transfer case fluid?

[nh98gsx]

I was wondering what is the best fluid to use in the transfer case.
I have 3qts of GM synchro. for the Transmission.
1qt of red line 75w90 for the rear diff.
but i am not sure what to use on the transfer case. I talked to redline today and they recommeded 1/2 mtl90 and 1/2 75w90. Is there any else, or is it even ok to use the GM synchro.

 

[Defiant]

I've heard of this coming from Redline before. And I'd listen to anything they say: you're dealing firsthand with one of _the_ most outstanding, customer-aware companies on the planet.
Next time, and for others, use Pennzoil Synchromesh in place of GM: same product, $4.50/bottle, and you don't have to wrestle it out of a GM parts salesman- many of whom seem to derive all their entertainment from dicking with anyone who's not a $500-a-week customer.

 

[lilolee00]

http://www.roadraceengineering.com/eclfluids.htm
i use redline shock proof. for my t-case.

 

[nh98gsx]

yeah, i have been allover, myzero, and rre. but to tell you the tech at redline did not recommend the shock proof, he recommended the mix and the 75w90.

 

[jretta91]

75W to 95W is about stock specs

 

[nh98gsx]

let me know what type of fluid you are using in you transfer case, and how it has worked out for you.

 

[HokieDSM]

Put in Redline Shockproof when I put my xfer case back on last month, been running wonderful ever since (even a little quieter).