Solid vs hydraulic lifters

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Feb 13, 2007 | 05:53 PM

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Thread Starter

Race Director

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From: Scottsdale Arizona

Solid vs hydraulic lifters

By looking at the lifters themselves, how do you tell the difference between solid and hyraulic flat tappet lifters? Most of the solids that I've looked at seem to have a groove in the lower body that the hyraulics lack. The middle "flexible" section of the hyraulic lifters seem to have one or two ribs vs a smooth body for the solids. Are these random or brand observations or real differences?

Feb 13, 2007 | 10:07 PM

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No one out there know?

Feb 13, 2007 | 10:40 PM

roger55

Burning Brakes

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From: San Angelo TX

Use a push rod and push down into the seat on the lifter with it sitting on a solid surface.

Any movement - hydraulic
No movement - solid

Feb 13, 2007 | 10:41 PM

calwldlife

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From: Southern Cal Ca

St. Jude Donor '22

Quote:

Originally Posted by roger55

Use a push rod and push down into the seat on the lifter with it sitting on a solid surface.

Any movement - hydraulic
No movement - solid

Feb 13, 2007 | 11:03 PM

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Thread Starter

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From: Scottsdale Arizona

Quote:

Originally Posted by roger55

Use a push rod and push down into the seat on the lifter with it sitting on a solid surface.

Any movement - hydraulic
No movement - solid

Thanks guys. I knew that there was a trick. The simpler the better

I'm kind of amazed that there is no visual differences though.

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