FLAT TAPPET, HYDRAULIC ROLLER ????
#2
RE: FLAT TAPPET, HYDRAULIC ROLLER ????
Roller should have been stock. Roller lifters have a "wheel" that rides on the lobe of the cam. flat tappets are just that, flat. The bottom of the lifter is flat and that is what rides on the cam lobes. The roller creates much less drag and friction and also allows for steeper ramp angles on the cam lobes
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uberstang1
Classic Mustangs (Tech)
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09-20-2015 06:42 PM