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ZR1 oil filter PF64 - what are you using?

 
Old 05-17-2019, 10:32 AM
  #21  
SouthernSon
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Originally Posted by Rinaldo Catria View Post
Does anyone have any links to reviews of oil filters with 22 bypass for the LT5? PF 64 is factory recommended but arenít there much better filters available with higher flow, better filtering and also fully synthetic? The more I read the more confused I get.
If you see my post above yours that is the one I am installing. I have used their reusables for about 10 years on my diesel truck and my track C5Z. They work well. I strain my oil from the pan through a kitchen strainer to catch anything suspicious as well as inspecting the media in the reusable filter. I have been straining the oil from the engines during oil changes for 30 years. I have caught metal pieces (from my airplane engine) and, once, out of my old '81 SL380. I have never found anything suspicious or concerning out of the reusable filters during the approximately 210K miles of using them. To each his own.
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Old 05-17-2019, 10:45 AM
  #22  
Rinaldo Catria
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Originally Posted by SouthernSon View Post
If you see my post above yours that is the one I am installing. I have used their reusables for about 10 years on my diesel truck and my track C5Z. They work well. I strain my oil from the pan through a kitchen strainer to catch anything suspicious as well as inspecting the media in the reusable filter. I have been straining the oil from the engines during oil changes for 30 years. I have caught metal pieces (from my airplane engine) and, once, out of my old '81 SL380. I have never found anything suspicious or concerning out of the reusable filters during the approximately 210K miles of using them. To each his own.
Thanks... I respect that greatly...but I really donít care to go the reusable route. I was hoping for a single use filter with better flow and filtering characteristics than the PF 64 and still get the 22 bypass.
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Old 05-17-2019, 10:57 AM
  #23  
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This is being way overthought IMO. GM recommends the PF64, new or old part number they still recommend the PF64 for our cars. GM warranties the ZR1 power train for 5 years or 60,000 miles. Is GM recommending an inferior filter that could cause engine problems and thus cost them money? I don't think so. If GM had a better more expensive higher profit filter wouldn't they want us to buy it and therefore recommend it? Good info below if you want to use something other than the PF64.

https://www.corvetteforum.com/forums...-warranty.html

Last edited by BearZ06; 05-18-2019 at 12:45 AM.
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Old 05-17-2019, 10:58 AM
  #24  
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Originally Posted by Rinaldo Catria View Post
Thanks... I respect that greatly...but I really donít care to go the reusable route. I was hoping for a single use filter with better flow and filtering characteristics than the PF 64 and still get the 22 bypass.
I understand as it is much more convenient and not nearly the hassle. However, even if you were to find the single best filter on the market this year, next year it may change. The ratings of oil filters seem to change drastically with each company acquisition, merger or out sourcing. So many times in so many instances a company is taken over with another looking only to cash in on the goodwill created and expand the profit margin by cheapening the product's cost. And, yes, this has happened with auto parts as well as filters. The pure power filter/K&N above is always realiable in my experience. I might caution that fram is not very well thought of these days.
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Old 05-17-2019, 11:25 AM
  #25  
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Originally Posted by SouthernSon View Post
I understand as it is much more convenient and not nearly the hassle. However, even if you were to find the single best filter on the market this year, next year it may change. The ratings of oil filters seem to change drastically with each company acquisition, merger or out sourcing. So many times in so many instances a company is taken over with another looking only to cash in on the goodwill created and expand the profit margin by cheapening the product's cost. And, yes, this has happened with auto parts as well as filters. The pure power filter/K&N above is always realiable in my experience. I might caution that fram is not very well thought of these days.
I agree. I used to be a big fan of Fram, if for no other reason than their participation in NHRA. I've been much better educated to these things today.
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Old 05-19-2019, 08:42 PM
  #26  
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Same oil filter for all engines. PF64..

I just went through this with my Z06 yesterday.

The UPF64R is not like the UPF48R (which is the black racing kind)

The UPF64R is for the small displacement newer gm engines and the bypass psi is high.


I had to use a Mobil 1 M1-113A has the 22psi bypass and is supposed to be superior to the PF64... I would've used a PF64 as I always do but my buddy stocked the 64R thinking they were same as 48R.. had to show it to him.

Here's the video showing you guys me going through same thing.

Also, the 48R is smaller but way heavier than the 64R. Interestingly enough the Mobil 1 feels like the same weight as the 48R and seems like a similar construction..

I've read that both AC delco and Mobil 1 filters are made by same mfr (champion labs)

I've even read that champion labs will field your phone call and provide information regarding the filters they produce for GM and Mobil 1.. pretty cool.

Last edited by 16/C7Z; 05-19-2019 at 08:47 PM.
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Old 05-19-2019, 08:52 PM
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Originally Posted by SouthernSon View Post
UPF64R - ultraguard. Same architecture mostly. Just make sure the oil filter has an orange colored (silicone) anti-drain flapper valve beneath the perforated metal lid. The cheaper filters have the black (nitrile) that can shrivel with heat and not contain the oil. Of course, the slanted filter bosses are where it really makes a difference but I figure cheaper nitrile rubber ones may be indicative of cheaper all over.

Check my post on down the thread. There appears to be controversy.
Agreed!
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Old 05-19-2019, 09:11 PM
  #28  
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Let's go straight to the AC Delco site:

https://parts-catalog.acdelco.com/ca...log_search.php
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Old 05-22-2019, 12:57 PM
  #29  
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I just got a dozen of the AC Delco PF64 GM part 12640445 for $64.95 shipped to my door.

D.
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Old 05-22-2019, 01:02 PM
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Originally Posted by ZR-1DUDE View Post
I just got a dozen of the AC Delco PF64 GM part 12640445 for $64.95 shipped to my door.

D.
LOL, that would be a 12 year supply for me!
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Old 05-22-2019, 01:02 PM
  #31  
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Old 05-22-2019, 01:03 PM
  #32  
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Originally Posted by BearZ06 View Post
LOL, that would be a 12 year supply for me!

Probably me too - imagine the value for when these cars are up for NCRS.

D.
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Old 06-02-2019, 07:54 PM
  #33  
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Just wanted to chime in as some people stated this in the posts above.

The relief valve only opens if the filter media itself is blocked OR the flow (not pressure) is too much for filter media to let thru. The relief valve (like most other valves of this sort) act on pressure differential - the difference of pressure before (pump output) and after (block entry). As long as the filter media is not dirty and is designed to flow at the flow rates that LT5 needs then the relief valve is closed. Just because it shows 35psi of oil pressure in your block oil galleys does not mean that the filter's relief valve is stuck open.


[ This is my first post guys. I just became an owner of a new ZR1 3ZR ZTK in matrix metallic gray. I've had a love affair with a track Evo X that i've rebuilt many times hahaha]
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