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Thread: Rust repair requires repaint, please give opinions/suggestions

  1. #1
    Join Date
    Apr 2010
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    Default Rust repair requires repaint, please give opinions/suggestions

    Hi all.

    My 98 has progressed far enough that is needs some touching up to keep it from turning into a rust bucket in a couple years.

    No holes or such, but rusties are taking hold and it's time to tackle them before it gets worse. Mostly stone chip damage at this point. Biggest offender can be seen here on the doors:



    Through the paint, just through the e-coat and starting in on the parent metal.

    The bumpers are also breaking out on the chrome where I altered the front and rear bumper.

    Thing is, I can't swing a full paint job and the stock color is hard to get a hold of here and super expensive. I ordered two small cans to touch up the roof where a snow goose hit it (don't ask...) and it cost me 14 bucks a can...

    Essentially, they want your first born son and the RH "dangler" that produced him for a couple 500g cans......it would be cheaper to paint the whole truck than use rattle cans to touch up the bottom (the bedsides need some attention also)

    So I'm tossing around ideas on how to fix up the rusties and give it a nice protective coat that doesn't look too cheap.

    Here's one that is just a quick and dirty photochop:





    Basically, a darker grey on the the bottom (automotive style paint) and color match the bumpers. MOre of a metalic type paint than the simple photoshop rendering. Then the chrome strip in the rub strip get's a splash of red to tie it together better. That red is kinda bright, it will be closer to the red you can see in the bedside "4X4" decal.

    I plan to keep the rub strip, it sees heavy "combat engagements" daily around here. People just don't care about others property anymore.

    Thoughts, opinions or better ideas anyone?
    Last edited by greatwhite; 06-15-2013 at 09:06.
    1998 k2500

  2. #2
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    Default

    Maybe this will help, variation on these themes:











    Last edited by greatwhite; 06-15-2013 at 10:10.
    1998 k2500

  3. #3
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    Default

    How about a bed liner coating (Line-X, Rhino, etc.) on the lower? I've seen a few with this. They aren't shiny like paint, but neither is the paint after a few years.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  4. #4
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    Yea, X2.... you could go down to the metal getting the rust gone then the bed liner stuff....
    1993 Chevy K3500

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  5. #5
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    Default

    Just what I was going to recommend with using the bedliner. I've seen a number of people do it. Here is a photo I found on the web.
    Attached Images Attached Images
    '94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 221K
    '93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 187K
    '85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild)
    Diesel Page Member #2423

  6. #6
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    Default

    Good suggestions, but I'm not really hot on the bedliner look.
    1998 k2500

  7. #7
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    I'd take the door panels off and sand the exterior to bare metal, then treat both inside and outside with Ospho or other phosphoric acid primer (which chemically turns the rust to inert phosphate salts). Use zinc rich primer to prime. I agree with the bedliner spray.
    '94 Barth 28' Breakaway M/H ("StaRV II") diesel pusher: Spartan chassis, aluminum birdcage construction. Peninsular/AMG 6.5L TD (230HP), 18:1, Phazer, non-wastgated turbo, hi-pop injectors, 4L80E (Sun Coast TC & rebuild, M-H Pan), Dana 80 (M-H Cover), Fluidampr, EGT, trans temp, boost gage. Honda EV-4010 gaso genset, furnace, roof air, stove, microwave/convection, 2-dr. 3-way reefer. KVH R5SL Satellite. Cruises 2, sleeps 4, carries 6, and parties 8 (parties 12 - tested).

    Stand-ins are an '02 Cadillac Escalade AWD 6.0L and an '06 Toyota Sienna Limited.

  8. #8
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    Quote Originally Posted by rustyk View Post
    I'd take the door panels off and sand the exterior to bare metal, then treat both inside and outside with Ospho or other phosphoric acid primer (which chemically turns the rust to inert phosphate salts). Use zinc rich primer to prime. I agree with the bedliner spray.
    Thanks for the advice, but I've got lots of experience dealing with rusty body panels.

    Not using bedliner.

    I don't want to go that way.

    I'm really just looking for color opinions or suggestions.

    Cheers
    1998 k2500

  9. #9
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    Pretty sure this will be the final form once the body and paint are done flyin:



    1998 k2500

  10. #10
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    Quote Originally Posted by greatwhite View Post
    Pretty sure this will be the final form once the body and paint are done flyin:



    Looks almost like bed liner
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  11. #11
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    Howdy
    IMHO....the two tone stuff looks great with out any red or other accents.
    Also....in Minnesota we have this wonderfull road salt that returns our vehicles to mother earth in short order. What I have seen with your model truck is that the bottom edge door rust is not normally due to the road chips. There is a rubber seal on the bottom edge of the door, this seals the salt and raod scrum into the bottom crimp edge of the door. It also seals out most attmepts at washing out the salt. By the time the door look like yours the rust has infiltrated into the weld/crimp seam on the bottom edge and really is impossible to get out. kida like the cab corners and box fenders. Once we start to see the rust it is normally too late.
    Good luck!
    1996 Chvy 3500 CCDWLB 6.5 Heathed, NO vac, marine injctrs, ARB bumper, BIG pipe, 3" lift, bright lights, bypass oil system.
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  12. #12
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    Done:



    Next on the appearance agenda will be some PY0 rims and paint for the topper.

    Last edited by greatwhite; 07-21-2013 at 03:01.
    1998 k2500

  13. #13
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    granville Vt USA
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    Default rust repair

    I have done a lot of body work in my time. I am curently doing some repair work to my 84 blazer. Vermont roads are hell on a rig in the winter. I found this stuff called P O R. You should be able to pick it up at any parts store. Not cheep but works awsome. You aply with a brush do not try to spay this stuff. And make sure to ware gloves this stuff dosnt wash off. Took over a month to ware off my hands. Simply take a brush and aply por to the rust. When it drys the rust will never bother you again. If you don't stop the rust and only cover it up. It will keep eating away at your rig. this stuff really works it will turn rusty metal back to steel.

  14. #14
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    Found rims and installed:



    Like it!

    Finishes the look.

    Best looking truck rims GM ever produced IMHO.

    1998 k2500

  15. #15
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    Looks good!

    I got a set of those rims and tires off a good craigslist deal. Now I have to work on getting the rest of the truck looking as good as the rims!
    '94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 221K
    '93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 187K
    '85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild)
    Diesel Page Member #2423

  16. #16
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    I think those rims are perfect on that generation of trucks. Love the paint too.
    2012 Chevy 2500HD ECSB, 6.0L gas, auto, 4x4, LT
    2003 F450, 7.3L PSD, 6 spd stick, 2wd, dump truck
    1983 GMC K2500 pickup - working on a Cummins 5.9L swap
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