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				Originally posted by VR4_Craver  
What would happen if when i go to use my nitrous and i have like 1/2 tank of 87 and fill it up with 93 and then use it would it hurt the engine any or should it be alright. When i say go to use it like on a dyno pull or at the track. 
			
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throw in a gallon or 2 or toluene.