LE-607 diff fluid
05-21-2007, 12:44 AM
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90crvtec Posted on May 20 2007, 04:51 PM
Thinner IS better, in your engine 
The diff doens't have an oil pump and the pinion is close to being submerged in oil.
IMO the diff generates enough energy to warm up the oil (any oil) very quickly.
00CivicSi Posted on May 20 2007, 02:31 PM
If one wants to stick to Honda oil, Honda Marine SAE 90 GL-5 is also available.
It may be as hard to get.
The Amsoil is a very good choice for cold climates, IMO much better then the "regular" 75W-90 (at any outside temp).
Wouldn't it be nice to stop using the wide-band SAE viscosities and use a viscosity recommendation in cSt or SUS?
Engine : 10 cSt +- 1 with added cold cranking viscosities.
Diff : 20 cSt +- 1 GL-5
Etc....
Maybe one day
However, I view this argument : (this winter in Kansas City was really damn cold. It made me think twice about running a straight 90W oil) as being similar to the "thinner is better" motor oil discussions.
The diff doens't have an oil pump and the pinion is close to being submerged in oil.
IMO the diff generates enough energy to warm up the oil (any oil) very quickly.
00CivicSi Posted on May 20 2007, 02:31 PM
And, I don't know if the motivation to make this recommendation: (80W-90) was primarily because straight 90W gear oil is difficult to find in the consumer market, or because S2000s in Canada typically are driven in colder climates that those in the US.
It may be as hard to get.
The Amsoil is a very good choice for cold climates, IMO much better then the "regular" 75W-90 (at any outside temp).
Wouldn't it be nice to stop using the wide-band SAE viscosities and use a viscosity recommendation in cSt or SUS?
Engine : 10 cSt +- 1 with added cold cranking viscosities.
Diff : 20 cSt +- 1 GL-5
Etc....
Maybe one day
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