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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

Incorrect fluid capacities

  • Thread starter Thread starter Northwest_stang
  • Start date Start date Jun 11, 2019
N

Northwest_stang

Member
Dec 30, 2018
89
9
18
Medford, OR
Jun 11, 2019
#1
  • Jun 11, 2019
  • #1
So i have seen multiple people reference the lmr fluid capacity chart and I have some issues...

Oil- it’s say 6 qts of 10w30? When standard is 5 qts of 5w30. So where did the extra qt come from? Also why bump up the weight when our engines already have issues with things like valves/lash adjusters which could feesibly make worse?

Some other qualms but one problem at a time because I can’t seem to find a tsb or anything talking about bumping up an oil change to 6 qts
 

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wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Jun 11, 2019
#2
  • Jun 11, 2019
  • #2
Northwest_stang said:
Oil- it’s say 6 qts of 10w30? When standard is 5 qts of 5w30. So where did the extra qt come from?
Click to expand...
The Mustang uses a different oil pan with larger capacity. If one were to swap in the motor from a Ford Panther without changing the oil pan, then the new donor motor would also have a capacity of 5 QT.
Northwest_stang said:
Also why bump up the weight
Click to expand...
Oil does more than lubricate the motor. It also cools the motor. A larger oil pan has:
  • Increased heat carrying capacity.
  • Increased oil life.
Northwest_stang said:
Some other qualms but one problem at a time because I can’t seem to find a tsb or anything talking about bumping up an oil change to 6 qts
Click to expand...
No TSB because the Mustang oil capacity has always been 6 QT.
 

IIGood

Founding Member
Aug 1, 1998
4,252
1,214
224
Churchton, MD
Jun 11, 2019
#3
  • Jun 11, 2019
  • #3
wmburns said:
No TSB because the Mustang oil capacity has always been 6 QT.
Click to expand...

I thought the earlier 4.6 engines for the Mustang were 5 quarts, then they bumped that spec up to 6 around 2001...?

Also, my '03 GT calls for 5W-20.
 

RaggedGT

Been here over a DECADE and still no CT
Mod Dude
Jul 20, 2014
4,733
3,175
203
Taylorsville ky
Jun 11, 2019
#4
  • Jun 11, 2019
  • #4
My 4.6 Crown Vic takes 6 qts.
So did my 4.6 F150.
 
N

Northwest_stang

Member
Dec 30, 2018
89
9
18
Medford, OR
Jun 11, 2019
#5
  • Jun 11, 2019
  • #5
Ok I can hang my head in shame now they changed from 5 to 6 qts in 97 not sure why I thought 2001... I pulled out my chilton manual to confirm
 
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