Now taking all the lash out by lifting up on the clutch housing (outer housing) and press down on the pressure plate then measure the distance between the top of the pressure and the bottom of the snap ring groove of the clutch housing, This is your clutch pack clearance. This is a very extreme duty sprag assembly.

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. 1.44% ratio uses 22 tooth planet gears, a 35 tooth sun gear and a 79 tooth ring gear. 1.25% (Small shaft gearset) Uses 32 tooth planet gears, a 22 tooth sun gear and a 86 tooth ring gear. This is what comes standard in most new LENCO transmissions. HAS BRONZE BUSHING FOR INPUT SHAFT PILOT. 1.46% Uses 22 tooth planet gears, a 37 tooth sun gear and an 80 tooth ring gear. It would deliver 1.30 times that number to the third case section and so on. Please contact Billy Johnston for all questions or details. Each LENCO transmission is thus a two speed and is housed in one dedicated two speed. First you always start with at least one floater and then a clutch disc and repeat ending up with at least one floater. 1.19% Uses 21/33 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. First you need to determine which style clutch packs you are working on see chart. The middle case would also contain a 1.37 planet gear set. 1.500% Uses 19 tooth planet gears, a 38 tooth sun gear and a 76 tooth ring gear. Please enter 5 or 9 numbers for the ZIP Code.

This item will ship to United States, … Now rotate counter clockwise 1/2 to 1 turn and tighten lock nut. This amount is subject to change until you make payment. For example, a three speed requires two cases. If it is necessary to remove the servos you should reinstall with the lock nut spun completely to the top of its travel. 1.17% (1.165) - Uses 22/38 tooth planet gears, a 24 tooth sun gear and an 84 tooth ring gear. Our blue, green and tan disc are supplied new at approximately .058"- .061" thickness. Large Sprag Assembly - This is our large sprag and unlike the small sprag doesn't have a snap ring in the outer race and has two brass thrust washers. Lenco celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. Once installed, make sure the air servo is loose and can turn freely. Since each case contains one gearset and provides both underdrive and direct drive, multiple cases (gearsets) provide multiple underdrive ratios. Apply a small amount of Red (271) Locktite on the set screw. 1.479% Uses 19 tooth planet gears, a 35 tooth sun gear and an 73 tooth ring gear. component, Burnout's (on all LENCOS): 1.20% Uses 22/32 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. Now rotate counter clockwise 1/2 to 1 turn and tighten lock nut. The CS1 will control up to 3000 HP.

SOLD. <]/Prev 120135>> The middle case would also contain a 1.37 planet gear set. Glazed, burned and chipped discs must also be replaced immediately. Earn up to 5x points when you use your eBay Mastercard®. Lenco Racing machines our input shafts from 300M and Marage stock. 1.21% Uses 21/31 tooth planet gears, a 24 tooth sun gear and a 76 tooth ring gear. Warning: Do Not over tighten set screw.

This clearance should be between .080"-.120" and can be adjusted by adding or subtracting floaters . RATIO CHART 1.356% Uses 23 tooth planet gears, a 26 tooth sun gear and a 73 tooth ring gear. The item you've selected was not added to your cart. Excludes: Alaska/Hawaii, US Protectorates, APO/FPO, Africa, Asia, Panama, Virgin Islands (U.S.), Jamaica, British Virgin Islands, Grenada, Trinidad and Tobago, Puerto Rico, Dominica, Belize, Haiti, Saint Kitts-Nevis, Turks and Caicos Islands, El Salvador, Montserrat, Antigua and Barbuda, Cayman Islands, Aruba, Saint Lucia, Guatemala, Netherlands Antilles, Saint Vincent and the Grenadines, Dominican Republic, Guadeloupe, Martinique, Costa Rica, Anguilla, Honduras, Nicaragua, Barbados, Europe, Middle East, Greenland, Mexico, Canada, Saint Pierre and Miquelon, Bermuda, Oceania, Southeast Asia, Paraguay, Falkland Islands (Islas Malvinas), Suriname, Guyana, French Guiana, Bolivia, Argentina, Ecuador, Chile, Peru, Venezuela, Brazil, Colombia, PO Box, Angola, Cameroon, Cambodia, Djibouti, French Polynesia, Libya, Mongolia, Mauritius, Somalia, Brunei Darussalam, Chad, Madagascar, New Caledonia, Western Samoa, Bahamas, Iran, Western Sahara, Wallis and Futuna, Nepal, Mali, Fiji, Gambia, Kyrgyzstan, Laos, Papua New Guinea, Congo, Republic of the, Seychelles, Sudan, Uganda, Vanuatu, Burma, Burundi, Cuba, Republic of, Congo, Democratic Republic of the, Kiribati, Reunion, Yemen, Ghana, Liberia, Sierra Leone, Central African Republic, Comoros, Tuvalu, Lebanon, Niger. endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text]>>/Rotate 0/Type/Page>> endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <> endobj 10 0 obj <> endobj 11 0 obj <> endobj 12 0 obj <>stream In order to achieve an underdrive first gear launch ratio the LENCO transmission relies on planet gears which rotate around the sun gear. 1.56% Uses 22 tooth planet gears, a 55 tooth sun gear and a 98 tooth ring gear. 0000104127 00000 n New and Used Parts When this same section is shifted the Sprag then allows the sun gear to rotate in the same direction as the crankshaft. Screw air servo counter-clockwise about five or six turns before you reassemble the transmission. Each LENCO transmission is thus a two speed and is housed in one dedicated two speed case.

