Quote Originally Posted by pat mccarthy View Post
black beauty will make the intake look like new .it very sharp so it can cut alum so you have to move fast not stay in one spot .keep from any machined finsh or cover up . i pained some intakes with PPg DP 90 black hold out was good and PPg DAU 75 clear work good to if ex cross over is plug .i never had it peel off but if your going to dump fuel on a hot intake all bets are off
Pat,

I have used Black Beauty before and it's use on a intake short of a cast iron is a bit aggressive for aluminum as you said to keep moving.Eastwood sells media geared towards the type of material your trying to clean.Nut shells is one type that comes to mind as a example.Yrs ago I told my partner in the race car that I wanted to polish by hand the unpolished aluminum floor boards before a car show.He just smiled and handed me a rag and told me to start in one corner of the trunk.LOL-well after about a hr of busting my backside and not getting very far,I turned to him to tell him that might not be a very good idea.To polish aluminum takes time and patience to get a high polish look.Buffing wheels on a grinder is one tool after blasting is one tool to look at.There is a system that I bought from Eastwood that gives all the stuff you need.