J jozak Free Member Nov 24, 2009 #1 I recently switched from a two stroke(viper) to a four stroke(05RX1) this year. In the past I have always ran iso heet in my sled. Does anyone use it in their four stroke.....is it a good/bad idea???? Appreciate the input
I recently switched from a two stroke(viper) to a four stroke(05RX1) this year. In the past I have always ran iso heet in my sled. Does anyone use it in their four stroke.....is it a good/bad idea???? Appreciate the input