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Friction modifier needed even if the fluid contain #4522173
09/21/17 11:51 AM
09/21/17 11:51 AM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
s it.
The Explorer has the carbon fiber clutch setup. I just used the VV 75W140 with the blended modifier. It seemed quiet for a while, maybe didn't notice it. I started to notice a "rubbing noise" on very low speed turns. Added about 3/4 of a bottle of the skunk oil and it is perfectly quiet now. It also kicks in faster, I use it up some steeper gravel roads.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Friction modifier needed even if the fluid contain [Re: ford46guy] #4522190
09/21/17 12:13 PM
09/21/17 12:13 PM
Joined: Jun 2005
Posts: 11,334
Santa Barbara, CA
bdcardinal Online content
bdcardinal  Online Content
Joined: Jun 2005
Posts: 11,334
Santa Barbara, CA
Yes absolutely it can. I only buy fluid without it added because the modifier can cause issues with the Torsen diff in my Mustang.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Friction modifier needed even if the fluid contain [Re: bdcardinal] #4522244
09/21/17 01:16 PM
09/21/17 01:16 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
Originally Posted By: bdcardinal
Yes absolutely it can. I only buy fluid without it added because the modifier can cause issues with the Torsen diff in my Mustang.

There was a tech at the parts counter and he said exactly that. He said every 8.8 rebuild or service gets 3 qts M/C 75W140 w/the modifier (depending on the application). They have kit bags of it ready to go. They service fleets of trucks.

His claim was the Ford oil is as heavy duty as you are going to get, it is used in trucks being pushed to their limit, and blended to address certain issues. In my case it probably won't matter. He also said to never use anything but 75W140 in an LS.

He said to try the modifier, see if it works and if there are any issues do a drain and fill with the right stuff, but I should be fine.

Seems perfect now though, but in the future I'm using exactly what is speced for it. Everyone seems to be fine with the aftermarket oil.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Friction modifier needed even if the fluid contain [Re: ford46guy] #4522260
09/21/17 01:52 PM
09/21/17 01:52 PM
Joined: Sep 2004
Posts: 7,530
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,530
Marshfield , MA
Mobil 1 75w95 quieted down the clutches in my 528e's LS


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Friction modifier needed even if the fluid contain [Re: ford46guy] #4522276
09/21/17 02:16 PM
09/21/17 02:16 PM
Joined: Apr 2010
Posts: 13,534
Chicago, IL
dparm Offline
dparm  Offline
Joined: Apr 2010
Posts: 13,534
Chicago, IL
You can dose with FM to your particular tastes and tolerance for noise, yes.


2017 Chevrolet Corvette Grand Sport
Re: Friction modifier needed even if the fluid contain [Re: bdcardinal] #4522487
09/21/17 06:00 PM
09/21/17 06:00 PM
Joined: Jan 2009
Posts: 6,205
New England
gathermewool Offline
gathermewool  Offline
Joined: Jan 2009
Posts: 6,205
New England
Originally Posted By: bdcardinal
Yes absolutely it can. I only buy fluid without it added because the modifier can cause issues with the Torsen diff in my Mustang.


What kind of issues? I wouldn’t think the gears would care, either way.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter
Re: Friction modifier needed even if the fluid contain [Re: gathermewool] #4522529
09/21/17 06:51 PM
09/21/17 06:51 PM
Joined: Jun 2005
Posts: 11,334
Santa Barbara, CA
bdcardinal Online content
bdcardinal  Online Content
Joined: Jun 2005
Posts: 11,334
Santa Barbara, CA
Originally Posted By: gathermewool
Originally Posted By: bdcardinal
Yes absolutely it can. I only buy fluid without it added because the modifier can cause issues with the Torsen diff in my Mustang.


What kind of issues? I wouldn’t think the gears would care, either way.


People have reported the don't lock up properly. Either way I am not chancing it.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Friction modifier needed even if the fluid contain [Re: bdcardinal] #4522604
09/21/17 08:11 PM
09/21/17 08:11 PM
Joined: Jan 2009
Posts: 6,205
New England
gathermewool Offline
gathermewool  Offline
Joined: Jan 2009
Posts: 6,205
New England
Originally Posted By: bdcardinal
Originally Posted By: gathermewool
Originally Posted By: bdcardinal
Yes absolutely it can. I only buy fluid without it added because the modifier can cause issues with the Torsen diff in my Mustang.


What kind of issues? I wouldn’t think the gears would care, either way.


People have reported the don't lock up properly. Either way I am not chancing it.


Interesting. Doesn't make sense, but an interesting anecdote.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter
Re: Friction modifier needed even if the fluid contain [Re: ford46guy] #4522629
09/21/17 08:46 PM
09/21/17 08:46 PM
Joined: Aug 2004
Posts: 4,639
Katy, Republic of Texas
blupupher Offline
blupupher  Offline
Joined: Aug 2004
Posts: 4,639
Katy, Republic of Texas
Fords with LS like FM.
Every Ford (truck) with a LS I use 75w-140 and the Motorcraft XL-3 LS fluid and never had a problem.


1994 Honda VT1100: Peak 15w-40/PSL/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI

Re: Friction modifier needed even if the fluid contain [Re: ford46guy] #4523219
09/22/17 02:25 PM
09/22/17 02:25 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
Also, before anyone trash talks the Carbon fiber trac lok LS, have a look at this.
Skip to 17:20 unless you want to watch the install.



95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30

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