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Re: [Healeys] trans oil

To: Bob Spidell <bspidell@comcast.net>
Subject: Re: [Healeys] trans oil
From: Oudesluys <coudesluijs@chello.nl>
Date: Mon, 14 Jun 2010 15:51:05 +0200
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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