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-   -   shell synthetic diff. fluid (http://www.peachparts.com/shopforum/diesel-discussion/144482-shell-synthetic-diff-fluid.html)

kmaysob 02-02-2006 09:50 PM
shell synthetic diff. fluid
 
anyone ever used it? i can change my diff. fluid for free tomorrow at work, but im not sure if its good or not. its 80-140w

d.delano 02-02-2006 09:56 PM
It will clean your diff out I know that. I changed mine with Valvoline SynPower when I first got the car then the axles both went and Red Line Shockproof was what was put back in. The shockproof may have been overkill.

kmaysob 02-02-2006 09:59 PM
Quote:
Originally Posted by d.delano
It will clean your diff out I know that. I changed mine with Valvoline SynPower when I first got the car then the axles both went and Red Line Shockproof was what was put back in. The shockproof may have been overkill.

well since its in the 55gallon drum i was thinking about draining it, filling it and then draining it again.

Gurkha 02-02-2006 10:04 PM
Synthetic 85W-140 from any reputed manufacturer can't be bad at all, free is even better, you are indeed lucky.

kmaysob 02-02-2006 10:08 PM
Quote:
Originally Posted by Gurkha
Synthetic 85W-140 from any reputed manufacturer can't be bad at all, free is even better, you are indeed lucky.

i am, i have been able to change all my fluids for free at work for free. all it costs me is a filter(my shop doesnt stock mine) i am soon gonna do my trans. fluid and filter using the vavoline highmile fluid

Hit Man X 02-02-2006 10:28 PM
I change the axles at 25K, first was done with syn to get it clean inside. Once the bolts are broken free and reinstalled with antiseize they won't cause the same problems again. :)

kmaysob 02-02-2006 10:33 PM
Quote:
Originally Posted by Hit Man X
I change the axles at 25K, first was done with syn to get it clean inside. Once the bolts are broken free and reinstalled with antiseize they won't cause the same problems again. :)
i plan to "break it loose" with it on a lift. so i will be able to have plenty of leverage

sailor15015 02-02-2006 10:33 PM
That's good to hear. What's the recomended oil weight to go in a differential?

Hit Man X 02-02-2006 10:49 PM
Quote:
Originally Posted by kmaysob
i plan to "break it loose" with it on a lift. so i will be able to have plenty of leverage


I was on the driveway :D Took a bit of effort.

I run 75W90, the el cheapo from AutoZone. Coastal I believe is the brand.

sokoloff 02-02-2006 11:16 PM
I think an 85W90 GL-5 is what is called for.

Len

Austin85 02-02-2006 11:36 PM
I used NAPA brand 85-90W gear oil. speced to my '85. Was only like $6.95 per bottle. And came in a spout bottle designed not to spill when loading into diff hole.


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