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oil pressure dropping at higher RPM's
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DadTruck
Turbo EFI


Joined: 17 Sep 2008
Posts: 2267
Location: Indianapolis

Post subject: (Wed Sep 13, 2017 5:54 pm) Reply with quote

finished the re-install today on the oil pump, started the motor, test drive,,, all things are good.

cleaned up the work bench and noticed that the filter that I had removed was not branded as a Wix 51515, but as a Napa Gold 1515.
I believe that due to the similarity in the part number and the closeness of the viseable exterior construction a NAPA 1515 and a Wix 51515 are the same filters.

The Napa Gold 1515 filter that I removed has a Made in USA tag on it.

https://www.flickr.com/photos/13718356@N02/albums/72157685918007401


I have no intention of starting a ruckus, but the important point here is that..
what saved me and my motor was that I had upgraded the instrumentation on the 83 D150 from idiot lights to a variable gauge for the oil pressure.
If I still had an low oil pressure light, I would have been towing along at 2800 RPM or more, up hill, and never got a warning that the engine oil pressure was at 20 psi and dropping.
As there will always be global shifts that effect what we buy and use, focus on what you can control or monitor. Pay attention and you may be alright.

I have the NAPA 1515 on workbench,, to minimize shipping $, I'll wait till I need to buy a few more things from Summitt or Amazon then get one of the filter cutters.

thanks


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'67 Dart 270
Turbo EFI


Joined: 23 Nov 2011
Posts: 1861
Location: SF Bay Area

Post subject: filter cutters (Wed Sep 13, 2017 6:55 pm) Reply with quote

I know it's been said, but a pair of tin snips are fine for cutting open a filter. Just poke a hole in the metal near the base of the filter and insert your tin snips and work your way around until the filter is cut. This won't add any metal bits to the inside and you'll be able to see what's in the filter easily. Yes, the jagged edges are ugly, but what's important is seeing what's inside, on the paper, in the shell. If there are any metal bits or sludge, you'll see it. The clean cut on the filter is nice if you want to pay for it, but in the end you're going to throw that out (I mean dispose of properly) anyway.

brian
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Charrlie_S
SL6 Racer & Moderator


Joined: 19 Oct 2002
Posts: 7267
Location: Silver Springs, Fl.

Post subject: (Wed Sep 13, 2017 6:56 pm) Reply with quote

John, how about a call to NAPA and/or WIX, and see what they have to say?



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slantzilla
Board Sponsor & Moderator


Joined: 17 Oct 2002
Posts: 12037
Location: Park Forest, Illinoisy

Post subject: (Thu Sep 14, 2017 12:56 am) Reply with quote

John, I have a cutter at the Skunkworks if you want to use it. Very Happy



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Bare Metal Maz
4 BBL ''Hyper-Pak''


Joined: 10 Mar 2014
Posts: 43
Location: Brisbane, Australia

Post subject: (Thu Sep 14, 2017 5:46 am) Reply with quote

I couldn't agree more with regard to the installation of a an oil pressure gauge. I had an oil pressure issue (different to yours) that also turned out to be an oil filter problem. I would not have noticed the problem if I had only had a warning light.

See thread from the forum http://www.slantsix.org/forum/viewtopic.php?t=56819&postdays=0&postorder=asc&start=0&sid=a805041fa4b26242f36b0c73dd5f7de8

After cutting up the filter in question it looked really ugly! Again, if it wasn't for the oil pressure gauge, who knows what damage I may have caused.



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DadTruck
Turbo EFI


Joined: 17 Sep 2008
Posts: 2267
Location: Indianapolis

Post subject: (Thu Sep 14, 2017 6:47 am) Reply with quote

Quote:
a call to NAPA and/or WIX,


a good idea,,filled out a form at the Wix technical support web site, describing the occurrence and asking if they want the filter back for analysis. I'll post their response


Quote:
a cutter at the Skunkworks


thanks,,I am thinking I should be looking at the filters off the Barracuda,
so I'll get one.


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shadango
EFI Slant 6


Joined: 08 Aug 2016
Posts: 306
Location: Pittsburgh, PA

Post subject: (Thu Sep 14, 2017 9:41 am) Reply with quote

I bought the cutter off summit specifically to see if anything was in the filter when we had issues with our 80 Volare last year....(there was)....

I open all my filters now.....its an easy to use tool and is fast....less dangerous than tin snips and wrestling an oily filter.

Well worth having IMHO.Will be watching this topic....I have switched to all wix filters and hate to think of having to switch again...LOL


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DadTruck
Turbo EFI


Joined: 17 Sep 2008
Posts: 2267
Location: Indianapolis

Post subject: (Mon Sep 18, 2017 6:59 am) Reply with quote

Wix Filter support line responded that they will get my contact info to a local NAPA filter rep.

The NAPA filter rep picked up the filter today and will send it to a lab for analysis-review.

He said around the end of the month he will have a report to forward to me.

I'll post what they find.

The rep confirmed that the Wix and NAPA Gold filters mentioned here are the same filters.


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