• 7:44

    We are into the final steps of our S&S gear drive conversion for Twin Cams. Before installing the Harley cam cover, it is important to check for correct cam gear clearance against the outer cover. S&S instructions recommend, at least .030″ clearance between the gear and the cover. Mike shows us two different ways to

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  • 25:25

    We always like to use S&S adjustable pushrods on our motors. The S&S Quickee pushrod kit (with pushrod covers) is always the best way to go. There are other adjustable pushrod kits available that are less durable than the S&S adjustable pushrods. Also, some kits are difficult to adjust. Many pushrod kits have longer exhaust

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  • 5:35

    There are a a number of quality replacement lifters available for Harley Davidsons. Andrews and Jims are excellent. Fueling and Harley Davidson lifters are also very good. Our first choice, however, are S&S lifters. It can be argued that another manufacturer’s lifters are equally good, but we like to stick with what we know. We

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  • 14:36

    When installing an S&S gear drive assembly, it is important to measure cam gear lash. First, measure gear lash with only the cam gear installed. Then, measure lash with the cam and pinion gears installed. Make marks on the cam gear in four locations; 12, 6, 3, & 9 o’clock. Measurements should be made with

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  • 10:29

    The oil pump can be completely assembled on the bench or piece by piece over the pinion shaft. Either way is fine as long as it is assembled with plenty of assembly lube or clean oil and there is never any binding. Install the oil pump o-ring into its location in the crankcase. This o-ring

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  • 4:38

    Whether you are reusing the stock Twin Cam oil pump or upgrading the oil pump, it is very important to thoroughly clean, identify, and inspect all Twin Cam oil pump pieces before assembling the unit and installing it into the bottom end of the motor. The Twin Cam oil pump is a relatively simple assembly

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  • 11:26

    There is a specialty cam bearing tool that can be used to press the new bearings into the Harley cam plate. The cam bearing tool is meant to be used in conjunction with a hydraulic or arbor press. It is not a big problem if the speciality cam bearing tool is too expensive or not

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  • 10:49

    It is imperative that the inner cam bearing removal is done and they are replaced whenever performing maintenance, repairs, or upgrades to your Twin Cam cam compartment. A specialty tool is needed to, both, cam bearing removal and to replace the cam bearings. Do not attempt replacing these cam bearings without using a tool that

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  • 2:55

    When considering a gear drive cam chest assembly, the Harley crankshaft runout becomes extremely important. The manufacturer of a gear drive assembly will always specify a maximum allowance for Harley crankshaft runout. This allowance should not exceed .003″. It is very important to heed the manufacturer’s instruction and warning. If a gear drive assembly is

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