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Cutting a Cowl

Cutting a Cowl

Tidy workmanship is key to making your ARTF stand out from the crowd and there's no greater testament to your building skill than a neatly cut cowl

john marsh13/01/2018 16:28:00
15 forum posts

I was interested to read Steve Sales comments on aspen fuels I notice that their mix is 50-1 so is it OK to use in all petrol 2strokes regardless of manufactures recommendations?

Don Fry13/01/2018 18:31:06
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2103 forum posts
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That is a complex question. Most manufacturers are conservative, and recommend more oil than is needed. And there are oils, and oils. But that is not to forbid you using this stuff, and adding a bit of the best oil, say the synthetic polyester used by moto cross bikes, to get to your manufacturers oil content, made up in small quantities. And lean the oil mixture for oil, to see if the engine gets stressed.

Mine, 40 to one, and 30 to one, all run fine on 50 to one. (Petrol in my case). But you have to suck and see if your engine is good. Even a sayso that you brand of moter is OK can only be followed if you are sure you trust the source.

Edited By Don Fry on 13/01/2018 18:35:03

Jon - Laser Engines13/01/2018 20:44:03
3471 forum posts
142 photos

you can buy aspen without any oil in it and mix it up yourself

Steve Hargreaves - Moderator14/01/2018 17:09:34
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6547 forum posts
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Moved to the IC Engines section....thumbs up

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