Dirk Diggler rides again! ’77 Corvette, full wet sand and buff by Rasky’s Auto Detailing

RaskyR1

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For those of you who may be wondering who Drik Diggler is, I strongly recommend renting the movie “Boogie Nights” ;)

This 1977 Corvette belongs to the mother of my roommate. The car has been in the family for over 20 years now, but unfortunately it has not been driven in years. Since his mother can no longer drive the car they decided to get it running so they could try and sell it. As most of you already know, cars are meant to be driven, and when they are left to sit for long periods of time things start to go bad. Since my roommate is very mechanically inclined he offered to fix the parts that needed to be replaced prior to sale and also asked me if I’d help him restore the finish. Obviously I couldn’t say no to working on Dirk’s car! :D

It had been over 10 years since the car was repainted and there was noticeable shrink in the paint as well as many washed induced swirls from over the years. Having talked with the painter we learned that there was at least 3 coats of clear used when it was painted and the car had only been lightly sanded after the initial repaint…which meant we should have a safe amount of paint to work with. :)

Here is the car prior to correction. As you can see there is heavy marring and light oxidation in the paint.
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Here you can see the rough distorted texture of the paint as a result of the shrinking over the last 10 years.
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We first did a few test panels using various grit paper to determine which route we wanted to go with.
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The deciding sanding process was to use the following:

  • 3M 1500 grit on the PCXP
  • Mirka Abralon 2000 grit on the PCXP
  • Mirka Abralon 4000 grit on the PCXP


Initially I had planned to remove the sanding scratches with the PCXP and Surbuf pads as it worked effortlessly in my test panel. I also felt it was a tool my roommate could handle. However, once I started looking at all the sharp edges it was clear that the rotary would be the better option as it allows me to buff off/away from the edges, which is necessary when trying to remove sanding scratches close to the edge.

Sanded pics
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Testing out the Surbuf pads on the door
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The deciding polishing process for the sanding scratch removal was as follows:


  • M105 via rotary with Meguiars Solo wool pad (finished out very nice too)
  • Menzerna Power Finish via PCXP and Cyan LC pad (roommate helped with this step)
  • Menzerna 106fa via rotary and Crimson LC pad





Our choice for LSP was Blackfire Wet-Diamond, tires were clean with Optimum Power Clean and dressed with Meguiars Hyper Dressing. All chrome trim was polished with Optimum Metal Polish.

Keep in mind this job was really under the gun, which limited the amount of pics I was able to take. The work on this car took place over 3 evenings after we both finished with our regular jobs. The idea was to get the car done by Friday so that he could drive it home for a family wedding to show his mom and family. A total of 15hrs were spent on this job, which is far less than I would normally spend as I like to take my time and hate being rushed. I did have the help of my roommate though, and he handled all the fine detailing and even helped with the 2nd polishing step. We finally finished late Thursday night and I came back on my lunch break Friday afternoon to take some sun pics before he left town. I decided to do a quick wipe down with some Z8 to remove any light dust which ended up streaking the paint a little and I really didn’t have time to deal with it before taking the pics…I’m sure you can see it in a few of them… :(
 
After pics
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As always, thank you for taking the time to view my work.

Rasky
 
:props:

Nice job! Can't believe only 15 hours - would have taken me 15 days.

Regards,
GEWB
 
nice work. my ol' man has a "73 in the exact situation,getting fixed up for sale. such a waste but he wants it gone.
 
:props:

Nice job! Can't believe only 15 hours - would have taken me 15 days.

Regards,
GEWB

Thanks GEWB!

15 total hours, but I had help too don't forget. Normally a job like this takes me 25-40hrs. ;)

nice work. my ol' man has a "73 in the exact situation,getting fixed up for sale. such a waste but he wants it gone.

Thanks man!

I know my roommate hates to see it go too....hopefully he will just end up buying it from his mom. ;)

Great job Chad, this is the kind of detail that I enjoy seeing.

Thanks again Dana! :)
 
Dirk Diggler would love to ride in a Corvette that looks this good. Awesome job RaskyR1
 
You never cease to amaze me Rasky! :props:

Question, why does a rotary work better around the edges?
 
Dirk Diggler would love to ride in a Corvette that looks this good. Awesome job RaskyR1

Thanks Bobby!

