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Book says 80w-90 GL3 or above I think, bought some Castrol synthetic75w-90 GL5 does it matter? Haven't opened it and can return it. What's the GL mean anyway? Thanks in advance for the good advice here.
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Molto Verboso
07 LX50
Joined: UTC
Posts: 1977
 
Molto Verboso
07 LX50
Joined: UTC
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Gl3 was then and now its gl4,gl5, it has to do with what's in it and safe for different alloys.Like rust inhibitors I guess.So what you have is fine.
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Hub oil 2003 et2 two stroke
Good to know, thanks.
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2012 GTV 300
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Location: Houston, TX - rural 'burbs
 
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2012 GTV 300
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Location: Houston, TX - rural 'burbs
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Re: Hub oil 2003 et2 two stroke
jsm wrote:
What's the GL mean anyway?
Gear lube?
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Molto Verboso
07 LX50
Joined: UTC
Posts: 1977
 
Molto Verboso
07 LX50
Joined: UTC
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Haha might be . I've read some in depth threads here about 3,4&5 and don't remember much lol So I'm using royal purple gl4/5.yah some have both,but what I understand is anything will be ok 4,5,4/5.. It's gona be a long long long time till I change it again. Clown emoticon
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Hooked
2012 GTV 300
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Location: Houston, TX - rural 'burbs
 
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2012 GTV 300
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Location: Houston, TX - rural 'burbs
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Mudnman wrote:
Haha might be . I've read some in depth threads here about 3,4&5 and don't remember much lol So I'm using royal purple gl4/5.yah some have both,but what I understand is anything will be ok 4,5,4/5.. It's gona be a long long long time till I change it again. Clown emoticon
Ya, that's the way I read it, too..... that GL4/5 is an improvement over the GL 3 spec. That and the fact that GL 3 seems harder to come by these days....

I'm using the Valvoline 75W/90 synthetic. I believe I've read here before that even mineral oil (non-synthetic) can be used in the hub oil but I like the synthetic stuff cause it almost always has better properties (sheer, temp, etc.).... Costs more, that's all...
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Hooked
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Hub oil 2003 et2 two stroke
Good, and I've read here or somewhere that it's all the same as 30W. Don't want to try that though.
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