Sounds interesting Dennis, but your links aren't working for me.........

On Jan 31, 2008 8:42 PM, Dennis Haynes <d23haynes57@hotmail.com> wrote:

> Some of you may recall my post a while ago regarding concerns over the
> Mahle oil filters ability to actually remove dirt. This was after an oil
> test on my fox that showed high levels of wear metal and silica. This was
> for 11,000 miles using Mobil 1, 0w-40 and the Mahle Filter.
>
>
>
> The link below shows the history of this "compartment" since I started
> doing the sampling. The first results on the bottom were with the same oil
> and the Fram TG2870A filter. The "C" evaluation is with the Mahle after
> 11,000 miles and the last sample is still with the Mobil 1 oil and the
> Mobil M1-205 (expensive), so called high efficiency filter.
>
>
>
> I have also sent two samples from customers Vanagons using the Mahle
> filter plus one from my red Syncro. Two came back with "C" evaluations and
> one had a "D". The "D" was from my red van with less than 4,000 miles on
> the oil. They noted the wear particles and also antifreeze contamination.
> This van did get head gaskets and lower cylinder seals at the last oil
> change. The reason I took the red van sample is that it sprung a major oil
> which at first I though was the oil cooler gasket. Turned out it was the
> Mahle, dealer supplied oil filter was leaking at the top seam.
>
>
>
> Anyway, with all the hype folks put on Mann or Mahle filters, I have to
> question those filters ability to do what really matters. Remove dirt and
> wear particles.
>
>
>
> BTW- My Mercedes 600 SEL uses a cartridge type filter so choices are
> limited. Currently has a Mann cartridge in it and the last test after
> 3,200 miles was a "B" due to wear metals. I located and will try the
> Purolator cartridge at the next oil change.
>
>
>
> Dennis
>
>
>
>
>
> http://fa.hopennmachinery.com/EquipCom/Oil/OilFullHistory.aspx?eqUnit=5843
> 4
> <http://fa.hopennmachinery.com/EquipCom/Oil/OilFullHistory.aspx?eqUnit=584
> 34&user_auto=507&showAllComparts=0&compType=6>
> &user_auto=507&showAllComparts=0&compType=6
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/