What kind of gear oil does a trac-lok 8.8 take

John Cummins · 04-18-2002, 06:52 PM

I bought mobile 1 75w-90 will that work or will I have to use some thing like 85w-90 in my traction lock 8.8 rear-end

89hatchbackGT · 04-19-2002, 12:22 AM

I think the weight you use depends on how often you change the oil. I used 80w90 and some friction modifier in mine.

Mr 5 0 · 04-19-2002, 11:01 AM

75w90 hypoid gear oil is just fine.

Use 4 oz. Friction Modifier if the oil you bought doesn't already have it mixed in (check the label).

joe4speed · 04-19-2002, 11:06 AM

How often should you change the oil?

Mr 5 0 · 04-19-2002, 11:27 AM

Not often, unless it gets contaminated or you have a leak, of course.

I've changed mine about every 50,000 miles or so over a 116,000 mile lifespan and never had a problem, although I should do it a little more often. More frequent changes won't hurt a bit but aren't normally required.

04-18-2002, 06:52 PM	#1
John Cummins Registered Member Join Date: May 1999 Posts: 231	What kind of gear oil does a trac-lok 8.8 take I bought mobile 1 75w-90 will that work or will I have to use some thing like 85w-90 in my traction lock 8.8 rear-end __________________ 89 LX convertible w/ MAC equal length headers and flowpath catback, Black Magic electric fan, FMS aluminum radiator, 180 thermostat, K&N, removed silencer, 13 timing, FMS 9mm wires, Accel supercoil, FMS 110lph fuel pump, 130 amp alternator, FMS underdrives, Pro. 5.0 shifter, Steeda G-Trac 1 suspension. 3.73's and subs to be installed soon!!!

04-19-2002, 12:22 AM	#2
89hatchbackGT Registered Member Join Date: Mar 2002 Location: Huntsville Alabama Posts: 44	I think the weight you use depends on how often you change the oil. I used 80w90 and some friction modifier in mine. __________________ Http://www.geocities.com/stang89gt2000 I like an escalator because an escalator can never break. It can only become stairs. There'd never be an escalator out of order sign, only escalator temporarily stairs-sorry for the inconvenience sign. --Mitch Hedberg

04-19-2002, 11:01 AM	#3
Mr 5 0 Conservative Individualist Join Date: May 1997 Location: Wherever I need to be Posts: 7,487	Gear oil weights 75w90 hypoid gear oil is just fine. Use 4 oz. Friction Modifier if the oil you bought doesn't already have it mixed in (check the label).

04-19-2002, 11:06 AM	#4
joe4speed He said Member...heh, heh Join Date: Sep 1999 Location: Jupiter, Florida U.S.A. Posts: 3,718	How often should you change the oil? __________________ *Joe!* 1988 GT, 13.58@101mph Check out my listing! Click here! Or my website:www.joe4speed.com

04-19-2002, 11:27 AM	#5
Mr 5 0 Conservative Individualist Join Date: May 1997 Location: Wherever I need to be Posts: 7,487	Differential oil chnage frequency Not often, unless it gets contaminated or you have a leak, of course. I've changed mine about every 50,000 miles or so over a 116,000 mile lifespan and never had a problem, although I should do it a little more often. More frequent changes won't hurt a bit but aren't normally required.

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