What kind and weight oil do you guys use in your GT-40's? On the info panel it says straight 40 weight oil, and that seems a little heavy.
There was a thread about this recently, but for the Excalibur engines.
I would have searched the forums but it disregards words 3 letters or shorter.
Thanks.
There was a thread about this recently, but for the Excalibur engines.
I would have searched the forums but it disregards words 3 letters or shorter.
Thanks.
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