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Re: Clacking Noise.....
Hairy green toads from Mars made Christopher Ice say:
> Last I remember, the Fram non-turbo model did NOT have the check valve and
> the turbo model DID. Also seem to remember that the turbo and non-turbo
> Fram filters are interchangeable...so you could just put the turbo model on
> the non-turbo to ensure the check-valve is there.
Frams for the non-turbos do NOT have the check valve. It's easy
to see; look down the central threaded hole, and it's either there
or it's not.
The Mahle filters from Imparts have them (about $5), and are good
solid construction - at least twice the weight of a Fram. Mann filters
have them ($ unknown - mine was included in a change), and look identical
to the Mahle. The OEM brand filters I mentioned earlier also have them
and also look identical to the Mahle.
I don't notice a huge difference in noise between valve/no-valve,
but I usually don't listen that well.
Andrew L. Duane (JOT-7) firstname.lastname@example.org
Digital Equipment Corporation (603)-881-1294
110 Spit Brook Road http://www.zk3.dec.com/~duane
Nashua, NH 03062-2698
Only my cat shares my opinions, and she clatters at birds outside.