So it's been about a month since the Routan had its last wash, and I did the Optima yesterday and saw GWC got rid of everything, so today was DWC vs GWC on the brake dust monster.
I forgot befores, so you need to take my word they both looked like this or worse:
1st up, DWC.
During shots:
Agitated
After (what's left is grease based and came off later with APC)
Now GWC[i didn't use a foaming nozzle, it wastes too much product] (no during shots)
After (what's left is grease based and came off later with APC)
Overall, the results were identical, but I probably used a little less DWC and DWC required less agitation.
Here's why you don't go to an automatic car wash (it's my parents car and they don't seem to care about the swirls even though they know they are there). The whole car is covered in them.
Question
SYMAWD
So it's been about a month since the Routan had its last wash, and I did the Optima yesterday and saw GWC got rid of everything, so today was DWC vs GWC on the brake dust monster.
I forgot befores, so you need to take my word they both looked like this or worse:
1st up, DWC.
During shots:
Agitated
After (what's left is grease based and came off later with APC)
Now GWC[i didn't use a foaming nozzle, it wastes too much product] (no during shots)
After (what's left is grease based and came off later with APC)
Overall, the results were identical, but I probably used a little less DWC and DWC required less agitation.
Here's why you don't go to an automatic car wash (it's my parents car and they don't seem to care about the swirls even though they know they are there). The whole car is covered in them.
It cleans up nicely though
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