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Old 08-06-2012, 11:31 AM   #1
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rear end diff cover questions.

Just ordered a new LPW ultimate 8.8 diff cover and hardware. Wondering what else I need. What kind of RTV? What kind of rear end fluid and how much? Any additive? Do I put loctite on the diff cover bolts? Do I use a gasket?
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Old 08-06-2012, 11:45 AM   #2
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I used motorcraft silicone for a gasket, royal purple fluid and a bottle of friction modifier since I have a LSD and I didn't use loctite
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Old 08-06-2012, 03:17 PM   #3
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I think it uses 70w but you may want to confirm. Bit I have had good luck with valvoline and royal purple. U will need 2 quarts and 4 ozs of Friction modifier. I'm guessing the cover will come with a gasket? But I prefer rtv black. Locttite is always a good idea.
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Old 08-07-2012, 12:46 PM   #4
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Awesome! Thanks fellas.
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Old 08-07-2012, 03:40 PM   #5
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Your welcome. If you don't mind posting a pic after installed, I would appreciate it. I heard good stuff about that cover.
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Old 08-07-2012, 05:09 PM   #6
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Can do. I have a buddy that just put one on is 351 turbo'd four eye and says he loves it. And sense mine is old and leaks a bit from the drain plug I figured I would give it a shot
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Old 08-07-2012, 05:12 PM   #7
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i was curious. trojan horse had talked of using the provisions on it to beef up his axle housing. he was gonna run rods from the cover to the end of the axle tubes. i dont know if you planned on doing this or not. but thats what interested me in the cover.
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Old 08-07-2012, 05:16 PM   #8
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That's the plan in the future. When I was researching the cover, I saw them on lpw.com and that was kind of the deciding factor
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Old 08-07-2012, 05:20 PM   #9
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cool man. i bet it could be done pretty cheaply with some fabricating experience. as soon as trojan gets back on im sure he would share any ideas that he had for his.
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Old 08-07-2012, 05:33 PM   #10
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Well they actually sell the bars that run from the cover to the axle tubes on lpw.com. they are fairly cheap as well.

---------- Post added at 04:33 PM ---------- Previous post was at 04:32 PM ----------

Quote:
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Well they actually sell the bars that run from the cover to the axle tubes on lpw.com. they are fairly cheap as well.
And they bolt right up.
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Old 08-07-2012, 05:46 PM   #11
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Quote:
Originally Posted by 89white GT
Well they actually sell the bars that run from the cover to the axle tubes on lpw.com. they are fairly cheap as well.

---------- Post added at 04:33 PM ---------- Previous post was at 04:32 PM ----------



And they bolt right up.
sweetness. i hadnt looked that much into it yet. i was undecided if i wanted to go that route or not. obviously it would be cool. but as of right i still need plenty of parts before i can justify a 150$ diff cover. but that doesnt mean one day i wont be able to.
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Old 08-07-2012, 05:56 PM   #12
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Absolutely. Sense my motor is finished my main goal is to work on getting all the pittley stuff done. Then save for a tremec tko 600. Then a tune. And it should be done for a little while. (Hopefully)

If you do wanna research them its called lpwracing.com



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Old 08-07-2012, 05:59 PM   #13
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Quote:
Originally Posted by 89white GT
Absolutely. Sense my motor is finished my main goal is to work on getting all the pittley stuff done. Then save for a tremec tko 600. Then a tune. And it should be done for a little while. (Hopefully)

If you do wanna research them its called lpwracing.com
i have actually checked out the site before. i think they are pretty bad a$$ looking. cant wait to see it on there man.
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Old 08-10-2012, 01:11 AM   #14
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Re: rear end diff cover questions.

Quote:
Originally Posted by 89white GT View Post
Just ordered a new LPW ultimate 8.8 diff cover and hardware. Wondering what else I need. What kind of RTV? What kind of rear end fluid and how much? Any additive? Do I put loctite on the diff cover bolts? Do I use a gasket?
I use an oil resistant silicone (some silicone sealer is for water/coolant only) wiped thinly on both sides of a gasket and let it dry completely before installing in most cases.


However in this case I would use a thin coat of silicone directly on the cover and just let it skin over before installing. The reason is that if you ever plan on installing the side support braces you want your cover to be mounted as solidly as possible and not able to move around like a gasket might let it do.


I use Blue Loctite and the copper sealing washers on the mounting studs to help hold the cover on and to seal up the studs and prevent any possible leaks.


For lube I use the thinner rear end grease (75/90) in my car. My thoughts are that since I don't plan on road racing or driving for really long distances I can get by with the thinner lube and it will take a bit less power (minuscule amount really) to turn the differential. A synthetic lube will work well and help save a bit more power too.
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Old 08-10-2012, 03:56 PM   #15
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Well I just happened to be under my car today and I noticed fluid leaking from the end of my driveshaft, where it meets the diff. Do you guys think it's the pinion seal?

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Old 08-10-2012, 04:01 PM   #16
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Quote:
Originally Posted by 89white GT
Well I just happened to be under my car today and I noticed fluid leaking from the end of my driveshaft, where it meets the diff. Do you guys think it's the pinion seal?
Yes
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Old 08-10-2012, 05:59 PM   #17
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Damn it... Time to freshen up
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