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					Originally Posted by The T-man  Some old timer told me that prior to install, treating a new cast aluminum manifold with several applications of Rainex would supposedly keep it from getting oil/fuel stained. 
I don't want to polish it. Looking for low maintenance.
 
what do you guys think, or use / recommend? 
 
thanks in advance!  | 
	
 Never heard of that. Some people powder coat them with clear