Re: [DML] Purflux xref
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Re: [DML] Purflux xref



WIX 51307
NAPA Gold 1307

Both have by-passes and anti-back-flow.

The D oil pump has a pressure regulator (internal bypass) see 
p.C:10:01 of the shop manual.

An internal by-pass in an oil filter is, in my opinion, preferable. 
The oil filter by-pass works if the pressure on the inside of the 
filter drops below the outside or supply side. That would mean the 
filter is restricted or the engine parts are too loose to hold 
pressure. Most internal by-passes open at a differential of about 
15lbs. if I remember my reading correctly (or less). Any way, I 
prefer unfiltered oil verses no oil if the pressure differential 
were to ever happen - which should be rare. I use full synthetic 5-
40 oil and change it once a year and it stays clean (2,500 - 5,000 
miles a year).

BTW if you look in the shop manual on page C:11:01 Fig. 112, you 
will see that the oil filter shown in the diagram has an internal by-
pass.

Harold McElraft - 3354



--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy <malevy_nj@...> wrote:
>
> I also looked in to this a few months back.  I was
> trying to find a WIX filer, but never completed my
> project.
> 
One of these days I will continue that
> research (unless someone else wants to). 
> 
> 
 > So, what has everyone else been using?
> >  
> > Andy
> >  
> > Fargo, ND  
> > 1982 DeLorean DMC12 VIN 11596
> > 
> > 
> > 
> > [Non-text portions of this message have been
> > removed]
> > 
> > 
> > 
> 
> 
> 
>  
> 
_____________________________________________________________________
_______________
> Low, Low, Low Rates! Check out Yahoo! Messenger's cheap PC-to-
Phone call rates 
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