You never cease to amaze me Rasky! :props:

Question, why does a rotary work better around the edges?

Thanks Mark!

A graphic would probably help explain this but hopefully you'll understand what I'm trying to say. :)

Any time you run a polisher over an edge you have one side of the pad spinning off the edge and one side spinning into the edge. Obviously the side spinning into the edge is going to cut away faster at that edge. Since a rotary only spins clockwise you can actually run up to the edge while tilting the pad slightly, just enough so that only the side of the pad that is spinning off/away from the edge is touching the paint. If you were to tilt the pad on a PC/G110/Griots the pad would stop rotating. I guess you could do this on a Flex too but it would likely be harder to control.

Since these edges are very sharp and the fact that I wet sanded up close to them, this was the best option.

Also note that when I do this I tape the off the edge on the opposing panel. ;)


Hope that helps. :)

Incredible work as is the norm for you Chad...

Also, excellent photography and write-up...


:bowdown: :bowdown: :bowdown:


Thanks Mike! :cheers:
 
Thanks Mark!

A graphic would probably help explain this but hopefully you'll understand what I'm trying to say. :)

Any time you run a polisher over an edge you have one side of the pad spinning off the edge and one side spinning into the edge. Obviously the side spinning into the edge is going to cut away faster at that edge. Since a rotary only spins clockwise you can actually run up to the edge while tilting the pad slightly, just enough so that only the side of the pad that is spinning off/away from the edge is touching the paint. If you were to tilt the pad on a PC/G110/Griots the pad would stop rotating. I guess you could do this on a Flex too but it would likely be harder to control.

Also note that when I do this I tape the off the edge on the opposing panel. ;)


Hope that helps. :)
Thanks Rasky, I completely understand what you're saying. I knew you might be referring to how the will pad stop spinning, but I was thinking along the lines of a Flex 3401(what I use), not a regular DA. :doh: Although, it's intersting how you mention the 3401 my be harder to control than a rotary on the edges/curves.
 
Thanks Rasky, I completely understand what you're saying. I knew you might be referring to how the will pad stop spinning, but I was thinking along the lines of a Flex 3401(what I use), not a regular DA. :doh: Although, it's intersting how you mention the 3401 my be harder to control than a rotary on the edges/curves.


Been a while since I've used the Flex but I think it tends to wonder if you tilt the pad doesn't it??? LOL, now you make me want to go out and try it! :D

Obviously it's always best practice to keep the pad flat and this is something one would only do when trying to remove a defect close to an edge. ;)
 
Great work, great writeup, and great photography! :props:
 
Think I need to add Boogie Nights to my Netflix list! As for the car, I love to see the color red restored. Something every nice about Red going from dull to shiny!
 
Think I need to add Boogie Nights to my Netflix list! As for the car, I love to see the color red restored. Something every nice about Red going from dull to shiny!

Thanks Meghan!

Boogie Nights is an awesome movie IMO, but it's definitely not for everyone! :D

What a beautiful job !! 10/10 !!!

Thank you! :)
 
As always Chad great work and nice save on a beatiful ride!
 
I love boogie nights!

During your compounding stage which wool pad did you use the yellow or the red?

Very nice work and to be done in 15h can anyone say speedy!!:props:
 
As always Chad great work and nice save on a beatiful ride!

Thanks Tad!

I love boogie nights!

During your compounding stage which wool pad did you use the yellow or the red?

Very nice work and to be done in 15h can anyone say speedy!!:props:

Thank you!

I used the maroon Solo wool pad. The paint was very easy to work with and it actually finished down very well with this step. :)
 
Thanks Mark!

A graphic would probably help explain this but hopefully you'll understand what I'm trying to say. :)

Any time you run a polisher over an edge you have one side of the pad spinning off the edge and one side spinning into the edge. Obviously the side spinning into the edge is going to cut away faster at that edge. Since a rotary only spins clockwise you can actually run up to the edge while tilting the pad slightly, just enough so that only the side of the pad that is spinning off/away from the edge is touching the paint. If you were to tilt the pad on a PC/G110/Griots the pad would stop rotating. I guess you could do this on a Flex too but it would likely be harder to control.

Since these edges are very sharp and the fact that I wet sanded up close to them, this was the best option.

Also note that when I do this I tape the off the edge on the opposing panel. ;)


Hope that helps. :)

:urtheman:
 
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