I purchased a used Ford Fairlane with a straight 6 that never had the oil
changed in 98,000 miles. It did not use very much oil. When I opened the
valve cover there was not one drop of sludge. Instead all of the free space
had been filled in with a solid block of black coke type material. The
hydraulic lifters no longer had a hydraulic function but worked like a
mechanical lifter. I cleaned it all out and after that the only issue was
that a valve lifting rod would break and I would have to slip in a new one.
See; you don't have to change your oil. I sold that car back to its previous
owner after I graduated school and as far as I know that sucker is still
running.

Richard.

Mike Bowden wrote:

If there are "shorty" and standard versions of the same filter then its
definitely no problem and in fact a good idea to use the longer filter
where possible.

With other swaps, added size is no good if the bigger filter has the
wrong bypass relief pressure, lacks a bypass system, lacks an
anti-drainback valve, etc. You have to make sure the filters FUNCTION
identically, and function includes more than just filtering.

Richard wrote:
Too ridiculous to even respond to (other than to say that).

Bill Putney
(To reply by e-mail, replace the last letter of the alphabet in my
address with the letter 'x')

Steve wrote:

Your point is well taken, *BUT* (and that's a *BIG* BUTT) I challange
*ANYBODY* to identify *ONE* model of any manufacturer's automotive oil
filter that does *NOT* have an anti-drainback valve other than one
Subaru application in particular that happens to have the anti-drainback
valve built into the engine (and even some brands of filters have a
redundant anti-drainback valve in their filter for that particular
application).

If you think you've found one, post the filter manufacturer and model
number.

Bill Putney
(To reply by e-mail, replace the last letter of the alphabet in my
address with the letter 'x')

"Richard" <rfeirste (AT) nycap (DOT) rr.com> wrote

I've been using a 5,000 mile change interval (not the least because it makes
it easy for me to tell when it's time by just looking at the odometer -- no
complicated arithmetic; it also compensates for the difference in price from
3,000 mile dino oil). My 2004 Dodge Caravan's owner's manual prescribed
3,000 mile oil changes only for "rough use" (like police cars, taxis, etc.)
and 6,000 miles for "normal" use. Regardless, every time *anyone* (even a
dealership!) changed the oil they would stick a 3,000 mile reminder on my
windshield. I just keep using Mobil 1 and keep changing it every 5K.

Ron Seiden wrote:

Funny you mention that. I've read of an engine warranty claim being
turned down when the longer "normal use" mileage interval was used. The
dealers policy was that there is no such thing as "normal use" in the
real world (not considering the owners claim of their usage, but that
there is no such thing as "normal use"). My answer to that is that, if
that's the case, the "normal use" maintenance schedule is a fraud being
committed on the public - if it doesn't exist, then quit publishing it
and misleading people.

Bill Putney
(To reply by e-mail, replace the last letter of the alphabet in my
address with the letter 'x')

On Mar 26, 9:41 am, "Richard" <rfeir... (AT) nycap (DOT) rr.com> wrote:
I use Mobol 1 extended service in my Toyota 2002 camry, even though
the 2002`s dont have a sludging problem as reported ?
However I do change my oil 3 times a year even with the extended
service oil (15,000 MILES)

My driving is a combination of 50% city and 50% highway driving.

"Bill Putney" <bptn (AT) kinez (DOT) net> wrote

The correct response to Richard's post is "LOL", as it has to have been a
spoof.

Ken