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#1251 | |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Quote:
Ground out the old bondo and pulled out the dent a little with my stud puller, hit it with a little acid etch then started applying new mud yesterday, got it roughed in. Naturally I forgot to snap a pic again. 🙄
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1252 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,929
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Re: Rat repair.
No worries! Ha, I love my big swamp cooler, been camped out in front of it all summer!
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#1253 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Late start after work, realized I still had to go get the EX-3 extractor, more kroil and heat, 3 times no budging it, drilled it up a bit more, repeat, nope! Drill up to 1/4", more heat and oil, nope! Brought out the chisel, center punch and a sharpened drill bit and started chipping away at it, tried to start a tap got a little ways then because the hole was off a little on the back side it dislodged it a little so I tapped it out from the back side then ran the tap through it, figure I got about 75% of the original thread remaining. That only took me 2.5 hours including the trip to the hardware store.
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1254 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Just more bondo and sanding, one of them days it seems that ya just get nowhere but ya know its better than yesterday.
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#1255 |
Senior Member
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Location: Tomball, Texas
Posts: 1,592
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Re: Rat repair.
I suspect most of us following have "been there, done that" and had those days. Keep up the good work.
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Rick 78 GMC K15 SWB, 350/NV4500/NP205/4.10s Project Hazel 71 GMC C25 350/TH400 - Project Angie 59 Chevy SWB Stepside (next in line? Not sure now ![]() 2001 GMC Sierra K2500 |
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#1256 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Well this is where I'm at, ran out of high build and self etching primer but I think the outside of the fender is almost done. Per the area in front and below the marker light, I seem to have added considerably more mud than what was on it, but it just seemed like it needed it.
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1257 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
A little advice please, I should have probably sealed the fender in primer right after I sanded the paint off the fender because I got sidetracked and progress stopped, now my finger oils have created some surface rust, what's the best way to remove it? Don't want to over sand, should I wipe it with something that will eat the surface rust like the Gem rust killer I have then a light skuff with a da?
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1258 |
Registered User
Join Date: Aug 2011
Location: new york, ny
Posts: 1,063
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Re: Rat repair.
Hey Mike, looks like you are making some good progress. It's looking good.
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___________________________________________ Darien 1971 C10 LWB http://67-72chevytrucks.com/vboard/s...d.php?t=502964 |
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#1259 | |
Senior Member
![]() Join Date: Mar 2012
Location: Kansas City, MO
Posts: 2,011
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Re: Rat repair.
Quote:
GEM Rust Killer is a "converter" (phosphoric acid + iron oxide = iron phosphate) which is a great surface prep for powder coating. If you plan to epoxy primer over it, you may want to first treat it with a mildly acidic solution like vinegar and water or 20% HCl. At least that's what some epoxy manufacturers recommend. Others say just squirt the epoxy right over the iron phosphate. At a minimum, if you treat it with the GEM, I'd scrub it good with the prep solvent I described above before applying any primer. And as I mentioned, it needs plenty of time to dry thoroughly.
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#1260 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Ok , nice break in the heatwave/forest fire smoke wave from Canada that we have been dealing with for about 3 weeks, figured I best get a little more done, sanded the front bondo coat down a little as I thought it was a bit excessive, made the 3 parts Water/Acetone/Denatured Alcohol and scrubbed off the surface rust, grabbed my DA sander and gave the exposed metal a quick skuff, then a light hand skuff on the bondo areas, gave it a good wipe down and shot 2 coats of K2 on the outside. Will let it cure for a bit before I do the inside. Yes the pic is upside down, no time to download to my computer and edit it. 😁
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1261 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,929
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Re: Rat repair.
Nice job on the fender, looks great!
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#1262 |
Registered User
Join Date: Aug 2011
Location: new york, ny
Posts: 1,063
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Re: Rat repair.
The fender looks really good. You are making great progress.
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___________________________________________ Darien 1971 C10 LWB http://67-72chevytrucks.com/vboard/s...d.php?t=502964 |
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#1263 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
So I do seem to approach things a little backwards sometimes, I probably should have prepped and primed the inside first, it was just a little messy! The driver fender wasn't near as bad as this one so I didn't prep or prime the inner part at all but this side needs all the primer and paint it can get. Spent today prepping, masking, touch up sanding and wiping the inside with alcohol, then Mineral spirits, then hung it up, will give it a final wipe down with wax and grease remover tomorrow before I prime it. ( and again the pic needs to be rotated, it's hanging upside down ).
