Bob,
Which means they are all very similar in the temp. range of the gearbox
at outside temperatures of 10-30:C. For the gearbox not a big deal.
Allthough 5W30 may be a bit on the thin side for my liking.
Kees Oudesluijs
NL
Bob Spidell wrote:
> Kees,
>
> I don't quite understand this statement. A different viscosity rating
> means, well, the oils have a different viscosity:
>
> "Kinematic viscosity is graded by measuring the time it takes for a
> standard amount of oil to flow through a standard orifice, at standard
> temperatures. The longer it takes, the higher the viscosity and thus
> higher SAE code." -- Wikipedia
>
> According to Redline, MT-90 is equivalent to 75W-90 gear oil or 15W-40
> motor oil--not 20W-50 as I recalled incorrectly--and MTL is equivalent
> to 70W-80 gear oil or 5W-30 motor oil.
> The differences may not be noticeable in the bottle, but they are
> measurable.
>
> bs
>
>
> Oudesluys wrote:
>> Both MT-90, MTL, EP-90 and 20W50 should have about the same viscosity
>> as straight SAE30.
>> Kees Oudesluijs
>> NL
>>
>>
>> Bob Spidell wrote:
>>> MT-90 is a little thicker--equivalent, I think, to 20W-50. MTL is
>>> about the same as 30W.
>>>
>>>
>>> bs
>>>
>>
>>
>
>
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