Porter Cable's ARE powerful.

heckhole

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I would like to create a post to show and explain just how powerful a PC can be. I've read a lot, and see a lot of videos where the capabilities of a PC are said to be limited.

Direct drive DA's are constantly reviewed as the cats behind and steps above the PC. Rotary polishers are the end all, be all to correction. All with their drawbacks.

However, between my PC and DeWalt, I've yet to see why I would need to upgrade to direct drive DA.

In fact, I prefer my PC in almost all instances, except for wet sanding 'fingers' and very large vehicles (full size truck hoods, large roofs, etc).

I began detailing from home in 2005. I began on my 3 personal vehicles and slowly progressed to friends, family and then to outside customers. I have to admit years ago, I did struggle at times to remove severe defects like scratches that had white residue from the severe damage to the clear, extreme swirls from heavy abuse and poor washing, etc. I could always make the finished product look great for the customer, but I felt like I could've done better. I would remove 99% of the swirls and struggle a bit with the hidden scratches beneath those swirls. Back then I had not discovered my near perfect combination of pads & products. I primarily used Optimum products and still produced great results, but I honestly struggled with that stubborn breed of scratches - the kind every detailer shakes their head at after the initial cut & inspection.

In recent years I've taken my work into a family owned used car dealership and the work load, available working time & need for top notch results forced me into experimenting with pad brands & polish combinations.

Recently I have ventured into my own, dedicated detailing shop with a partner and have seemingly found a combination that has worked well for me, except for some of the vehicles that come through with ceramic clear. During the dealership days I jumped onto the rotary, as I felt I could shave some time off my work with the almighty more powerful machine. Yes, at times it's taken an 8hr vehicle and turned it into a 5-6hr job, primarily on the mammoth SUV'S and crew cab trucks which I can't ever seem to get away from at times in my 4 season location. But the rotary hasn't always been the answer, and I always finish out the vehicle with my PC. I was insistent on finding a solution to make the PC my go to machine and make it work effectively.

My most successful cutting combination has been Hex Logic Yellow with Meguiars 105. The first time I attempted this combination I giggled like a school boy at how quickly even one completed section application removed 95% of the swirls and greatly diminished scratches. Yes, you think of yellow pads as a last resort, as it's very aggresive. It is, I'm not sure how often I'd use a yellow pad with a direct drive, and I'd likely never attach a yellow pad to a rotary. I suppose it wouldn't take much working time to leave the car with very little remaining clear coat. But with the 'underpowered' PC, I do not fear this.

I recently attacked a red F250 King Ranch with 105,000 miles. It was a dealer truck headed to auction. The paint was swirled worse than I've ever seen and had turned into a hazy brown/bronze color. I figured I would shoot for an Orange pad on my Rotary with M105. I got results, quickly. Still had some random RIDS in a few areas in a 2x2 area that required another complete work. I then tossed my PC and hex logic yellow pad at it with M105. Half way through my initial section pass, curiosity killed the cat and I decided to wipe the area clean. Bam. Swirl free, scratch free. That initial cut had removed all swirls and removed all RIDS, the only thing left behind were very deep scratches in the clear that weren't worth jeopardizing the life span of the remaining clear.

Now I must admit, I have not done a lot of experimenting with various pad combinations & polishes with my DeWalt, but I can say I've managed to find a great combination with my PC that has allowed me to keep utilizing my 'entry level' machine that can remove horrific defects with less work, less finish & far less worry of burning through.

I'm sure the Flex & more powerful DA's are great. I haven't had the pleasure of using them, but I am perfectly happy with my PC & product combination. Maybe when I have a few extra bucks I will purchase a direct drive DA and see the difference myself. For now, I'll stick with my workhorse PC.
 
Glad to see you like your PC7424XP. I have one and that was my first DA. As for performance yes you are right it is a little beast. If you know how to master the technique of using it; it is fun. I have the Flex 3401 and the Flex is a far more powerful DA.

I use my Flex for most of the big stuff, however, still use the PC for many other duties. Recently my Flex had a switch die on me right in the middle of a detail. My PC took over with flying colors. In fact, it was a pleasure to use. It is lighter and more quieter than the Flex. Having both the Flex and the PC is an awesome combo.

