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914World.com _ 914World Garage _ Swepco 201 in a 915 w/factory LSD?

Posted by: East coaster Nov 12 2008, 08:40 PM

What the best tranny oil for a 915 with a factory limited slip. I think it's currently Swepco 201 and I was going to use the same but not sure if there's any additives required for the LSD?

Posted by: 396 Nov 12 2008, 11:23 PM

QUOTE(East coaster @ Nov 12 2008, 06:40 PM)

What the best tranny oil for a 915 with a factory limited slip. I think it's currently Swepco 201 and I was going to use the same but not sure if there's any additives required for the LSD?

Not sure if this is correct but I use 50% Swep and 50% Mobil 1 7090 some thing gear oil and the Ford Limited Slip lub with a 80% locking factor

Posted by: Phoenix 914-6GT Nov 12 2008, 11:30 PM

Guys at our local Porsche race prep shops say Swep is the way to go. Many of the cars they prep have 915's with LSD and TB diffs.

Posted by: wbergtho Nov 12 2008, 11:37 PM

QUOTE

What the best tranny oil for a 915 with a factory limited slip. I think it's currently Swepco 201 and I was going to use the same but not sure if there's any additives required for the LSD?

The best oil you can buy for a 915, 901, or 930 box! You are doing it right!