Lifter Carnage

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10-15-2013, 08:18 PM

#11

black00chev

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Quote:

Originally Posted by stock48

That's complete garbage then. I have those running with 100k + mile truck lifters. What broke roller or did plunger assembly fail?

Plunger assembly on mine was the problem. You could take a push rod, and by hand push down on the lifter without much effort. Tried on one of my original truck lifters, never budged.

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10-15-2013, 08:28 PM

#12

stock48

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They prob bleed down the bounce and crack wheels.

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10-15-2013, 09:22 PM

#13

craigsix

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scoggindickie has the better caddilac lifters now.

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10-15-2013, 10:01 PM

#14

WICKEDOWESIX

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I heard that the ls7 lifters like a lot more preload than the norm. ~.080" ~.090". I have them as well with out any issues.

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10-16-2013, 02:01 PM

#15

banker099

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Quote:

Originally Posted by stock48

They prob bleed down the bounce and crack wheels.

i'm thinking this is what happened on mine...

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10-16-2013, 02:26 PM

#16

MPFD

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What diameter pushrods are you using? Valve train harmonics are usually what kills these lifters. My valve train guy has more LS engines running 8500+ RPM on stock lifters then you can shake a stick at...