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Old 10-05-2007, 10:14 AM   #1
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Default diff fluid

what diff fluid should I pick up for my 7" rear with rx7 clutch lsd
conditions:
1> it needs to be correct for application
2> I have to be able to pick it up today/tomorrow AM
3> it' cant cost like eleventybillion dollars
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Old 10-05-2007, 10:23 AM   #2
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I always thourght for those LSDs you just found something with out friction modifiers...
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Old 10-05-2007, 10:36 AM   #3
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if you get something w/o friction modifiers you have to then add them in. I think both GM and Ford offer friction modifier.
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Old 10-05-2007, 10:43 AM   #4
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I can get Redline 75W90 Gear Oil with Limited-Slip Differential Friction-Modifier
http://www.mustangsunlimited.com/ite...p?T1=RL7590+01
$11/qt
winner?
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Old 10-05-2007, 10:53 AM   #5
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I thought the friction modifiers screw the clutch surfaces up. Or am i getting confused with motorcycles?
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Old 10-05-2007, 10:53 AM   #6
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looks like a typical 80w90 is reccomended.
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Old 10-05-2007, 11:01 AM   #7
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Call your local auto store, my local Pep Boys carries Royal Purple 75W90 (not sure if it's the friction modifiers added one though, if you need them) for ~$9 and no shipping.
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Old 10-05-2007, 11:14 AM   #8
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sweet, Royal Purple will work, plus I get a small discount at pep boys AND they'll deliver
next hustler-esq question: how much do I need?
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Old 10-05-2007, 11:16 AM   #9
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Quote:
Originally Posted by Ben View Post
sweet, Royal Purple will work, plus I get a small discount at pep boys AND they'll deliver
next hustler-esq question: how much do I need?
two of them, the big ones.
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Old 10-05-2007, 11:19 AM   #10
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mmm... my owner's manual says .65 Liter for my 1.6 diff. Can't see a 1.8 diff being that much bigger
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Old 10-05-2007, 11:28 AM   #11
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Quote:
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mmm... my owner's manual says .65 Liter for my 1.6 diff. Can't see a 1.8 diff being that much bigger
are they overnighted from japan.
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Old 10-05-2007, 11:32 AM   #12
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whatever,
ordered a 1 qt bottle of the Royal Purple 75W90

Thanks Tom
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Old 10-05-2007, 11:47 AM   #13
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Quote:
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whatever,
ordered a 1 qt bottle of the Royal Purple 75W90

Thanks Tom
more than you can afford, pal.
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Old 10-05-2007, 11:49 AM   #14
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wtf are you talking about.

one, you hardly need any diff fluid. two, you're spitting out nonsense.
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Old 10-05-2007, 11:52 AM   #15
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He's way too fast and way too furious for us

Got my name on the head rest- read it and weep
NOS tank in the back, camel hair on the seat
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Old 10-05-2007, 11:53 AM   #16
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Quote:
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wtf are you talking about.

one, you hardly need any diff fluid. two, you're spitting out nonsense.
they banned me from the tracks for life.



I've never actually seen that movie, but its so much fun to quote.
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Old 10-05-2007, 11:54 AM   #17
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seriously, you're about to get gagged in about 2 minutes.
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Old 10-05-2007, 12:18 PM   #18
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I use Royal Purple In all my vehicles diffs. and so far it's worked flawlessly. I believe Royal Purple also has the friction modifier in it. It's funny, I have 6 quarts or Royal Purple sitting in my garage right now. I'm going to change the front and rear diff oil in my 86 trooper one day.
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Old 10-05-2007, 12:25 PM   #19
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what fluid for a new kaaz lsd? use the supplied kaaz fluid for the break-in or should i break it in with some cheap fluid and put in the kaaz fluid afterwards?
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Old 10-05-2007, 12:26 PM   #20
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Quote:
Originally Posted by Ben View Post
sweet, Royal Purple will work, plus I get a small discount at pep boys AND they'll deliver
next hustler-esq question: how much do I need?
Fluid capacity for a 1.8L diff is 1 liter but I can never get more than 0.8-0.9 liters before it starts coming out the overfill hole and yes, the car is level.
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