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#1
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Undercarriage Cleaning and Painting
Well here is part 1 of this post.
Today I started the process of removing 40 years of dirt, grime, and the original tar undercoating. I used a combination of Engine Gunk Degreaser, PB Blaster, and Diesel Fuel in a spray bottle to soak the underside of the car over night. Not sure which of those worked but the next day the hard tar undercoating was soft and started peeling right off with a paint scraper. I have several more days to go but this is a good start. Probably take about 3 weekends to get most of the gunk off. Then I will wipe it down with some mineral spirits to remove the degreaser, diesel, and any oily residue. And finally I will paint the frame black and find a nice red colored paint that matches the original oxide primer and repaint that. Here are some before pictures and after the first day of scraping pictures. Last edited by jtwoods4; 05-19-2013 at 01:25 PM. |
#2
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Sure is nice to see dirt,undercoating & overspray under there........
Cleaning undercoating off is a MUCKY job,but WAY better than welding in floorboards & replacement frame rails...
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Eye Candy......garage band? https://www.youtube.com/watch?v=QUPcHxHRx3s Go full screen & turn it UP! |
#3
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Did you just spray diesel fuel on the bottom of the car and let it sit over night? Would you be able to power wash it off without using a scraper ? I was gonna doing the same with my car to get it cleaned up.
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Jason 1968 lemans :In progress! 1970 Bonneville 455 HO convertible (survivor)sold 1969 firebird |
#4
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Looks great I would clean it and leave it alone. If you get a power washer with hot water those work very well. The plastic scrapers is great to use for the larger undercoating and to get the rest I would use the something like a DX 330
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#5
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EXACTLY!, maybe clear coat it , even a clear enamel in a can, and leave it
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#6
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Quote:
I used diesel the first go around but GUNK Heavy Duty Engine Degreaser works the best. |
#7
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PPG DPLF40 is a pretty good match to the factory red oxide.
Chris
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Like the sign says, "speed's just a question of money. How fast can you go? Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. Albert Einstein |
#8
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Great! Thank you! Where do I buy this stuff? I did a google search and it did not come up.
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#9
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Looks good. Nice progress.
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72 TA 4 speed 76 TA auto father/son project |
#10
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I ordered mine from TCP Global, but I found out later that my local paint shop had it in stock along with the activator. You need one can of the activator for one small can of the primer so don't forget to get one if you order from them like I did.
Chris
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Like the sign says, "speed's just a question of money. How fast can you go? Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. Albert Einstein |
#11
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If you like yours now, Eastwood sells 2 part clear now, sprayable, professional grade clear coating |
#12
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Bruce,
Your correct the red is 74 I was thinking of the catalyst when I wrote that those are 401 and 402. Thanks for the clarification. Chris
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Like the sign says, "speed's just a question of money. How fast can you go? Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. Albert Einstein |
#13
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I didnt use any scrapers on my cars. A pressure washer with hot water routed from the washing machine outlet worked great on its own. I then finished it off with a diesel soaked rag. Be careful with the scrapers, it leave gouges in the primer. Use plastic squeegies.
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The Following User Says Thank You to njsteve For This Useful Post: | ||
#14
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Well here are some pictures from day 3. Starting to get cleaner. Still messy as hell though.
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The Following User Says Thank You to jtwoods4 For This Useful Post: | ||
#15
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Quote:
X2 - and don't paint the bottom of that car once you get all the gunk off - it will look fine as is. |
#16
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Well, seems like that stuff did its job! Looks like you'll have a real nice underneath there.
(was going to say "nice bottom", but I usually reserve that comment for the ladies....)
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Regards, Leigh Pontiacs I’ve owned…. 1960 Laurentian 283 1963 Laurentian 283 1976 Trans Am 400 1977 Trans Am 400 1951 Chieftain Flat head 6 1967 Firebird 400 convertible 1967 Firebird 400 coupe 1979 Trans Am 403 1971 Formula 455 (clone) 1969 Firebird 350 1968 Firebird 428 manual. Sydney, Australia |
#17
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That brings back some memories
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chuck... 1973 455 TA (07A) |
#18
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Yup thats where I started. Now going on 7 years frame off resto. Your car looks pretty clean though. If it is rust free I would try to leave the original paint on the underbody.
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73 TA 468 5sp SS 700, 12 bolt moser 373, 4 wheel disk brakes. https://www.facebook.com/media/set/?...7567172&type=3 |
The Following User Says Thank You to niceta For This Useful Post: | ||
#19
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On my last rebuild (79 Camaro) I used easy off oven cleaner to get that old under seal off. It worked quite well.
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#20
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I used a heat gun on mine and scraped off as much as I could with plastic scrapers, which were upholstery tools from Harbor Freight. While still hot, I cleaned the residue off with wax and grease remover from O'Reilly Auto Parts. I went through a bunch of rags and it was a nasty job, but I'm really happy with the result. The red oxide looks as good as it did coming out of the factory. You can even see the blue over spray.
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Chris - 70 TA Ram Air III 4 Speed |
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