The Lenco Racing Lencodrive 4 Speed Automatic Transmission represents our response to people who have asked for a safe and affordable torque converter driven transmission. It is not necessary for the driver to disengage the clutch when shifting from ratio to ratio. can someone explain the good and the bad about lenco transmissions. Most people here learn in a manual car, seems odd to me that changing down great might not be second nature to a driver. 1971 Chevelle SS454, T56 Magnum 6 speed, 3.31 Posi. Unsafe downshifting will harm your transmission. Unsafe downshifting will harm your transmission. 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. 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). Lenco, the all time champion and undisputed leader in the drag racing transmissions. Thats pretty much the range you want to try to keep when driving standard. Simply put, once the transmission is in gear, the power runs through a set of planetary gears. I had some really bitchen all billet alum ones made that I can adjust from 0-700 psi. What does this mean, you wonder?
2 Speed + reverser with Std output: 17.500". for the street. Choice of output shaft length and spline. Call our technical department at (909) 673-9080 or email us here with any questions you may have concerning function or applications. The total amount of gear reduction depends on the amount of housings and the overall application of the transmission. Our rpm got to the range where they needed to be and the car started getting speed and we made it up the hill.
From what I remember there is some sort of clutch with each gear but I could be wrong about that. 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. Sign Up today for our FREE Newsletter and get the latest articles and news delivered right to your inbox. 1.41% Uses 23 tooth planet gears, a 32 tooth sun gear and a 79 tooth ring gear. Not only yes, you can, but yes you should when descending a mountain. Air servo or max-adjust shift tower and lever.
Our sister publication is attempting to build an 8-second quarter-mile, '68 Chevy pickup which will also embark on a 450-plus mile trek from Los Angeles to Phoenix without any other changes. 4 speed. LENCO racing transmission is a smaller, lighter and more compact version of our CS1 Standard Design.
- Day Three Build Recap, Week To Wicked: Building a 1955 Chevy in 5 Days! Modern Driveline swaps a TREMEC TKO-600 into a 1957 Chevy in just two days, upgrading from a 1:1 non-overdrive transmission to a five-speed with 0.63:1 overdrive! Downshifting is a skill that will benefit you if used correctly. Those two speeds are (1) the lower underdrive ratio and (2) the direct'1:1 final lock-up drive ratio. Shift to the gear before the one you are on. We offer Turbo 400, C6, Mega and standard Powerglide size input shafts per your requirements. 1.38% Uses 23 tooth planet gears, a 28 tooth sun gear and an 74 tooth ring gear. All Rights Reserved. Jeffco started making "street" trans' & are a less expensive alternative to the Lenco. Reply Each gear is engaged by pulling down on the shift lever, to activate the clutch mechanism for each gear set. We went on a hill which was a perfect example for when to downshift. Competition Eliminator, Super classes, Top Dragster and Pro Stock cars are typical classes where you will find the New Generation LENCO. Copyright © 2020, Lenco Racing. Sprags go bad and would have to be replaced ever so often. Gregg, Check out the Lenco ST1200. Lenco makes a street version of the trans. The middle case would also contain a 1.37 planet gear set. The LENCO ST1200 is the answer for Pro Street and street/strip applications. All cases are magnesium. lolol eGGxactly what i was thinking. Air or lever shift. When the transmission is shifted a clutch pack compresses the rotating sun gear assembly to the direct drive central sun gear. Try calling Jerico, Lenco, and/or Liberty and get their opinions. Braking all the way down will burn up your brakes, boil the fluid, and possibly leave you without brakes at the bottom. are you making enough HP that you cant put a quality Auto in the car or do you just want the "bitchen" factor? The CS2 handles up to 3000 HP; CS3 and CS4 1800 HP.
Lenco celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. You can expand to 3 or 4 speeds by addition of additional cases. A Silver Sport Transmissions hydraulic clutch kit makes installing a modern manual transmission easy. Those two speeds are (1) the lower underdrive ratio and (2) the direct 1:1 final lock-up drive ratio. I don't know how the stick shift ones work.
From what i've seen they seem very bulky. Week To Wicked: Did We Finish As Planned?
The gearset in the third case alone, 1.31:1, determines the third gear ratio.
3 Speed + reverser with Std output: 24.000". Tags: Lenco, the all time champion and undisputed leader in the drag racing transmissions. Once all cases have been shifted the entire transmission assembly is locked in the final 1:1 direct drive ratio. The Lenco provided unbreakable performance and lightening-quick gear changes, which made these clutchless wonders the tranny of choice among the ultimate door slammer crowd. Try calling Jerico, Lenco, and/or Liberty and get their opinions. "Life is tough.,, Life is even tougher if you're stupid.". In a standard car there are 3 pedals unlike automatic that has only two. We’re at the wiring and plumbing stage and we also go about tackling a ton of small tasks in preparation for getting our Monte Carlo on the road, Original Shows, Motorsports and Live Events, Due to the EU’s Global Data Protection Regulation, our website is currently unavailable to visitors from most European countries. i think there is some period in our lifes where we decide what is just the coolist stuff on earth.
The gearset in the third case alone, 1.31:1, determines the third gear ratio. But extreme cost-among other things--has always been a huge inhibitor for all but the stoutest of street-driven machinery. 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. Lenco offers an extensive variety of transmissions. Each case in succession.
even as technoligy changes and gets better, even as we see more things. ST1200 Street Strip 1.31% Uses 27 tooth planet gears, a 25 tooth sun gear and an 80 tooth ring gear. The rear case a 1.31 ratio gearset. We were rolled back as the car started to shake which meant the car was going to stall out.