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Old 04-21-2011, 08:00 AM
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is this legit? vinegar for metal prep.

is this legit? vinegar for metal prep.

http://www.youtube.com/watch?v=Jqff_...&feature=feedu

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Old 04-21-2011, 08:16 AM
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it is a light acid, but the water content will make it flash rust right back
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Old 04-21-2011, 08:45 AM
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Shade tree deal is what that is..

Sam
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I have tried most all of it and now do what is known to work..
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Old 04-21-2011, 10:06 AM
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"my friend Pete" does that. Can't say for sure but it does discolor the metal like metal prep if that counts for anything.
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Old 04-21-2011, 10:26 AM
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that guy is way out there

what a freak,lol!!!!!!!!!!
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Old 04-21-2011, 10:57 AM
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Quote:
Originally Posted by Hotbo
that guy is way out there

what a freak,lol!!!!!!!!!!
hahaha. He's calmed down a bit. I recall a stage where he was just GOING OFF on everybody, even a 10 year old kid. I don't watch him for tech tips though I watch him for entertainment. Total hack but a good watch when he's screaming and yelling.
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Old 04-21-2011, 01:32 PM
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That guy is a pile of crap, no way would I take advice to heart when his shop looks like that and he acts that way.
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Old 04-21-2011, 01:48 PM
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I gotta admit, I learned patch panels from him but after like two weeks I learned a better way. hahahaha. I'm still new to the trade so I find it hard to say how I really feel about his work but I still have an appreciation for him cause I did learn a few things early on from him, but once I figured it out his deal I just watched for entertainment, but he can think otherwise-lol

Gulwinginn is good and I also like jamesfreddys.
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Old 04-21-2011, 02:22 PM
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You should see his video on making bondo from flour and corn syrup.

Brian
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Old 04-21-2011, 02:44 PM
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Plastic honey and old bondo dust?

I guess I'm gullible...got a link?
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Old 04-21-2011, 02:47 PM
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Like said, vinegar is a mild acid......Why would someone chance their paint job on it?

I think that video is a "Red Green" takeoff........
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Old 04-21-2011, 02:55 PM
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Quote:
Originally Posted by MARTINSR
You should see his video on making bondo from flour and corn syrup.
Brian
My car turned out great with the flour/corn syrup body filler.

Only trouble was was when I parked it on my Dad's farm and
the cows ate it....

Vinegar works though; it's a form of acetic acid and is milder
than phosphoric. It's great for small parts, just submerge them
in a pan of vinegar for a few days to remove rust. Works on
nuts and bolts, brackets, etc.
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Old 04-21-2011, 04:00 PM
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Acetic acid is a decent coolant for drilling Stainless Steel
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Old 04-21-2011, 04:32 PM
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Oops! I double posted.
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Old 04-21-2011, 04:33 PM
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The only thing that concerns me is that one of the principles of metal prep is that...

phosphoric acid changes iron oxide (rust) ...which is an onging process, into iron phosphate... which is a dead gray material that just lays there and never will cause a problem. That is why I never worry about rust that I could not dig completely out of the pits and scatches.

Vinegar does not contain that. If it is cheaper... and just as good... why don't the paint supply companies use that in metal prep, instead of phosphoric acid????? :-( Besides... metal prep may be the cheapest paint product in my shop! Why would I change it, and risk future problems???

No thanks.
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