02-01-2015, 01:10 PM
Dave. I've never used 3x. It looks similar to a rust converter that Eastwood sells. I have used the Eastwood product then coat with por 15 then oil or fluid film
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.