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#1 |
Registered User
![]() Join Date: Mar 2011
Location: Allen, Texas
Posts: 44
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1968 C10 Differential Capacity
Changing the oil in the differential. I believe I have a stock setup with 3:73 gears. Looking to know if anyone knows the capacity and should I use a synthetic or not?
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#2 |
Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,217
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Re: 1968 C10 Differential Capacity
It will take 4 pints. I dont use synthetic. I dont think its worth the extra money. A GL-5 rated gear lube is all you need.
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#3 |
Registered User
![]() Join Date: Mar 2011
Location: Allen, Texas
Posts: 44
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Re: 1968 C10 Differential Capacity
Thanks, I have the synthetic on hand so no issue. Thanks for the help
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#4 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: 1968 C10 Differential Capacity
synthetic is far superior and well worth the money i run synthetic in engine tranny rearend and wheel bearings // it makes a true positive increase in gas milage and these trucks need as much help as possible when it comes to gettin better milage
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#5 |
Registered User
Join Date: Apr 2010
Location: Boise, ID
Posts: 1,280
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Re: 1968 C10 Differential Capacity
I thought that if somebody switched to Synthetic after already using fossil based oil that it causes leaks by softtening the seals or something. Is that true?
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