Fordnatics List Archive

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Mail From: (email redacted) (Et3 Donaca)

Naoki , you might try to find a filter listed for a motorhome or a van to go
on the same type of motor . They are usually about halph as long as a normal
filter , to allow clearance for the power steering belt . I have always been
sure to change the filter more often than normal due to the reduced surface
area of the filter element , but it does give more clearance around the filter

Hope this is of help .

D

INET: (email redacted)

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Mail From: (email redacted) (Frank Marrone)

> They are usually about halph as long as a normal
> filter , to allow clearance for the power steering belt . I have always been
> sure to change the filter more often than normal due to the reduced surface
> area of the filter element , but it does give more clearance around the
filter


Beware that smaller filters also tend to go into filter bypass mode
sooner when viscocity and/or flow is high so your protection may be reduced.

- --
Frank Marrone at (email redacted)
1965 Sunbeam Tiger B9471116

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Mail From: (email redacted) (Dave Williams)


-> Beware that smaller filters also tend to go into filter bypass mode
-> sooner when viscocity and/or flow is high so your protection may be
-> reduced.

True. And Ford puts the bypass *in* the filter, at the mercy of
whoever makes the filter. Ford's spec is 5 psi before it starts to
bypass oil - five - think about that for a second - and some filters
open at less, according to the mfr spec books.

The Datsun L18 engines use a filter identical to the Ford wrt thread,
O-ring size, and external size, except the Datsun parts don't have a
bypass, as Datsun does it in the block. And they have an anti-drainback
valve, kinda nice.

I favor 10w-30 oil in most of my cars, and have never had a problem
with the Datsun filters even in the winter. I'd expect if you were
running 50wt and revving it hard on a cold day, you'd be picking bits of
filter element out of the engine's oil passages.

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Mail From: (email redacted) (Frank Marrone)



> The Datsun L18 engines use a filter identical to the Ford wrt thread,
> O-ring size, and external size, except the Datsun parts don't have a
> bypass, as Datsun does it in the block. And they have an anti-drainback
> valve, kinda nice.

Dave,
I'm not sure if you are advocating the use of this filter on a Ford or not
but if you used one of therse might you blow the filter up on a cold morning?
I have seen this happen before (don't know why in the particular case) but if
a typical filter wanted a 5 PSI bypass and you eliminated it you could have
a problem. What do you think?


- --
Frank Marrone at (email redacted)
1965 Sunbeam Tiger B9471116

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Mail From: (email redacted) (Dave Williams)


-> Thanks Dave. Is the filter (Datsun) the same external
-> size as the small Ford filter?? Or the normal large one??

It's the same size/shape as the standard 1 quart FL-1A Ford filter.

This read-only message was archived from a public mail list.
Mail From: (email redacted) (Dave Williams)


-> I'm not sure if you are advocating the use of this filter on a Ford
-> or not but if you used one of therse might you blow the filter up on
-> a cold morning?

I've been doing it for ten years with no trouble. Oil pressure will be
around 90psi on subzero starts, drops rapidly to 60psi normal. If you
got stupid you could probably blow the filter off the block, of course.

On the other hand, I *know* all my oil is being filtered, instead of
half or less. Seems like a fair trade.

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Mail From: (email redacted) (Dave Williams)


-> is Purolator L20195 which is equivalent to Motorcraft FL-400.
-> Its apps are Escort and Linx with 1.7L. It will physically
-> fit but it is about 1/2" smaller in diameter which is what
-> I need. I would like to know what you know/think about
-> using this filter on my car as far as filtering efficiency
-> (being smaller) and bypass pressure differences, if any.

Should work OK as long as the rubber seal and threads are correct.
There are also some variations in filter size between brands; I should
have brought that up at the beginning of the discussion.

This read-only message was archived from a public mail list.
Mail From: (email redacted)


>I've been doing it for ten years with no trouble. Oil pressure will be
>around 90psi on subzero starts, drops rapidly to 60psi normal. If you
>got stupid you could probably blow the filter off the block, of course.

I'd have to have reservations about this in the Super-cold North. I can
recall pulling some 10W30 out of a car in ND at -37, and it looked more
like STP. This, of course, is an extreme case. For most practical
applications, no bypass would probably work fine.

Dig
(email redacted)

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Mail From: Chris Alexander <(email redacted)>

On Tue, 13 Sep 1994, Dave Williams wrote:

>
> -> I'm not sure if you are advocating the use of this filter on a Ford
> -> or not but if you used one of therse might you blow the filter up on
> -> a cold morning?
>
> I've been doing it for ten years with no trouble. Oil pressure will be
> around 90psi on subzero starts, drops rapidly to 60psi normal. If you
> got stupid you could probably blow the filter off the block, of course.
>
> On the other hand, I *know* all my oil is being filtered, instead of
> half or less. Seems like a fair trade.

Which filter is this, (brand, part #), and is it better than the FL1A Ford?
I'm coming in late to this conversation....

- ------------------------------------------------------------------------------
Chris Alexander
UAH Electrical Engineering Senior
Student Assistant University of Alabama Huntsville
Huntsville, Alabama UAH Chargers
(email redacted)

"My opinions are barely my own much less anyone else's!"

- ------------------------------------------------------------------------------

This read-only message was archived from a public mail list.
Mail From: (email redacted) (Mike Ruff)


= -> Beware that smaller filters also tend to go into filter bypass mode
= -> sooner when viscocity and/or flow is high so your protection may be
= -> reduced.
=
= True. And Ford puts the bypass *in* the filter, at the mercy of
= whoever makes the filter. Ford's spec is 5 psi before it starts to
= bypass oil - five - think about that for a second - and some filters
= open at less, according to the mfr spec books.
=
= The Datsun L18 engines use a filter identical to the Ford wrt thread,
= O-ring size, and external size, except the Datsun parts don't have a
= bypass, as Datsun does it in the block. And they have an anti-drainback
= valve, kinda nice.

NAPA carries a line of oil filters manufactured by Wix (sp?) called NAPA
Gold or somesuch (as opposed to their lower-quality line NAPA Silver).
The Motorcraft FL-1A equivalent is the 1515, I think (the Wix number is
something like 51515). These are probably the same as the Wix filters,
so the number of folds data given by someone earlier is probably the same.

Anyway, the pressure relief valve in these filters is a coil spring, not a
leaf spring (as is apparently used in almost all other filters), so there
is less danger of getting a permanently-open flow when the valve gives. I
think that there is also an anti-drainback valve. The NAPA people also
claim that the filter paper they use is treated so it removes particles
better, and that AC and Motorcraft filters use untreated paper which is
less effective.

Now I'm no expert on oil filters and this is second-hand info, but the NAPA
and Wix filters might be worth checking out. Oh, and the NAPA filters have
the standard "flats" around the top so you can use one of the normal ratchet
caps, rather than a strap wrench or something weird to deal with the dozens
of little $@#%#@$ knurls that are found on the FL-1A....

I still have the box from the last one I put in (the old filter and oil
haven't gotten recycled yet), so I could probably get more details if
anybody wants them. The next time I buy a new filter, I'll check to see
if the NAPA guy has his little display of the most popular filters, cut
in half for internal comparison....


Regards,
Mike Ruff
'93 LX 5.0 hatchback