Re: [AMC-List] best oil filter for a 390?

[msproviero@xxxxxxxxxxx]

Yeah, I mentioned that I was running over 6 quarts in a 4.0 (because I filled the filter) in that first thread that I linked to.  I prefill all the filters regardless of size anyway.  I'll use that Wix number you posted and figure out the Mobil1 filter number this weekend, although I think I already know which one it is.  The other numbers you listed will also be helpful in IDing the rest of the Wix filters I havesitting around.  I really need to start writing applications on the boxes.

-Spro


 -------------- Original message ----------------------
From: "Jim Blair" <carnuck@xxxxxxxxxxx>
> A: The 4.0L changed filters at some point ('91 to '93ish) from a 51626 
> (metric thread http://tinyurl.com/o5qc6 ) to 51085 (std thread) to match the 
> Mopar fleet. A 304 CJ should use a 51258 (along with most other AMC V8s). 
> http://wixfilters.com/filterlookup/index.asp
> 
> There is more to a filter than just the Oring and thread size! If you go to 
> an oversize filter, I suggest you also prefill it (so the motor isn't 
> running dry on startup) and get one with an anti-drainback valve  (ditto) 
> Hopefully no-one else will have the heartache of a customer we had last week 
> who built a new AMC motor and had a Fram collapse (he dutifully changed it 
> but didn't know chunks of it were jammed inside the oil pump outlet) in less 
> than 100 miles, making his engine an EXPEN$IVE PO$.
> 
> 
> From: msproviero@xxxxxxxxxxx
> Subject: Re: [AMC-List] best oil filter for a 390?
> To: amc-list@xxxxxxxxxxxx
> Message-ID:
> 
> <070420060817.4633.44AA24290001481C000012192200737478019D0A0790019D9F9C03@comcas
> t.net>
> 
> 
> I use an oversize Mobil1 filter on everything.  Just pulled the
> stock application off the shelf and matched the thread/diameter
> with the biggest one there.  To be honest, my CJ hasn't run in
> so long that I forget whether the 304 I swapped in shares the
> same filter thread/diameter with the 4.0.  Anyway, FYI the big
> Mobil1 MI-301 fits the 4.0.  If the 4.0 is the same as the V8's
> (and 258's), there you go.  I'm out-of-town right now, or I
> would go out in the barn and verify.
> 
> Before I switched to synthetic in everything, I used Wix. I had
> the opportunity to witness a Wix cut open next to a Fram by the
> Dana salesman at a parts store I worked at in high school.
> 
> 
> http://www.greatlakes4x4.com/showthread.php?t=4097
> 
> http://www.greatlakes4x4.com/showthread.php?t=4101
> 
> 
> -Spro
> 
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