solid cam and hydrolic lifters? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-26-2004, 09:07 PM
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solid cam and hydrolic lifters?

A friend just gave me a used solid lifter camshaft for my 350.

When he gave it to me he was wondering if you could use a solid cam with hydrolic lifters?

Is there a difference in the metal on the cam? I know you can buy solid or hydrolic cams... so there must be some difference...

Thanks
Sean

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Old 03-26-2004, 09:09 PM
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bad idea i dont know the specific differences in the material but its not compatible.
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Old 03-27-2004, 12:13 AM
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There is no difference in the cam material, it is the way the cam is ground. Solid lifter cams have clearance ramps built into the grind on the lobes. This gently raises and lowers the lifter off the base circle to take up the lash. If you try to use a hyd lifter on the cam your duration figure will be way high with no horsepower gains.
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Old 03-27-2004, 07:55 AM
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I've always been told that the solid cams were harder than the hydraulic ones ( chilled Iron ). I've seen several engines that they tried to use hydraulic lifters on solid cams, and it did not work, usually destroys the engine.

Troy
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Old 03-29-2004, 09:24 AM
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Solid lifter and hydraulic lifter cams are ground from the same camshaft blanks, therefore there is no difference in the material. Like Bob says, there is a distinct difference in the way the clearance ramps are designed on solid lifter cams.
Have heard some people say that they have had good results by running hydraulic lifters on a solid cam and vice-versa, but they were probably just lucky. Personally I would never run a cam any way but they way it was designed. Cam manufacturers spend many hours and dollars on research and development and their advice is priceless.
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