mule13 Posted November 24, 2011 Share Posted November 24, 2011 Several weeks ago i went and got another ford 9 inch chunk from an old 70's model ford pickup 2wd.i put it in the truck but couldnt use the 4wd cause the gears were wrong,today i pulled the chunk and put my old gears on.when i had it apart i found it had the ford limited slip unit on it. so basically i got a complete 9 inch rear with lsd for 50$ , i normally run detroits or lokrite lockers which don't require any special oils or additives etc. what additive do i put in this and how much. i've alrady put gear oil in it as i bought regular gear oil not knowing it had the limited slip unit in it. and the 9 inch doesnt have a drain plug. Thanks John Link to comment Share on other sites More sharing options...
Automan2164 Posted November 24, 2011 Share Posted November 24, 2011 Did you set the gears, or just throw them on? Rob Link to comment Share on other sites More sharing options...
Eagle Posted November 25, 2011 Share Posted November 25, 2011 Get a bottle of 'Friction Modifier" from a Jeep dealer and throw in the whole bottle. Link to comment Share on other sites More sharing options...
mule13 Posted November 25, 2011 Author Share Posted November 25, 2011 i set the backlash and checked the gear tooth pattern.first gear setup i've done really. i watched a few videos on youtube before i started. everything seemed to work out ok i drove it several times and everything seems ok. time will tell i guess. Link to comment Share on other sites More sharing options...
alleydog Posted November 29, 2011 Share Posted November 29, 2011 I have the original Powerlock limited slip in my D60, and I didn't put any friction modifier in it. The way I understand, the stuff just makes the discs slip a little so they don't shudder. I left it out so it grips better. seams to work fine. Link to comment Share on other sites More sharing options...
Eagle Posted November 30, 2011 Share Posted November 30, 2011 I have the original Powerlock limited slip in my D60, and I didn't put any friction modifier in it. The way I understand, the stuff just makes the discs slip a little so they don't shudder. I left it out so it grips better. seams to work fine. It will also wear out faster without the friction modifier. Link to comment Share on other sites More sharing options...
mjtjnj Posted December 1, 2011 Share Posted December 1, 2011 Agree with eagle. Autozone or similar stores sell bottles of friction modifiers, cheaper than the dealer, the names are escaping me at the moment. Link to comment Share on other sites More sharing options...
alleydog Posted December 2, 2011 Share Posted December 2, 2011 Ya, you guys are probably right.seemed like a good idea at the time. I'd like to put a spool in it someday anyway. Link to comment Share on other sites More sharing options...
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