04:23:42am, Saturday, May 18, 2024
roller cam with flat tappet lifters
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Anonymous User
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Can you run a roller cam if you have flat tappet lifters? Needing to get a new cam and was wondering if you could do this? Thanks in advance for the help. |
Re: roller cam with flat tappet lifters
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Anonymous User
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NO |
Re: roller cam with flat tappet lifters
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Unsure
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Can you run roller lifters with a flat tappet cam? |
Re: roller cam with flat tappet lifters
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Anonymous User
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No. Flat tappet cams are cut to spin the lifter, rollers can't spin and the roller will cut a grove into the lobes. |
Re: roller cam with flat tappet lifters
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???
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If you have ever seen a ROLLER cam and a FLAT tappet cam, the same grind looks totally different from each other. They are not interchangable!!! |
Re: roller cam with flat tappet lifters
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Registered: 10/21/2008 Posts: 756 |
I just went to my machine shop and saw a mix match mess. A roller cam with flat tappets WILL NOT WORK AT ALL. The flat tappets will not spin in the bore and will gall and cut the cam. Usually the cam ramp is much too steep to lift the lifter withour gouging the cam with the edge of the lifter. |
Re: roller cam with flat tappet lifters
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the truth revealed
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roller lifters ride only on the tip of the roller (a very small surface area). Flat tappet lifters ride on the entire surface of the tappet (a huge surface area). So the cam actually starts lifting on the edge of the tappet. Then slides across.
This is why the 2 dont interchange |
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