How to Retrofit Roller Lifters
Retrofit roller lifters are used with engines that do not come equipped with a hydraulic roller camshaft and lifter from the factory. The installation of a retrofit roller lifter will require a hydraulic roller lift kit. A hydraulic roller lift kit includes eight lifter assemblies. Each lifter assembly consists of an intake and an exhaust lifter that is attached to a tie bar.
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Instructions
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1
Change the oil and oil filter for your vehicle. You can do this yourself or have it done professionally.
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2
Align the lifters on the engine block using the lifter guides included with the lifter installation kit. Make sure that the guide bar is facing the opposite side of the engine block.
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3
Place the hold down spider over the top of the lifter guides. Verify each tab on the spider makes contact with the center of the lifter guides.
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4
Insert the hold down bolts that are included with the lifter installation kit into the mounting holes of the hold down spider. Torque the bolts to 18 foot-pounds with the torque wrench.
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5
Rotate the engine by hand to position the number “1” cylinder into TDC firing position. Both lifters for the number “1” cylinder will be down inside the lifter bores.
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6
Set the rockers for the engine to “zero” lash. Spin the push rod while tightening the rocker nut by using the socket wrench. You will be at “zero” lash when you encounter resistance tightening the nut.
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7
Turn the rocker nut 3/4 to one full turn beyond the “zero” lash. You have now successfully adjusted the preload for the number “1” cylinder. Set the preload for the remaining engine cylinders.
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Tips & Warnings
If you are installing the lifters on a Ford 289 to 302 engine, the heads must be removed to obtain the clearance necessary to install the lifters.