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#1264 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Got the inside primered about an hour ago, maybe 2? Was sitting here thinking how nice it would be if I could just mix up some color and top coat it without any prep within a certain timeframe, is this a pipe dream?
This is PPG DP50lf grey primer and DP402lf catalyst. Top coat is DCC single stage with DT reducer and DCX61 hardener, ratio 4:2:1 This is the pdf for the top coat. http://www.myrv10.com/N104CD/paint/p-168.pdf
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1265 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Well should have known, hang a part upside down in a cramped booth and your going to miss an area..... Sanded, prepped and masked off the area, will hit it tomorrow with the last of my Qt of primer, Also removed and replaced the air filters, I can feel the air flow much better now ..
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#1266 | |
Senior Member
![]() Join Date: Mar 2012
Location: Kansas City, MO
Posts: 2,011
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Re: Rat repair.
Quote:
That said, my "opinion" is that you should always final block any primer before applying a color topcoat. I no longer have access to a clean environment for painting, so a few dust nibs almost always find their way into my work. Also, you have to be a top notch painter to lay down heavy primers without some orange peel to the surface. I find it best to final sand the surface with 500-600 grit paper before applying the color coat... whether single stage or BC/CC. Just my $.02 worth.
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#1267 | |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Quote:
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1268 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
So I guess I learned something today, I have been sanding the primer with the black sand paper and mentioned earlier how hard the primer is to sand, after about an hour and a half of fighting it today I stopped and asked myself if anything else would work better, duh, my roll of body work sandpaper cut the primer way better, donno why I grabbed that black stuff to begin with.
So have the inside of the fender ready to apply color, also working this weekend so won't get a whole bunch of stuff done.
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1269 | |
Senior Member
![]() Join Date: Mar 2012
Location: Kansas City, MO
Posts: 2,011
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Re: Rat repair.
Quote:
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#1270 | |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Quote:
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1271 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Put down a couple coats of color tonight, of course I cant spray into hidden areas so I don't know the best way to protect it if primer isn't enough, then again I didn't get the primer in there 100% ether,, guess use a brush? Humm, maybe I should have done that before I sprayed color.. LOL!
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1272 |
Senior Member
![]() Join Date: Apr 2013
Location: Danvers Minnesota
Posts: 967
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Re: Rat repair.
Maybe tape off and spray with undercoating.
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1972 K10 SWB wife's driver 1967 Pontiac GTO Big Bird - 1972 Longhorn K30 http://67-72chevytrucks.com/vboard/s...d.php?t=753294 |
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#1273 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Friday I took a day off and got a little work done. Mounted the passanger fender loosely to get it outta the way.
Got some of the black parts from the truck that needed blasting done and primed and painted, Battery box and a few other parts, the corner pieces that attach the radiator support to the fenders, and some of these odd ball bolts. On the bolts i'm wanting to know if there are replacements? these have the super thick cupped washers on them. Kinda wish I had bought a black anodize kit. If I remember correctly the big washer one goes on the inner fender well(wish I had a pic handy) One I think go's from the lower fender through the lower A pillar, the other I am not sure where, any ideas appreciated please. ![]() Passenger door, the front skin only has one place that needs a patch and only about maybe 2" square, the rest of the skin only has some surface rust, but as usual the seam area is a concern, I have sanded the entire area down although the pic's don't show it, I'm thinking I would be well advised to spot drill some welds and peel the seam back and treat with rust killer rather than cut the lower part of the skin off this time?
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1274 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Well crap I didn't think of this, I have a right angle drill motor but no way to get the proper angle, I do have a .125 extension drill bit, I could center punch and drill through the skin and then use a spotweld drill and go through from the skin side then spot weld all the holes but I think as side from tha added work I the heat could play a little havoc on the skin.
I could use a cutoff wheel and hit the spots that way then patch in some material later. Or just do the small skin patch and use the GEM rust killer both from inside and out and hope it creeps in to all the nooks and crannies . This is where I wish I had more experience!
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#1275 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Rat repair.
Grrrrrrr.. I know, get the rust out, least by looking at the inside of the door the surface rust is only up a couple inches from the bottom.
Don't want to have the skin cave in like On the drivers door, if I recall correctly it got worse the higher I cut (about 8" from the bottom on the drivers door after 3 cuts). I can keep this one down low so it should have a minimal cave in. Hopefully, if I remember right.
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