0000078429 00000 n 1.48% - Uses 22 tooth planet gears, a 40 tooth sun gear and an 83 tooth ring gear. See(input diagram). %%EOF Before you install the transmission you must measure the clearance between the pilot bearing end of the input shaft and the rear face of the pilot bearing. Run air servo jam nut and o-ring down against the case and tighten with a 1 1/2" wrench. 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.

1.25% Uses compound 25 and 29 tooth planet gears, a 25 tooth sun gear and a 76 tooth ring gear. 1.38% ratio uses 23 tooth planet gears, a 28 tooth sun gear and a 74 ytooth ring gear. 0000104409 00000 n 1.41% - Uses 24 tooth planet gears, a 34 tooth sun gear and a 83 tooth ring gear. 0000078079 00000 n The second lever, and second tallest, is used for third gear. Add fluids as necessary and install fill plug. 1.25% - Uses 34 tooth planet gears, a 23 tooth sun gear and a 91 tooth ring gear. rwrmotorsports has no other items for sale. 1.378% Uses 23 tooth planet gears, a 28 tooth sun gear and a 74 tooth ring gear.

Multiply the two rear case gearset ratios to determine the second gear ratio of 1.80:1. It is not necessary for the driver to disengage the clutch when shifting from ratio to ratio since all shifting is done with the engines clutch fully engaged, R577980       Raybestos   Gen2   (Blue) 1.68% Uses 15 tooth planet gears, a 62 tooth sun gear and a 91 tooth ring gear. 0000115141 00000 n 1.46% - Uses 22 tooth planet gears, a 37 tooth sun gear and a 80 tooth ring gear. When the transmission is shifted a clutch pack compresses the rotating sun gear assembly to the direct drive central sun gear.

1.24% Uses 26/31 tooth planet gears, a 23 tooth sun gear and an 80 tooth ring gear. Now rotate counter clockwise 1/2 to 1 turn and tighten lock nut - Uses 30/35 tooth planet gears, a 23 tooth sun gear and a 90 tooth ring gear. 1.280% Uses 27 tooth planet gears, a 21 tooth sun gear and a 75 tooth ring gear. When discs wear to .052" or less they must be replaced.

0000002563 00000 n Unfortunately, we no longer sale small Sprags do to the ever increasing horse power produced with today's motors. In the example of a four speed, the case nearest the engine would contain a 1.37 ratio planet gear set. Assemble next section on to case and bolt tight. Seller assumes all responsibility for this listing. The arm is held into the servo piston by a set screw. Warning: Do Not over tighten set screw. 1.500% Uses 19 tooth planet gears, a 38 tooth sun gear and a 76 tooth ring gear. 1.31% - Uses 27 tooth planet gears, a 25 tooth sun gear and a 80 tooth ring gear. 0000048483 00000 n 0000115366 00000 n We acheive more than two speeds by combining multiple cases. SERIOUS INQUIRES ONLY. Get the item you ordered or get your money back.

Behind the production of all TMRC components are experienced and qualified craftsman, welders, programmers, and the latest equipment such as Haas CNC machines to certify that every weld, cut and machined part is precise, consistent and of the utmost quality. Lenco Racing machines our input shafts from 300M and Marage stock. The Lenco transmission is widely used in drag racing in many classes. The arm must be free to move in all directions. 1.34% - Uses 24 tooth planet gears, a 25 tooth sun gear and a 74 tooth ring gear. 0000115973 00000 n The Lenco transmissions have more drag from the seals, clutches, sprags/one way roller clutches, and much more gear tooth contact than the Jerico does. 1.19% Uses 21/33 tooth planet gears, a 22 tooth sun gear and a 76 tooth ring gear. Shipping and handling . Apply a small amount of Red (271) Locktite on the set screw. Those two speeds are (1) the lower underdrive ratio and (2) the direct 1:1 final lock-up drive ratio. Double Large Sprag Assembly - This is our double large sprag assembly and is used primarily in the boat applications, but has found its way into some car applications. 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. In general, all LENCO transmissions are a planetary design. input shaft billet aluminum cases; lenco racing transmissions, inc. ... $500.00 non-refundable deposit to start transmission; balance due when completed note: all transmissions come with the following: ... lenco shifter - new style (hex-type) part no. Lenco Racing machines our input shafts from 300M and Marage stock. Apply a small amount of Red (271) Locktite on the set screw.

Remove fill plug on top the transmission case you are going to adjust. You always need to come out of the water box in high gear to prolong the life of the transmission. Rotate air servo into case until you see the set screw in the air servo piston boss inside the case. Screw the servo into the transmission case until contact is made with the shift fork pin.



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