I would recommend using Optimum No Rinse (ONR). You should use the two bucket method with one bucket used with the ONR solution and one with plain water so that you can rinse your wash media off and let the grit stay out of the solution bucket so that they don't make it back to the car's paint. The next thing is to get a good wash media: I have been using ONR for 3 years and have had good success using a microfiber chenille mitt and a grout sponge such as those at Lowes. My observations and tips:
-I have not used a hose on my cars in 3 years: the key is that you work from top to bottom going section by section. You should work on small sections (1/4 of the hood = one section), then you immediately dry that section and move on.
-Use little to no pressure when washing/drying.
-Use a quality drying towel: a plush drying towel is good because you can blot drying and reduce the risk of marring.
-It can be used on everything: once you finish cleaning the paint, use the remaining ONR solution to wash the wheels. You can even use it to clean the interior by dampening a MF towel and performing a wipe down.
I have not used a hose on the Z since I first got it and it has no marring whatsoever, the key with ONR is in using careful technique and is perfect for your criteria in my opinion.
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-320whp / 259wftlbs-
SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob
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