Cocktail mix foamy?

lucas · Post by **lucas** » Wed May 11, 2011 9:12 pm

just did the cocktail mix drove around checked fluid. Pretty foamy. Added both hypoy C and shockproof topped off with sycromesh

Deride · Post by **Deride** » Wed May 11, 2011 9:19 pm

I didn't like the mix one bit. My front diff whined quite loudly with the cocktail mix in it while ice racing. I only run plain old 75w90 or subaru extra S in my gearboxes now.

93forestpearl · Post by **93forestpearl** » Thu May 12, 2011 3:34 am

I would stay away from the cocktail. Subaru Extra S is the proper oil for these finicky transmissions.

Grayguy · Post by **Grayguy** » Thu May 12, 2011 4:00 am

If I had a 6mt, I'd run the extra S, everything else gets 80w90, of the dead dinosaur variety, usually pennzoil or valveline.

n2x4 · Post by **n2x4** » Fri May 13, 2011 7:40 pm

I'd also avoid the cocktail. Reports have surfaced about damage this mix does to Subaru transmissions.

lucas · Post by **lucas** » Sat May 14, 2011 3:27 am

hmm will pick up some extra S. waste of 30 bucks

Mattheww044 · Post by **Mattheww044** » Sat May 14, 2011 6:13 pm

not to steal the post, but does the Subaru Extra-S Work for our tranny and rear diff?
How much will I need total? (for both if applicable)
Do you guys recommend any additives, or just the Extra-S?

ericem · Post by **ericem** » Sun May 15, 2011 6:31 pm

Ya that cocktail mix is crap I ran the same in my car and it was whiny as well!! I assumed it was prob just the transmission bearings, but probably would have been much quieter if I tried just straight gear oil.

Deride · Post by **Deride** » Mon May 16, 2011 11:19 pm

Just extra S and like 4.2qts for the tranny I think. I wouldn't use it in the rear diff.

Mattheww044 · Post by **Mattheww044** » Tue May 17, 2011 2:36 am

what would u recommend for the rear diff?

Deride · Post by **Deride** » Tue May 17, 2011 3:27 am

75w90 or 80w90, no additives unless you have an old clutch type LSD then I'd go redline 75w90 NS. R160 rear diff takes a quart.

Mattheww044 · Post by **Mattheww044** » Tue May 17, 2011 3:56 am

Hmmm... Ill probably just get whatever subaru makes if they make anything for the LSD Rear Diffs

Deride · Post by **Deride** » Tue May 17, 2011 4:03 am

If it is a viscous LSD unit just use 75w90.

Mattheww044 · Post by **Mattheww044** » Tue May 17, 2011 7:26 am

What brand do you recommend? Mobil?

Post by **Legacy777** » Fri May 27, 2011 7:31 pm

The extra-s is fine for the rear diff. It is much less finicky than the transmission, so any GL5 rated gear oil should be fine.

Mattheww044 · Post by **Mattheww044** » Sat May 28, 2011 3:09 am

sounds good, I'll get some ordered ASAP. Anyone know the fluid capacities off the top of their head for the 5MT tranny and 3.9 VLSD diff?

Post by **Legacy777** » Tue May 31, 2011 6:25 pm

You'll need 5 qts. The trans takes just under 4 qts, and the rear diff takes just under 1 qt.

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