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My first stab at using a rotary. Loooong!!

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  • My first stab at using a rotary. Loooong!!

    Heh, guess I shouldn't have been that worried!! Sure, it still spooks me at times as it behaves much differently than a dual action, but I'll get used to it.

    Anyway, the subject vehicle is a 1987 Chrysler Fifth Avenue that I picked up on ebay for less than $400. 318 V8 with a Torqueflight automatic tranny, all the power options work, the A/C is cold and there are no tears in the leather. Maybe not the coolest car in the world, but when they stopped making them in 1989 it was the last rear drive passenger car Chrysler Corp made until the new 300C came out a couple of years ago. It was donated to M.A.D.D. and as it turns out, by the original owner!! I've had a chance to speak with her and she's given me the full background on the car, mechanical history, the fact that it was rarely garaged, and that it has the original paint (though the vinyl top was replaced 6 years ago). I bought it for a few reasons, one of which was to learn how to use the rotary buffer. Since this is original paint; it's dirty, it's badly swirled, there are quite a few bad water spots, and there is clear coat failure in places. It will need a repaint so I'm not worried if I screw something up. Still, I stayed away from the sharp body lines. I'm adventurous, not stupid.

    All I've done is wash and clay the whole car, then polish out half the hood. But, even 83 on the DA was hardly making a dent...er, difference, other than cleaning the paint a bit. The swirls did not budge. So, out came the rotary and 80 on a polishing pad. I started to see some results, but it was still very slow going. Just for grins I threw on a cutting pad and some 83. Even that took some work but now I was cooking!! I could see holograms show up pretty quickly at times too, which was interesting. Also interesting was how quickly they could be made to move, change or even go away. I still had to hit some areas a couple of times and I played with the machine speed a bit. I tried a few different grips and positions to better control the machine too. This is a very different animal than the DA, no doubt about it. All in all the results were very promising and I can't wait to get some more time to work on the rest of the car.

    So, on to the pictures!!


    The subject. Original silver paint from 1987......hard as nails and dirty, swirled, spotted, etc.


    This is the upper section of the driver's door. The mottled look is apparently dirt in the paint. The car was thoroughly washed and clayed, and when I played around a bit with the DA it really cleaned up this mottled look and brought out some additional shine. I couldn't capture a picture of the difference, but it was quite noticeable. In fact, it was so noticeable that my first reaction was "hey, this is going to be easy!" The reality though was that the DA was only helping get rid of the dirt, not the swirls.


    Two of my helpers. This is after the fact, which explains why there's actually a reflection!


    My other two helpers. L - Porter Cable 7428 Rotary, R - Porter Cable 7424 Dual Action Polisher


    This is the only really decent before/after shot I could capture (man, silver is hard to photograph!!) I taped off half the hood and got to work. This is after 2 or 3 passes of M83 on a cutting pad with the rotary, then a pass of M80 on a polishing pad with the DA. In the upper half you can obviously see the horrible swirls, but also a lot of water spotting. There are still some deeper pits and marks remaining even after my work on the paint, but the improvement is striking. There is actually some clarity in the reflection now and it just looks clean and bright. Still, not too shabby for my first ever attempt at using the rotary!

    I would be remiss if I didn't thank Richard (OctaneGuy) Paul (the other pc) and Andy (bmrfan) for their tips a day earlier. You guys were, as always, very informative. Thanks!
    Michael Stoops
    Senior Global Product & Training Specialist | Meguiar's Inc.

    Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

  • #2
    Re: My first stab at using a rotary. Loooong!!

    I am considering the Porter Cable 7428. Is there a case available as there is for the 7424?

    Comment


    • #3
      Re: My first stab at using a rotary. Loooong!!

      Good job!
      Is the 7428 heavy? I am looking at getting a rotory myself.
      Light colors are hatd to photograph I have white.
      MOL- Welcome to the world of real detailer's

      Comment


      • #4
        Re: My first stab at using a rotary. Loooong!!

        Nice write up.
        Is the 7428 heavy? I am looking at getting a rotory myself.
        Light colors are hatd to photograph I have white.
        yes its heavy. I used to have one! Its heavy on the horazontal panels never mind the vertical ones!
        Patrick Yu
        2003 Honda Accord
        2008 Honda Accord EX-L V6

        Comment


        • #5
          Re: My first stab at using a rotary. Loooong!!

