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Old 06-10-2021, 08:54 AM   #15
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Join Date: Feb 2005
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Quote:
Originally Posted by ike84 View Post
Rad is right. I read that tsb, it actually specifically says that the parts are not to be intermixed. There are certainly a few people who have done that swap though and it seems like no one killed their motor in doing my so.

I'm all for updating parts, but with the available evidence this seems a bit sketchy to do.

This may be a silly thing to say, but who cares about startup chain rattle? If the ramps are good, your cam deviations are good, and the oil pressures are fine I personally think this is a non-issue.

Sent from my POCOPHONE F1 using Tapatalk
This oil pump spring and valve upgrade was implemented to address low oil pressure problems at idle when fully warmed up and using their "recommended" piss thin oils. It was never designed to address any cold start up noise issues.
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