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Twinwheel Differential Oil

Post by MattA24 » Subscribing Member » Sun Apr 30, 2017 2:50 pm
Joined: Wed Jan 15, 2014 9:06 pm
Posts: 213
Quick Diff Oil Question:

I'm meaning to change my diff oil amongst other fluids, I was offered a big big new bottle EP GL4 80w90 oil today. I think the diff is said to take sae90 - will the 80w90 be suitable?

Much obliged,

Re: Twinwheel Differential Oil

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Post by Phil Bradshaw » Club admin » Sun Apr 30, 2017 3:03 pm
Joined: Sun Sep 02, 2012 7:15 pm
Posts: 3795
80W/90 GL4 should be fine; 80W is the cold viscosity but the oil soon will rack up to SAE 90 as the gears warm up.
  • What is real is not the external form but the idea, the essence of things. Constantin Brâncuși

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