oil filter
Team Owner
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From: At the beach in little Rhody
Tech Contributor
Joined: May 2008
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From: Howell Michigan
St. Jude Donor '09-'10-'11
Has recent oil analysis shown a reduction in lead content since the switch to Castrol Edge? How high above the average mean was the lead content?
Le Mans Master
Joined: Sep 2003
Posts: 8,847
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From: Longview Texas
I think OldVetter is in the same situation, only he is testing Castrol EDGE.
Both oils claim to have 8 times less wear than Mobil 1 according to the standard wear test. Mobil 1 does not even meet the minimum criteria.
Last edited by TEXHAWK0; Aug 30, 2009 at 11:48 AM.
Tech Contributor
Joined: May 2008
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From: Howell Michigan
St. Jude Donor '09-'10-'11
My lead levels were staying around 18 - 20 ppm with Mobil 1, with the universal average at 6 ppm. I have not done an analysis since switching to Valvoline.
I think OldVetter is in the same situation, only he is testing Castrol EDGE.
Both oils claim to have 8 times less wear than Mobil 1 according to the standard wear test. Mobil 1 does not even meet the minimum criteria.
I think OldVetter is in the same situation, only he is testing Castrol EDGE.
Both oils claim to have 8 times less wear than Mobil 1 according to the standard wear test. Mobil 1 does not even meet the minimum criteria.
Le Mans Master
Joined: Mar 2002
Posts: 5,955
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From: PNW
I switched from a DELCO UPF-44 filter to WIX, because of what people on here said about restrictive filters, my cold oil pressure went up 10-15 psi. Since the C5 oil pressure sensor is AFTER the oil filter, more pressure = more flow. Didn't notice any different sounds.
Le Mans Master
Joined: Feb 2002
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From: Waldorf MD
Because my last few Used Oil Analysis (UOAs) have shown some wear (increased lead), I have changed from Mobil 1 to Castrol Edge 5W-30 (and as always, I use a WIX oil filter). Later, after 6500 miles or so (I go by OLM), we will see if Edge has 8 times less wear.
Oh, BTW, I am aware that you can't always consider UOA numbers to show actual wear (according to some). But, something has changed the last 3 years, and maybe it was Mobil 1's formula? Maybe it is just my engine normally wearing (it has 119,681 miles on it). We shall see.
Here are my "increased lead" readings (note: I do not do a UOA every oil change)
Miles / Lead (ppm) / (Date) / miles on oil sample
64,168 / 7 / (5/2003) / 6,036
95,517 / 11 / (4/2006) / 5,773
107,315 / 20 / (9/2007) / 6,127
113,499 / 18 / (6/2008) / 6,183
Le Mans Master
Joined: Feb 2002
Posts: 6,937
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From: Waldorf MD
Do you mean your max cold oil pressure? At idle, or whenever the oil pump is not in relief mode, a more restrictive filter can't be detected by looking at the oil gauge that has sensor after the filter. A more restrictive filter can only be detected this way by making the oil pump go into pressure relief mode.
Tech Contributor
Joined: May 2008
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From: Somers, CT and Clermont, FL
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16
Put on a new AC PF-46 filter. If the noise goes away, your Mobil 1 filter was defective. (If you're using the correct viscosity oil.)
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Tech Contributor
Joined: May 2008
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From: Somers, CT and Clermont, FL
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16
Thread Starter
Racer
Joined: Nov 2008
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From: Pensacola Florida
The only thing that I did differant was change the brand of filter. I used the same oil just changed to a mobil one filter.The weather has been nasty so when it clears up I will take it to work and change filters and see what happens.So until then I will drive my old 45 mpg civic beater LOL.
Tech Contributor
Joined: May 2008
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From: Howell Michigan
St. Jude Donor '09-'10-'11
The only thing that I did differant was change the brand of filter. I used the same oil just changed to a mobil one filter.The weather has been nasty so when it clears up I will take it to work and change filters and see what happens.So until then I will drive my old 45 mpg civic beater LOL.
How is the civic's oil pressure?
Team Owner
Joined: Mar 1999
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From: At the beach in little Rhody
The only thing that I did differant was change the brand of filter. I used the same oil just changed to a mobil one filter.The weather has been nasty so when it clears up I will take it to work and change filters and see what happens.So until then I will drive my old 45 mpg civic beater LOL.
Drifting
Joined: Jan 2008
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From: Florida
St. Jude Donor '09
Le Mans Master
Joined: Mar 2002
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From: PNW
I mean before the oil runs through the entire system, your initial high readings as soon as you start the car. As oil flows through the entire system and reaches "steady state", there are more restrictive points than the filter, so the oil pressure shows those readings. If you call this initial pressure the "pressure relief mode", so be it, although I thought that was went oil filter is by-passed (in the C5 the bypass is set at 72 psi and is built into the oil pump/block, not the oil filter).
The oil pump's pressure relief valve is what regulates the oil pressure to never exceed a maximum valve. The oil filter's bypass valve only opens and bypasses oil around the filtering media inside the filter when the pressure differential across the filter is at or above the bypass valve setting. Yes, the filter bypass valve is in the engine block ... not the filter.
Race Director
Joined: Mar 2001
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From: Whippany NJ
CI 6-7-8-9 Veteran
St. Jude Donor '08-'09
NCM Sinkhole Donor
I have Mobil-1 oil filter on my H/C motor, there is no difference from the AC delco I usually run. I happened to see it on sale with a case of M1 oil for 25 bucks; it was a no brainer coz i was due for a change.
oh yeah and the color of the filter was bad azz, it matched the paint of my car. i know the chicks will dig it if they look under there.
oh yeah and the color of the filter was bad azz, it matched the paint of my car. i know the chicks will dig it if they look under there.
Last edited by Ikester; Sep 1, 2009 at 09:25 PM.
Racer
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Instructor
Joined: Nov 2000
Posts: 225
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From: Coburg Oregon
I switched from a DELCO UPF-44 filter to WIX, because of what people on here said about restrictive filters, my cold oil pressure went up 10-15 psi. Since the C5 oil pressure sensor is AFTER the oil filter, more pressure = more flow. Didn't notice any different sounds.
Recently I changed from Mobil 1 oil to Castrol Edge (due to some wear (high lead) readings on used oil analysis) and my car did quiet down.
Recently I changed from Mobil 1 oil to Castrol Edge (due to some wear (high lead) readings on used oil analysis) and my car did quiet down.
Thank's so much
