----Blown Diff Roll Call---
Joined: Oct 2006
Posts: 13,494
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From: Chiswick
Originally Posted by S2KL33N,Mar 4 2008, 12:13 PM
First time around was at 42K mi, broke some teeth from launching. I replaced it with the 4.56 when it came out winter '06. Then recently around 52K mi I cracked the housing mis-shifting from 6th to 3rd rather then 5th. 
I would say both times would have to contribute to the six puck sprung clutch.
Positive side, I learned how to do a pumpkin swap in 3 hrs.
I would say both times would have to contribute to the six puck sprung clutch.
Positive side, I learned how to do a pumpkin swap in 3 hrs.
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Joined: May 2006
Posts: 871
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From: Peachtree City, GA
Originally Posted by veilside_s2k,Mar 4 2008, 11:26 AM
did u just replace the pionion and gear or did the housing crack like mine?
Registered User
Joined: Jun 2005
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From: SF / OC
i'd say try the LE607 or its new replacement... or mobil 1 since they have been proven to work fine. never heard anyone say theyre using lucas. lucas additive is that stuff you see on the counter at kragens. i read that makes the oil more prone to foaming, and foam isnt good. didnt know lucas made their own oil though.
Joined: Jun 2004
Posts: 8,463
Likes: 25
Originally Posted by Marrk,Mar 4 2008, 05:49 PM
Puddy,
I'm no expert, but that sure does look like beautiful work.
Where the hell is Brooksville and how do I become your new best friend?
BTW, what is 80/90 Lucas? Better than the commonly used Mobil 1? If so, where do I get the Lucas? I'm about to do my first diff fluid change out . . . .
I'm no expert, but that sure does look like beautiful work.
Where the hell is Brooksville and how do I become your new best friend?
BTW, what is 80/90 Lucas? Better than the commonly used Mobil 1? If so, where do I get the Lucas? I'm about to do my first diff fluid change out . . . .
That was on the front tag of my Mom's 57 Crown Imperal
I am in Florida mid state on the west cost, 40 miles north of Tampa
Lucas is a brand of oil that is readily available at Napa or most other auto parts stores. Nothing special about it other than it seems to work fine for me.
I recommend the additive because, it helps keep the rear a bit quieter especially with more aggressive gearing. I have not had a failure due to an oil issue using it and as long as you use a good GL-5 80/90 or straight 90w gear oil you will not either.
Even the Lubricating Engineering (LE) Rep told me that there is not much chance of a failure due to the oil it
Registered User
Joined: Nov 2005
Posts: 464
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From: Dana Point
Signin in. Blew up my diff with 348 rwhp and 225 ft lbs smokin my buddy's sti down the street quickshifting with an exedy hyper single last year. I now have a nice clunky kaaz lsd and couldn't be happier. I still wory its gonna go when i get on it, but as i'm stock right now i hope she lasts.
Thread Starter
Registered User
Joined: Oct 2007
Posts: 1,071
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Originally Posted by Marrk,Mar 4 2008, 02:49 PM
Puddy,
I'm no expert, but that sure does look like beautiful work.
Where the hell is Brooksville and how do I become your new best friend?
BTW, what is 80/90 Lucas? Better than the commonly used Mobil 1? If so, where do I get the Lucas? I'm about to do my first diff fluid change out . . . .
I'm no expert, but that sure does look like beautiful work.
Where the hell is Brooksville and how do I become your new best friend?
BTW, what is 80/90 Lucas? Better than the commonly used Mobil 1? If so, where do I get the Lucas? I'm about to do my first diff fluid change out . . . .
Joined: Feb 2005
Posts: 1,953
Likes: 19
From: Knoxville, TN
Originally Posted by cdelena,Feb 29 2008, 07:25 PM
Mine started to whine, gradually louder over a 2 week period. I changed the diff oil and it looked alright, but the sound didn't change. I started looking for a new diff, but just kept driving as usual. On a downshift to 2nd at 45 it finally came apart. The pinion gear started spitting out teeth like a hockey player that just took a puck to the face.
