Tech Tips Application Size Spline Six Simple Steps for Ordering a Flaming River Steering System: 1. Choose the type of intermediate shaft you will be using— Splined or DD. This will determine one side of the Universal Joint that you will need to order. 2. Determine whether you will need a two or three U-Joint system. This is dictated by the angle—we recommend a 15° angle for the optimal setup, however up to 30° is acceptable. If using a three U-Joint system, a Support Bearing is necessary. The center U-Joint should either be 3/4" DD X 3/4" DD or 3/4”-36 X 3/4"-36 depending on whether you are using splined or DD shafts. 3. Use the Reference Application Chart to select the proper Rack and Pinion or Steering Box spline size for your system. If the chart does not list your application, just measure the diameter of the shaft and count the number of individual splines. If there is a flat, count half of the splines and then double that number. 4. Measure your column’s output shaft. If it is a DD shaft (two rounds, two flats), then measure the rounds—it will either be a 1” DD or 3/4" DD. If there are splines, then measure the diameter and count the individual splines—it will either be 1”-48 or 3/4”-36. 5. If you are using splined shafts and a two U-Joint system, then measure the distance between the steering gear shaft and the column and then subtract 3-1/4”. Round this number up to the next whole number to determine the shaft length you require. 6. If you are using a three U-Joint system, we recommend using dowel rods to mock up the system. Simply measure the length of the dowel rod and this will be the length of the shaft you will require. DD shafting can easily be cut down to size. Important Notes: • Phasing – Keep the forks of the yokes closest to each other in line, and parallel to the center of the shaft to avoid binding. • NEVER weld a Universal Joint! Welding reduces the strength of the metal and can melt the needle bearing seal. • Set screws are supplied on all splined and DD Universal Joints. However, it is necessary to indent, by drilling, the shaft to properly secure the set screw mechanism. A red thread locker should also be used. Periodically inspect the set screws to ensure tightness. • The shaft should be installed 7/8” into the yoke (flush). A shaft that does not engage fully, could sacrifice the strength of the system. However, if a shaft is too long, it can cause the shaft to interfere (bind) with the operation of the system. GM Column Small Spline Large Spline Small DD Large DD 3/4”-36 1”-48 3/4”-DD 1”-DD .750 1.00 .750 1.00 36 48 DD DD Ford Column Small Spline Small DD Large DD 3/4”-36 3/4”-DD 1”-DD .750 .750 1.00 36 DD DD Application Size Spline Dia. Spline Steering Column 93 Dia. Spline Steering Boxes & Racks Ford Rack Mustang II & Pinto Manual Mustang II & Pinto Power 9/16”-26 3/4”-36 .563 .750 26 36 Ford Box Manual & Power 3/4”-36 .750 36 GM Box Manual Vega Corvair Corvette (63-68) Corvette (69-82) Model 122 (65-85) Model 525 (86 - Present) 5/8”-36 5/8”-36 3/4”-36 3/4”-30 3/4”-30 3/4”-36 3/4”-30 .625 .625 .750 .750 .750 .750 .750 36 36 36 30 30 36 30 GM Power Box Model 605 (78-84) Model 800 (77-Prior) Model 800 (78-Present) 3/4”-30 13/16”-36 3/4”-30 .750 .813 .750 30 36 30 GM Rack 79-Present Variations Corvette (84-Present) Fiero 5/8”-36 3/4”-30 17MM DD 17MM DD .625 .750 .670 .670 36 30 .570 .570 Chrysler Box or Rack Omni Manual Omni Power Power Box Manual Box 9/16”-26 9/16”-36 5/8”-36C 3/4”-36 .563 .563 .750 26 36 36 36 Misc. Jaguar & MGB VW Rabbit - Diesel BMW 3/4”-48 3/4”-36 17MM-54 .750 .750 .670 48 36 54
FlamingRiver_Catalog
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