Lifter noise

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12-01-2013, 02:39 PM

COLDLZ

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Lifter noise

I have a stroked 6.0, 402, with excessive lifter clatter, 600 lift EPS cam, stock LS lifters. what is the solution? I'm new to LS motors, old guy, do I need a server duty lifters, bar lifters? Thanks for any advice.

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12-01-2013, 02:57 PM

ULTIMATEORANGESS

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LS7 lifters ive heard are a good replacement.

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12-01-2013, 03:03 PM

high impact

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What's your preload? How old are your current lifters?

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12-01-2013, 03:10 PM

COLDLZ

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Lifters

The lifters were new, preload, I don't know, but the guy who adjusted them is a competent GM mechanic. He has tried different preloads to no avail.

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12-01-2013, 07:28 PM

HRD

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Well, unless you have aftermarket adjustable rockers, they aren't adjustable. You have to measure and order different length pushrods. Are you sure he "adjusted" them?

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12-02-2013, 10:53 PM

COLDLZ

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lifters

Push rods were measured to be correct length. When I say "adjusted", I'm speaking in terms of the 1960's. I'm 67, this new tech is Chinese to me. Thanks

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