Since you are happy with the PC that is awesome!!
 
I've never driven a Flex 3401. But, from being here for over 3 years, and from my experiences with the PC DA, the PC is I believe a more versatile tool. I can swap down to tiny backing plates and pads with the PC, which you cannot do with the Flex.

I understand the professional realm with the flex, a workhorse tool that can save mucho time.

As a hobbyist, that saved time is not a huge consideration-factor for me, the PC is quite adequate for me and does the job.
 
The porter cable is a great machine however................

If you love that porter cable

The flex, rupes, boss, even the griots garage 6 inch all trump the PC.

Why the yellow pad is working is what the machine is lacking in power you are using 2 heavy hitters. In 105 and yellow hex logic.

What you have to understand is with any of the machines I listed above especially the rupes 21 boss g21 or flex.

You can get those same results with polish and a polishing pad. The machine does the work for you.

I am a pro detailed i run and own my own shop outside Chicago. I used the PC until then.

And if you have your own shop you would be crazy not to get any of those machines.

They work faster , they do the work for you, and you don't have to be that aggressive.

I couldn't imagine doing all my corrections with just the PC as they say time is money.

The PC can do anything those machines do it will just take 3x longer.

Once you try one of those machines you will never go back.

I still use my PC almost daily. However night and day in comparison performance wise.

And as a pro you need to be time savy
 
I've never driven a Flex 3401. But, from being here for over 3 years, and from my experiences with the PC DA, the PC is I believe a more versatile tool. I can swap down to tiny backing plates and pads with the PC, which you cannot do with the Flex.

I understand the professional realm with the flex, a workhorse tool that can save mucho time.

As a hobbyist, that saved time is not a huge consideration-factor for me, the PC is quite adequate for me and does the job.

I have all the machines and there not all a cure all as they all make a great team.

My Boss 21 I prefer over my flex its easier on my body I don't have to put as much pressure and it feels like your driving a Cadillac. However on concave tight areas this machine struggles.

And this is where the flex shines as it won't stop spinning I can use a 4.5 inch pad and get the job done.

And those tiny areas that the flex can get too I use the PC as a 3 inch pad.

So all of those machines make a great team and where one lacks in the other one picks up the load.

I agree with you tho as a hobbyist all those machine are overkill however they are nothing short of amazing .
 
I personally love the Meguiars MF pads on my PC. The thinner pads help, as it is less mass to spin, plus the cutting power is great when paired with a compound. Their D300 is great, but I recently tried WG Uber Compound with it and was surprised how beautifully it polished the paint - and quickly!

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Very cool to see others having solid success with their PC.

Only about a month ago did I start having issues with my PC XP, she may be getting a touch tired but so far with that pad and compound combo are successful.

I never has rotation issues with the 5.5 pads. I have with larger pads though.

Is there a direct drive unit the size of the PC, or something comparable in size?

I am open to trying a new machine, but I don't like that the Flex is about the same size as a rotary.
 
I guess it's because I've spent so much time with it, the PC 7424xp work really well for me too.

Easy to use, takes all types of pads/compounds, just grab and go. If I can get a pad to spin, I can correct paint.

I like the Hex pads too. The green one is my go to cutting pad. I did a BMW yesterday that even microfiber had a hard time with. I installed my trusty green hex pad, dressed it with M100, applied moderate pressure, and it eviscerated the paint imperfections.

"Whatever works" as they say..
 
Not to mention that I removed 1000 grit with the PC using M105 on a Rupes microfiber cutting pad. The pics are in my profile gallery.
 
I've had good success with MF pads. The only reason I've not used them on a regular basis has been maintenance. In my experience they are not easy to quickly clean.

I am 100% open to trying another DA.

The only other DA I have experience with is a Shurhold, which has solid cutting ability with a yellow pad and M105, but it does take longer. However I did like finishing down with it as its an incredibly smooth machine.
 
I thought only women loved a vibrating machine.
 
if you want to purchase another PC style DA then get the GG6, it's like the PC/XP on steroids. everything about it is better...

:whs: I went from a PC to a GG6 and could tell quite a big difference.... The gg6 was more powerful, smoother, less vibration and worked all around better then the PC did IMO.
 
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