where the racer chooses. That's how they operate: Now let's take a look at the mechanics of it all. When the installed lever is loose that section is in low and when the lever is tight the sections in high. This 1,500 hp rated custom Hughes Performance 4L80 for 4x4's is an Extreme. They can bolt as many as 5 units together for 6 speeds. When you pull the shift lever for a case, you lock that section from its ratio to 1:1. All ST1200 Street units now come with low drag bearings and a billet case. Take the Hurst Lightning Rods, an aftermarket performance shifter marketed in the 1980s. Lenco CS 1, CS 2 or CS 3 shift pressure scale. Description. 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. This version is for CO2 shifting and not manual shifting levers. Source: oldcarbrochures. 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 car is a 1967 Firebird with a 427ci Chevy engine in it and a 5-speed Lenco CS2. Trades Not Accepted . A helper would be handy!). 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. John, put a pressure guage at the shifter pod. Description. I had a Lenco ST 1200 in my TTSBC Camaro. is the industry standard for B&J or Lenco CO 2 air shifted transmissions. This kit is easy to install but will require some fabricating and welding. The gears can be set up in any direction, left to right or right to left. Posted 6 days ago. Not many people have seen inside of these transmissions! CROWER & RAM TRIPLE DISC CLUTCHES. . All LENCO transmissions can be shifted with levers or a CO2 system. 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. Simply put, once the transmission is in gear, the power runs through a set of planetary gears. Payment Details. 32 Spline Output Shaft Manual Shift with Low/Reverse Lever Ratio Unknown. It was a good transmission and a blast to drive. More fastener detail. CO2 shifting is accomplished by an air . 1,500 hp Rated. The idea behind the Lenco is simple, but the engineering was not simple. . Lenco's don't really count as stick because they are basically an automatic with shift levers for each planetary gear set. lenco transmission shifting 0 views Discover short videos related to lenco transmission shifting on TikTok. You can't downshift or re-engage a gear set, they go only one-way. What many fans might not realize is . 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. This gadget employed three shift levers to accomplish everything that a single lever could do. $5,688. By then the "trans" is getting pretty long and as far as I know 6 speeds is the limit. 4-Speed $9,450. * Total control of design, development, manufacturing and assembly. This will allow for free play in the shift system. The Lencodrive is the shortest and lightest torque converter driven transmission available anywhere. How a Lenco Works The Lenco Racing ST1200 4 Speed Transmission has been specifically designed and engineered for severe duty street/strip applications. Description. . However I imagine to have one custom fab'd to fit to the EJ blocks would be as . Only problem is, Lenco's are expensive and need lots of attention. 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. 300M Input/Cluster Shafts. Planetary transmissions rely on a central sun gear to provide a 1:1 direct drive ratio once shifted from the launch ratio. The American Powertrain Parting Shift: Ripping Gears On The Street In A Jeffco Equipped El Camino. Any transmission configuration can be used (up to a six-speed) with either a 12-volt activated solenoids or pulse signal activated solenoids. Lenco & Jeffco are both here in San Diego. Lenco Racing Street Transmission ST1200, 6 speed. I took it out when I started racing the car more and changed to an automatic. Lenco & Jeffco are both here in San Diego. Products. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Rebuilding the Lenco CS1 transmission in the 2500hp street car! Keep in mind, I am no advocate for buying used up old racing parts. 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. ~ Once all the old fluid is out of the line squeeze and hold the clutch lever and close the bleeder valve. Features: • Allows RPM controlled upshift each at a different RPM. This is a complete Lenco transmission configured for 4-speeds with reverse. 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. Many cars with 1200hp or less will also find benefit in using 1st-over which will net a really nice 4spd spread of 1.76, 1.33, 1.00, 0.78. or 1.82, 1.41, 1.00, .78 . Exclusively V.A.R. Lenco trans rules. The new Lenco product is designed to handle up to 1200 hp and shift gears without any delays. When the car is retired from the dragstrip, I will definately leave the Lenco in the car, to drive on the street. If I read the rules correctly you pretty much get kicked . Like mentioned, you can get as many gears as you want, they basically "add on". a few years ago Lenco started making a "street" trans to compete with the Jefco. Simply pull levers when the desired rpms are reached in each gear. piston that the rod will engage . 3 runs taped inside and outside of the car in winterport maine winterport dragway And when they say pull a gear it means pull, the detents are set at about 35lbs ( before air shift a rookie topsportsman would pull the steering wheel to leverage against the sticks) all-in-all it isn't street friendly. in Chevy. 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. This in-car shot video shows a. In February 1992, the US patent office awarded the BRT Converter Drive US patent #5090528 for its unique innovative design. The Lencodrive comes as a 2 speed with reverse. Owners of older ST1200 transmissions, also have a great opportunity to refine their transmissions with more reliable parts, ratios, and even new casing, since . See the seller . 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. Ready to ship to its forever home in Ohio. LENCO CS1, 4-Speed Transmission w/Hex Shifter, Gear Ratios: 2.85 - 1.90 - 1.37 - 1 to 1 . This kit provides an easy way to change your Lenco transmission into reverse. Sprag measures 1.040" wide and is similar in design to the helicopter sprag. CS3 Tech Gear Ratios CS3 Each sun and planet gearset represents two speeds. Not big ones, but they were the ones that Jeff worked so hard to eliminate when he configured the first JEFFco Transmission. The Lenco is a clutchless transmission. Lenco shift pressure checking lever assm. 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, Improvements include: Sharper overall detail. The Lencodrive comes as a 2 speed with reverse. Follow. Pistol Grip Manual Shifter. They are an awesome piece, and well worth the money. range back then. The 2 speed, including reverse, bellhousing and lining weighs approximately 108 lbs. * All American-made, premium-quality materials. Normally one uses a clutch to launch and after the run use a clutch when slowing down but NO clutch to shift. This is an in-car shot video of Mike drag racing his 73 Duster using a clutch-less Lenco Transmission. Then, continue to screw air servo Out (counter-clockwise) one half turn. The front section contains gears 1 and 2 and is mandatory. 4L80E Race Transmission (4x4), Manual Shift with Trans-Brake. Since 1980. MPN: Description. Please contact Billy Johnston for . It is a one-piece unit including 3D-printed shifter levers. The new Lenco product is designed to handle up to 1200 hp and shift gears without any delays. Lenco's are modular 2 speed planetary transmissions. Each planetary gear set is in its own housing and carries a higher ratio. This scale used with part number #2630-0013 can help a racer fine tune there shift pressures in there racing transmission. There is no engine braking with a lenco. It held up well for us. Material Gears. Joliet , IL. • Remote air dump and auto reset. 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). * Producing and selling 2 Speed, 3 Speed, 4 Speed, and 5 Speed transmissions for a variety of applications. A standard Lenco ST1200 will run you $4750 with standard bearings and coarse spline output shaft. SOLD. The shift button is set up with two 1/8" pipe ports. The BRT Converter Drive was invented, racetrack proven and perfected in late 1989 by Bruno's Automotive. Because these units are shifted by a clutch pack, it's much easier to upshift at 3000 hp than 7273. I am going a different direction on my project so our long awaited (6 months) Lenco ST1200 4-speed is up for sale. The unit we had is no longer available, it was a two speed with direct and 25% overdrive. To me, it is a real pleasure to watch a stick car go down the track when the driver knows how to shift. 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. It was probably in the 1,000 to 1,100 H.P. This means that if typical driving is what one is looking for, one may just push the two .
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