Hi,
Stupid question but...
I have a few genuine Nissan oil filters for the TD42 in the garage, they cross reference to the Ryco Z9. Will they be sweet to use on the 3.9?
Cheers.
On a 3.9 with V belts you should use a short Z9 eg z89A, as the axle can hit the Z9 length filter on full compression. This is because there is an oil cooler insert on the filter base.
I think this also applies to serpentine as the oil pump was still in the same place.
Regards Philip A
Ron B.
VK2OTC
2003 L322 Range Rover Vogue 4.4 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA
RIP Bucko - Riding on Forever
Er, the correct filter for a 3.5 is a Z9 as it doesn't have the cooler sandwich that the 3.9 has.I used Z9 filters on my '86 classic V8 with never a problem about hitting when off road.
Many people MAY not hit them off road but LR did change the spec for a reason and many people have hit them off road with drastic results.
Regards philip A
Last edited by PhilipA; 17th April 2010 at 08:25 PM. Reason: fix crazy problem of repeated quote
The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
Provided the oil filter that you wish to use has a built in bypass valve, then no problem. The reason that this is important is that the oil pump on the 3.9, in fact in all Rover V8 engines from circa 1977 onwards, does not have an inbuilt bypass valve. (This is not to be confused with the pressure relief valve).
Look into the centre chamber of the filter and typically you will see a coil spring at the base. This identifies that filter as having an inbuilt bypass valve.
Ron.
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