          Yeah, I figured. I have also looked Makita which I keep going back to.
          Been saving my change to get it. Hope by Spring I will be there.
          MOL- Welcome to the world of real detailer's

          Comment


          • #6
            Re: My first stab at using a rotary. Loooong!!

            off topic but how long is the 9227? I know the 7428 is about a foot and a half, which makes it feel even heavier
            Patrick Yu
            2003 Honda Accord
            2008 Honda Accord EX-L V6

            Comment


            • #7
              Re: My first stab at using a rotary. Loooong!!

              It weighs 6.6 pounds 18.5" long according to the Makita website
              MOL- Welcome to the world of real detailer's

              Comment


              • #8
                Re: My first stab at using a rotary. Loooong!!

                I'm trying not to think about the weight, and since I don't plan on using this an awful lot - my other three cars are in good enough shape that the DA works just fine and I certainly don't do this for a living! - I don't really mind. Consider that I picked it up on ebay for $85 and I'm happier that my wallet is still heavy!

                I don't know if a case is available or not, sorry.
                Michael Stoops
                Senior Global Product & Training Specialist | Meguiar's Inc.

                Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

                Comment


                • #9
                  Re: My first stab at using a rotary. Loooong!!

                  Nice work Mike!

                  All I can say is "it's about time". Glad to see you venture into rotary territory. You've just added another great tool to your bag of tricks. There's nothing stopping you now!!!
                  -Bob
                  NXTti graduate, Meguiars Ford/SEMA Team

                  "All Corvette's are red, the rest are mistakes" - John Heinricy (Corvette Engineer)

                  Comment


                  • #10
                    Re: My first stab at using a rotary. Loooong!!

                    The 7428 weighs about the same as a DeWalt. You don’t hear too many DeWalt users complaining about the weight.

                    Originally posted by Mike-in-Orange View Post

                    My other two helpers. L - Porter Cable 7428 Rotary, R - Porter Cable 7424 Dual Action Polisher...
                    Didn’t you know that buffers are like clay bars? Once they touch the ground you need to throw them out!

                    I’ll come right over and dispose of those Porter-Cables for you.


                    PC.

                    Comment


                    • #11
                      Re: My first stab at using a rotary. Loooong!!

                      Originally posted by the other pc View Post
                      The 7428 weighs about the same as a DeWalt. You don’t hear too many DeWalt users complaining about the weight.

                      Didn’t you know that buffers are like clay bars? Once they touch the ground you need to throw them out!

                      I’ll come right over and dispose of those Porter-Cables for you.


                      PC.
                      Gee, thanks Paul, you're such a good guy. I was wondering if anyone was going to call me out on that. I almost listed the rules I broke today, rules I just didn't care about so much with this car. Among those are:
                      • I put the buffer on the ground and allowed the edge of the pad to touch the driveway, but just for that one picture
                      • I placed the bottles of chemical directly on the paint - the unbuffed areas anyway
                      • I worked in direct sunlight - well, sunlight at a steep angle


                      Normally I would never do any of those things, but today I had to compromise. Now, if I can just figure out how to pick up the bead of chemical without splattering it all over the place I'll be happy. I was constantly wiping up a spray pattern that would make a CSI officer proud!!
                      Michael Stoops
                      Senior Global Product & Training Specialist | Meguiar's Inc.

                      Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

                      Comment


                      • #12
                        Re: My first stab at using a rotary. Loooong!!

                        Hey Mike,

                        I am glad to see that you have jumped into the rotary end of the pool!

                        Trust me, once you get used to using the rotary, you will LOVE what it, the proper products and the correct technique can do for the paint!

                        Tim
                        Tim Lingor's Product Reviews

                        Comment


                        • #13
                          Re: My first stab at using a rotary. Loooong!!

                          Originally posted by the other pc View Post
                          The 7428 weighs about the same as a DeWalt. You don’t hear too many DeWalt users complaining about the weight.

                          PC.
                          :p its just because I'm short
                          Patrick Yu
                          2003 Honda Accord
                          2008 Honda Accord EX-L V6

                          Comment

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