It's not irrelevant. There are many people who have complained about the
initial lifter tap on startup. This is primarily caused by the oiling
system (in most cases) where there is no, or little, oil in the oiling
system. This is where the drainback valve comes into play.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
david.clement@verizon.net
Sent: Sunday, November 09, 2003 9:54 AM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: Re: DML: RE: RE: RE: Oil filters; $2 Generic vs $10 Premium
In article <004801c3a592$66e137b0$020aa8c0@system>, bernd@texas.net ("Bernd
D.
Ratsch") writes:
>
> The older Mopar filters were pretty piss-poor in quality. They
> noticed a lot of complaints on the initial "tap tap tap" startup and
> changed the design of the anti-drainback valve.
FWIW, in the case of a 3.9/5.2/5.9 the drain back valve is irrelevent since
the oil can't drain back because of the orientatiopn anyway.
Dave Clement
99 SLT+ CC 4x4
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