the best way to keep any rim clean is to not let it get terribly dirty in the first place.
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1992 GT......
AOD to T-5 conversion, 3.73's, Zoom HD clutch, ported E7's, cut open and ported factory intake, ported stock throttle body, subframe connectors, 1.5" headers, o/r h-pipe, flowmaster cat back, MAC air tube, K&N conical filter, homemade heat sheild for filter, homemade cold air kit, MSD coil, 9mm plug wires, advanced base timing to 12 degrees, Chrome Pony rims, 235/55/r16 Cooper Cobras..... definately more to come!! ALL of this was done by myself....including the porting and gea
Get Zeps all perpose cleaner. It's in dustrial and you can find it at Home pepot. It is in a big tub. It's used for steam cleaners and you can put it in the spray pump bottles. Spary it on and let it sit for a short while. Don't let it sit for long it will take paint off. Then hose it off after or what works best is if you spary alittle on and then use the pressure washer to blast the crap off. Works great. Does a better job than a degreaser. I've used it washing a Mack truck and it worked awsome.
06 mustang gt premium 5 spd manual redfire with dark charcoal int IUP my color and shaker 1000 -ford chrome bullitt wheels,MGW power outlet/ac knobs and raido knobs/cup bezel, chrome tail light bezels and headlights, C & L cai / Brenspeed 93 tune, MGW shifter, SLP Loadmouth, Shelby spoiler, sequential turn signals,J&M lca, 14 inch antenna and Zanio