Quote:

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Received a e-mail from lunati Tech(from the e-mail address I got from snoopy) He tells the washer/metering plate should have the RAISED CENTER towards the plunger cap. This is the way about 60% was assembled.

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I'd suggest changing the other 40% over per the Lunati tech's instructions & call it good. But I am a firm believe in taking apart/inspecting every part (within reason) including lifters especially in this situation since since the assembly line worker was obviously having a problem of some sort on the day he assembled this batch of lifters. Take each one apart, inspect them, switch the 40%, reassemble & you're ready to move onto the next issue when it transpires and it will .