RCU Forums - View Single Post - Do 4stroke engines need to use 4stroke fuel?
Old 08-03-2008 | 08:06 PM
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Ken4
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From: , SINGAPORE
Default RE: Do 4stroke engines need to use 4stroke fuel?

Im not using Cool Power MV. This is what Im using:

http://www3.towerhobbies.com/cgi-bin...?&I=LXGHB4&P=0

17% lube ultra high viscosity. Does it matter if its ultra high viscosity or multi viscosity?