another diff fluid question
Thread Starter
Burning Brakes
Joined: Jul 2004
Posts: 932
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From: Las Cruces New Mexico
another diff fluid question
I am going out to do the brakes, rear diff and transmission work this weekend and have a question on the rear diff fluid.
I just saw that there is a severe 75-140 oil. This is a daily driver in southern new mexico (today's temp 103). Summer is hot and winters are rather mild. I drive up and over a mountain everyday for work. Do any of you mechanics recommend this or stay with the amsoil 80-90? Thanks for all the input.
I just saw that there is a severe 75-140 oil. This is a daily driver in southern new mexico (today's temp 103). Summer is hot and winters are rather mild. I drive up and over a mountain everyday for work. Do any of you mechanics recommend this or stay with the amsoil 80-90? Thanks for all the input.
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Joined: Aug 2001
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From: King George VA
The AMSOIL Severe Gear Extreme Pressure Synthetic 75w90 meets owner's manual requirements and is what I use in my Z06 which sees exclusive track use and thus very high diff temps. For a Corvette, this is the diff fluid I recommend. 
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C66 Racing #66 NASA ST2, SCCA T2
AMSOIL Dealer (Forum Vendor)
AMSOIL Preferred Customer Program (Members buy at Wholesale - a savings of about 25%)
Premium Supporting Vendor
Joined: Aug 2001
Posts: 5,364
Likes: 38
From: King George VA
Originally Posted by rcknusa
Thank you Subdriver. I assume you are or where active duty. Thank you for your service.
