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Limited slip differential

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californiajohnny View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 24-December-2018 at 2:03PM
LOL "senior citizen" edition
JOHN
74 GRAN TORINO S&H CLONE
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90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
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rancheromac View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 04-January-2019 at 5:18AM
clutch packs in this rear end. that's what I put in my 9inch. 3.57   do I need to use a friction modifier in this ? I have only run with the 35m that came with car. I know am putting a 460 swap into thanks for any advice on the eaton
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 04-January-2019 at 5:26AM
sorry if duplicated. I have this setup , clutch pacs, do I need to use friction modifier? using synthetic gear lube. any other info helpful as I have only run w/351m, know I am doing a built 460. thanks
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 04-January-2019 at 6:03AM
several times i've tried using limited slip type gear lube with the additive already in it, i had to add more additive there just wasn't enough in the store bought oil.

Yes clutches need friction modifier
72 GT Ute
   
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californiajohnny View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 04-January-2019 at 10:47AM
yes,
you can use the trans x brand available at most local parts stores Wink
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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rancheromac View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 09-January-2019 at 4:05AM
I did use castrol synthetic. isn't the friction modifier to reduce foaming?
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Post Options Post Options   Thanks (1) Thanks(1)   Quote 72FordGTS Quote  Post ReplyReply Direct Link To This Post Posted: 09-January-2019 at 1:30PM
Yes, you still need the friction modifier.  It's for the clutches, keeps them from chattering.  I got mine from the Ford dealer, it wasn't expensive and it worked great.
Vince

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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 10-January-2019 at 6:08AM
how much do you add ? thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 10-January-2019 at 8:23AM
Originally posted by rancheromac rancheromac wrote:

how much do you add ? thanks


I always double whats suggested, cheap insurance.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72FordGTS Quote  Post ReplyReply Direct Link To This Post Posted: 10-January-2019 at 12:04PM
I used one bottle in my rear diff when I changed it last. 
Vince

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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 24-January-2019 at 9:45AM
that's what I have. 357 gear I think. I put synthetic gear lube castol in. do I need to use a modifier ? thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 24-January-2019 at 9:51AM
sorry ! I could not see you already  replied  again so sorry!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote marian601 Quote  Post ReplyReply Direct Link To This Post Posted: 24-June-2020 at 8:30PM
Dear All,
where to buy inexpesive third member with locker, posi trac etc.? I have 28 spline 9". Any additional info needed to choose proper third member?
2015 skoda octavia vRS-wife's car
'99 audi TT quattro 225HP-wife's toy
Gran Torino Sport fastback 351C-getting closer :)
DUCATI scrambler 803-new toy :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Markb73gtorino Quote  Post ReplyReply Direct Link To This Post Posted: 25-June-2020 at 2:08AM
Speedwaymotors.com
There is a core charge but they have bolt on ready to go 3rd members
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fordismyboss Quote  Post ReplyReply Direct Link To This Post Posted: 25-June-2020 at 2:49AM
Originally posted by marian601 marian601 wrote:

Dear All,
where to buy inexpesive third member with locker, posi trac etc.? I have 28 spline 9". Any additional info needed to choose proper third member?


I went with an Eaton tru-trac on my 28 spline 9" with 2.75 gears. made a massive difference!
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