Hazy After Wetsand & Buff...

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Hazy After Wetsand & Buff...

Post by Dougie Murder on October 17th 2011, 8:30 pm

Hi.
I painted my car via HVLP gun an Valspar Tractor enamel Inspired by this thread.

http://www.thirdgen.org/techboard/body/546612-ultimate-budget-paint-job.html

It came out decent for a first timer..plus its a winter beater so im not looking for a glass finish.

I had some panels that came out with bad peel. Thought it was no big deal since everyone here has had success wetsanding and buffing...not me.

I wetsanded one spot with poor peel, using 1500.
Then using Mcguiars ultimate compound and my simonize 10" DA polisher, tried to get my gloss and color back.
It didnt work.


Should i have used 2000?
Is my buffer too slow?
Should I have "just left well enough alone"??

Im thinking i'll have to respray the whole panel...which sucks cuz its getting cold here and i doubt i'll have another warm day soon.

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Re: Hazy After Wetsand & Buff...

Post by 63Falconconvert on October 17th 2011, 9:48 pm

I'm not a big fan of a D/A polisher, it can't generate the heat needed to bring back a shine. If you used Valspar I'm guessing you used the hardener also. See if you can get your hands on a rotary buffer and a good pad, I bet you can get a great shine. Good luck and keep us posted.
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Re: Hazy After Wetsand & Buff...

Post by cac1967 on October 17th 2011, 10:07 pm

I agree, you need a rotary buffer, I'm think you may be using a waxing machine which turns way to slow to get result's quickly,and I would water sand the panel again with 1000, you still have quite a bit of peel in your pic,just take your time and get all that peel leveled, and look at getting or maybe borrow a rotory from a friend.by the way the ultimate compound is a great product. hope this may help,the guy on third gen used a rotary to cut and buff his car. I would use a wool pad on the rotary thumbs up
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Re: Hazy After Wetsand & Buff...

Post by 63Falconconvert on October 18th 2011, 8:19 am

I second the wool pad for the cut.....I like foam for polishing but you can't beat a good quality wool cut pad.
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Re: Hazy After Wetsand & Buff...

Post by Dougie Murder on October 18th 2011, 11:27 am

THx guys...I figured the polisher was spinning too slow.



Will temerature matter for using the compound? Its getting cold here and I'm doing this in a shack with no heat in my backyard. Laughing

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Re: Hazy After Wetsand & Buff...

Post by cac1967 on October 18th 2011, 8:55 pm

I don't think the temps would matter as long as your compound does not freeze, I've buffed cars in 35 degree weather with 3m heavy duty rubbing compound,now that's on base coat clearcoat and single stage acrylic enamel,I don't think that it would make a difference on oil based or alkyd enamel paint's,so buff till your heart's content,just remember that the cut and buff is a hard part of a paint job just like the prep before a paint job!!! Laughing
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Re: Hazy After Wetsand & Buff...

Post by 63Falconconvert on October 20th 2011, 8:29 am

The Dewalt is the one that I use. Have had it for 10 years now...awesome machine. Love the variable speed feature.

My second choice would be the Porter Cable.

I know a lot if guys on here buy the polisher from Harbor Freight, it's a cheapy but I hear it works great. But be a good choice without spending a whole lot of cash.

http://www.harborfreight.com/7-inch-electronic-polisher-66615.html
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Re: Hazy After Wetsand & Buff...

Post by Dougie Murder on October 20th 2011, 3:33 pm

Cool.
Canada doesnt have Harbor Freight but we have Princess Auto which is pretty much the same thing.

This looks the same as the HF polisher you posted...
http://www.princessauto.com/workshop/power-tools/corded/polisher-buffer/8016700-7-sander/polisher
But i cant tell if its a rotary unit or orbital.

I'm gonna go down there and see what I can find.

Thanks for your help!
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Re: Hazy After Wetsand & Buff...

Post by 63Falconconvert on October 20th 2011, 4:09 pm

That would be a rotory buffer. They all come out of the same crappy sweat shop in China......
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Re: Hazy After Wetsand & Buff...

Post by cac1967 on October 20th 2011, 7:46 pm

I have the one from harbor freight, I have had it for about 7 year's work's awesome!!!! I second the dewalt because you can adjust the speed, I bought the harbor freight sander polisher to replace the craftsman model that my dadgave me when Iwas 17, it was about 15 year's old when he gave it to me!!! still works great for cleaning metal or removing paint, just turns alot slower and make's loud squeaking noise, I love my harbor freight model!!!! I am a member of autogeek online and the porter cable get's great review's for waxing and polishing!!! my username on there is cacsfalcon thumbs up
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Re: Hazy After Wetsand & Buff...

Post by Dougie Murder on October 30th 2011, 11:27 pm

ALRIGHT!!

By a stroke of luck I came across a cheap-o sander/buffer (mentioned above)
Told the maintenance guy at work about the trouble i was having finding one and he told me he had bought one and never used it!!! He gave to me for free as he had no use for it!

I couldnt find a wool pad so i just used the hair one the polisher came with.
I had great results so far.
...But gawddamnit im sick of sanding orange peel!!!!!!!!

I tried doing a light sand since this IS my winter beater...but the peel was just too bad and the sandmarks showed thru real bad.

I'll start a project thread to document all the progress i've had.

Thx to all for your advice.





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Re: Hazy After Wetsand & Buff...

Post by cac1967 on October 31st 2011, 7:27 pm

Remember a good paint job is hard work,just sand one panel at a time then cut and buff,take your time and don't get discouraged!!!! A good wetsand and buff job is not easy,I spent a week on my mustang ,thought my arm's would fall off, but the end result was worth it!!!!! thumbs up
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