Got a 97 f150 w/4.6 and auto,it has 46000 miles,would like to put synthetic in differentials front and back, back has limeted slip, any comments on if I can on rear end? Do I need a special fluid?

Thanks kirth

 

The rear diff comes from the factory with synthetic fluid, so there is definitely no problems using it. Front & rear of my Expedition has been running synthetics for a couple of years now with no problems.

Since you have LS, you'll need to get some "Friction Modifier" from Ford. Should cost less than $6 per bottle. Check your owner's manual to see how many you need. Probably just one.

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1997 4x4 Expedition- 4.6L, true dual exhaust w/Ravin DI/DO, K&N air filter, SuperChip, airbox mods, Edelbrock shocks, 285/75R16 BFG ATs, 2000 F150 "XLT" wheels, 4.10 gears, Auburn LS, Clarion In-dash CD player, Smitty Bilt push bars and nerf bars.

2000 4x4 F250 SD XLT SuperCab SWB- 6.8L, Offroad Pkg, Camper Pkg, 4.30LS, Tape & CD player, Remote Keyless Entry, Sliding back glass, tinted windows, 265/75R16 OWL tires, Smittybilt nerf bars & Line-X bedliner.

NoMo's site

 

http://www.amsoil.com/products/tgr.html

Try this. With Amsoil You Can't Go Wrong. Drop me a line. Maybe I can help you. Good Luck. Click on the PureAmsoil and it will take you there.

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Ruger's F-150

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