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  • Fox 5.0 Mustang Tech

what fluid in rear?

  • Thread starter Thread starter covrace
  • Start date Start date Aug 5, 2005
C

covrace

New Member
Jul 28, 2005
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Aug 5, 2005
#1
  • Aug 5, 2005
  • #1
I'm servicing the 8.8 rear in my 1990gt. I'm replacing the cover, and changing the leaking gasket/silicone. my 8.8 is also a posi. what fluid do I run in this rear?

thanks
Jake
 

Rick 91GT

Mustang Master
Nov 29, 1999
9,692
95
99
PA
Aug 5, 2005
#2
  • Aug 5, 2005
  • #2
I like Redline 75w90 it has the friction modifer already in it.
 

OL' WHITEY

New Member
Jan 28, 2004
273
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0
Weddington, NC
Aug 5, 2005
#3
  • Aug 5, 2005
  • #3
Valvoline 75W90 gear oil and Ford friction modifyer
 

HISSIN50

"How long does it take to get help in here?
15 Year Member
Nov 29, 1999
31,179
33
129
Aug 5, 2005
#4
  • Aug 5, 2005
  • #4
Rick 91GT said:
I like Redline 75w90 it has the friction modifer already in it.
Click to expand...
X 2
 

maverick0716

Founding Member
Jan 12, 2002
3,924
0
56
Chilliwack, BC, Canada
Aug 5, 2005
#5
  • Aug 5, 2005
  • #5
Rick 91GT said:
I like Redline 75w90 it has the friction modifer already in it.
Click to expand...
X 3
 

Greenracing

Founding Member
Nov 13, 2000
109
0
0
Puerto Rico
Aug 5, 2005
#6
  • Aug 5, 2005
  • #6
X4
 
8

8950HO

New Member
Mar 31, 2005
658
2
0
Aug 5, 2005
#7
  • Aug 5, 2005
  • #7
Mobil 1, 75W-90.No Ford friction modifier required.
 

vristang

15 Year Member
Mar 31, 2005
4,933
101
124
Seattle
Aug 5, 2005
#8
  • Aug 5, 2005
  • #8
8950HO said:
Mobil 1, 75W-90.No Ford friction modifier required.
Click to expand...
X2

Mobil 1 is far easier to find around here.
 

89MustangGX

I have nothing productive to add!
Jul 3, 2001
10,262
1
0
Mill Creek, WA
Aug 6, 2005
#9
  • Aug 6, 2005
  • #9
vristang said:
X2

Mobil 1 is far easier to find around here.
Click to expand...

x3

I'm currently using Amsoil but it's hard to find unless you order it.
 
S

stang99x

New Member
Feb 4, 2002
28
0
1
GA
Aug 6, 2005
#10
  • Aug 6, 2005
  • #10
I ran plain old pennzoil synthetic GL5 and never had an issue. (unless you have a seriously leaded right foot)
 
3

331 stang91

Member
Oct 16, 2004
261
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16
wisconsin
Aug 6, 2005
#11
  • Aug 6, 2005
  • #11
Royal Purple
 

Maryland Stang

Active Member
Aug 21, 2002
1,656
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39
Greenville, NC
Aug 7, 2005
#12
  • Aug 7, 2005
  • #12
Motorcraft 80w90 with friction modifier.
 

Cobra1894

New Member
Oct 7, 2003
196
0
0
Broken Arrow, OK
Aug 7, 2005
#13
  • Aug 7, 2005
  • #13
redline 75w90
 
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