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Re: Final Step of Machine Wheel Lip Repair
The only way I know to get it to -match- to have it recut.
Tire comes off, and in general shop strips paint repaint, recut and reclear.
Depending on how much -warranty- the shop will want to cover, he may chance a recut and clear skipping the paint.
I'm sure some Mobile Wheel Guy has a trick up his sleeve to -spray and blend - the work in, but matching a cut finish via **polishing** is hard to attain IMO.
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Re: Final Step of Machine Wheel Lip Repair
I did that once, but I was lucky it was a GM "high polish clear" wheel so it was hardly noticeable. You might try scuffing it a bit starting with your 3000 grit paper and work down to see if you can get the appearance a bit more matte so it doesn't stand out so much.
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Re: Final Step of Machine Wheel Lip Repair
Thank you both! I actually hadn't realized that I "over polished" it, so when I went back over it with the 3000 grit sandpaper it got the sheen to be a lot closer. Still not perfect but much less noticeable.
I just ordered SprayMax 2K Glamour Matte clear coat to seal it with and hoping that makes it blend in even more.
Thanks again for your help/input.
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Re: Final Step of Machine Wheel Lip Repair
Do you have another test spot to tinker with. Mobile guys will often knock it back with a scotchbrite -esque to make it a bit more opaque....
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Re: Final Step of Machine Wheel Lip Repair
Originally Posted by chefwong
Do you have another test spot to tinker with. Mobile guys will often knock it back with a scotchbrite -esque to make it a bit more opaque....
Do you happen to know what kind of scotchbrite pads they use? I actually reached out to two mobile wheel guys on IG after seeing their videos using one asking for the specific product and never got a response.
Kind of looks like they used one of these but it's hard to tell with all the varieties out there. https://www.3m.com/3M/en_US/p/d/b40071750/
Thanks!
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Re: Final Step of Machine Wheel Lip Repair
Sorry I don't. This stuff comes in all shapes and sizes...hand pad, rocloc disc type, etc....
And the mobile guys probably have a whole slew ---- for their craft as all diamond cuts are different.
How often do you go through rubber (aka, tires mounted/dismounted). Just due to the nature of the finish, clear doesn't *bite* well into it not is spray clear generally a hard finish that might chip out on the next mount / dismount....Just pointing this out since it was my radar as I was typing out the pad type
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Re: Final Step of Machine Wheel Lip Repair
I was also going to say try a scotchbright pad, just not sure which one.
Found this on a Google search so take it for what that's worth.
As usual, start with the least aggressive and work from there.
SCOTCHBRITE GRIT CHART
3M Scotch Brite Nylon Pads:
7445 - White pad, called Light Duty Cleansing - (1000) 1200-1500 grit
7448 - Light Grey, called Ultra Fine Hand - (600-800) 800 grit.
6448 - Green (?), called Light Duty Hand Pad - (600) 600 grit
7447 - Maroon pad, called General Purpose Hand - (320-400) 320 grit
6444 - Brown pad, called Extra Duty Hand - (280-320) 240 grit
7446 - Dark Grey pad, called Blending Pad (180-220) 150 grit
7440 - Tan pad, called Heavy Duty Hand Pad - (120-150) 60(?)
Green Scotch Brite is available EVERYWHERE. It's 600 grit.
Blue Scotch-Brite is considered to be about 1000 grit.
(The value inside the parentheses is directly from 3M.)
3M Chart
Less Aggressive --------> More Aggressive
7445 7448 6448 7447 6444 7446 7440
Finer Finish --------> Coarser Finish
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Re: Final Step of Machine Wheel Lip Repair
Originally Posted by chefwong
Sorry I don't. This stuff comes in all shapes and sizes...hand pad, rocloc disc type, etc....
And the mobile guys probably have a whole slew ---- for their craft as all diamond cuts are different.
How often do you go through rubber (aka, tires mounted/dismounted). Just due to the nature of the finish, clear doesn't *bite* well into it not is spray clear generally a hard finish that might chip out on the next mount / dismount....Just pointing this out since it was my radar as I was typing out the pad type
Originally Posted by Odrapnew
I was also going to say try a scotchbright pad, just not sure which one.
Found this on a Google search so take it for what that's worth.
As usual, start with the least aggressive and work from there.
SCOTCHBRITE GRIT CHART
3M Scotch Brite Nylon Pads:
7445 - White pad, called Light Duty Cleansing - (1000) 1200-1500 grit
7448 - Light Grey, called Ultra Fine Hand - (600-800) 800 grit.
6448 - Green (?), called Light Duty Hand Pad - (600) 600 grit
7447 - Maroon pad, called General Purpose Hand - (320-400) 320 grit
6444 - Brown pad, called Extra Duty Hand - (280-320) 240 grit
7446 - Dark Grey pad, called Blending Pad (180-220) 150 grit
7440 - Tan pad, called Heavy Duty Hand Pad - (120-150) 60(?)
Green Scotch Brite is available EVERYWHERE. It's 600 grit.
Blue Scotch-Brite is considered to be about 1000 grit.
(The value inside the parentheses is directly from 3M.)
3M Chart
Less Aggressive --------> More Aggressive
7445 7448 6448 7447 6444 7446 7440
Finer Finish --------> Coarser Finish
Thank you both! This 3M Ultra Fine pad (available at Home Depot for $3) was definitely the way to go. If I were to do this all over again I'd sand the damage to 3,000 grit then hit it with the ultra fine pad before putting a coat of clear on it. Still not 100% perfect and will never be without getting it machined but at this point it pretty much blends in. You've gotta really be looking for it to see where the damage was, even in direct sunlight.
I might've been able to do a better job blending the repair area in if I was willing to extend the repair further around the circumference of the wheel, but I'm no pro here so I kept the repair pretty tight to the curb rash damage. I'm happy with how this turned out all things considered.
Chefwong - Good call on the clear coat. These are brand new summer tires/wheels that only get about 5K miles per year. In lieu of getting a nail in that tire, it should be at least 3 years before that tire will need to be removed. I will probably have forgotten about the clear at that point lol. Thanks again for your help!
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