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Thread: Undercarriage Refresh

Forum to discuss Austin Healey Sports Cars

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    Undercarriage Refresh

    Hello - I have a question. I'm going to have my Healey 100 painted this winter. It was an amateur restoration so there are some minor body issues I want taken care of and I want new paint. I'll also be getting a new interior.

    I have a lift and looking under the car it appears that it could use a bit of a refresh as well. I think proper standards is to have the underneath painted the same as the car, but I'm not going to rip the car apart so I'm looking for an easier solution. Wagner (https://www.wagnerspraytech.com/prod...tocoat-series/) has a sprayer that I could use, but I don't want it rubberized.. maybe just some black paint (the car is black)... though it wouldn't be glossy. I just want some protection and for it to look cleaner. There's also some 3M and Eastwood spray cans that are available. Thoughts? Suggestions?

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    Yoda
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    Re: Undercarriage Refresh

    The real issue will be getting things clean enough to retain paint; these cars' bottoms have been oil-soaked for over 60 years. I'd use Dawn dish soap, then go over with a volatile solvent that doesn't leave any residue, then scuff as much surface as you can. Sounds to me like a 'rattle can' finish would suffice, but you'd want a primer/sealer under it.

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    Re: Undercarriage Refresh

    Yeah my thoughts exactly. A lot of time trying to prep and mask/tape areas off.

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    Darth Vader steveg's Avatar
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    Re: Undercarriage Refresh

    When I painted my engine compartment, an old-motorcycle fan friend suggested using kerosene to remove the crud. It works great!

    Spray it on, work it with a bristle brush, then spray with Scrubbing Bubbles and wash off with a pressure washer. Might have to repeat.
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
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    Jedi Knight DerekJ's Avatar
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    Re: Undercarriage Refresh

    I would definitely recommend painting it body colour. I think the cars look odd if the floor or engine bays are a different colour to the car. Always makes me suspicious for some reason.

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    Luke Skywalker
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    Re: Undercarriage Refresh

    If you can get the grease and the major surface rust off the metal then I would go for two coats of Epoxy Mastic - at least that is what it is called on this side of the pond, it will be a semi gloss in finish and sticks like the proverbial, you will need some warmth to get the cross link working. Over here it comes in black and a sort of red and I think may be other colours now. As your car is black then it would be ideal IMO.



    Bob

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    Jedi Warrior
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    Re: Undercarriage Refresh

    What they said about clean! Then 2 part epoxy, or 2 part urethane, or POR-15.
    Dale

    BJ7 frame up restoration of "the car that would not be restored"; began Dec. 2005, est. complete 2023

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    Obi Wan
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    Re: Undercarriage Refresh

    If you end up using spray cans... Set them in hot water till they are warm. They will spray much better than at room temp.
    A wise man knows he knows not. Lao Tsu

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    Jedi Knight Healey Nut's Avatar
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    Re: Undercarriage Refresh

    Get it super clean and scuffed and then use small detail rollers and brushes and use paint on truck bed liner .
    "If it aint broke ....dont fix it "
    " Thats not an oil leak ..........its a special automatic British rustproofing system "
    Best Healey in show ABCD Ottawa 2013
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    Yoda HealeyRick's Avatar
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    Re: Undercarriage Refresh

    Once you get it clean, you're probably going to find at least surface rust that you're going to have to neutralize or eradicate before painting. You may be able to neutralize the rust and get some black color on it in one step with this: http://www.eastwood.com/eastwood-bla...over-rust.html
    Rick

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    Re: Undercarriage Refresh

    Thanks for all the input. I start on Friday!!

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    Great Pumpkin NutmegCT's Avatar
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    Re: Undercarriage Refresh

    Matt - how 'bout a photo or two?

    Tom M.
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    Re: Undercarriage Refresh

    Quote Originally Posted by NutmegCT View Post
    Matt - how 'bout a photo or two?

    Tom M.
    For sure. I'll photograph my steps and post my progress.

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    Darth Vader steveg's Avatar
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    Re: Undercarriage Refresh

    This brush-on Permatex product dries into a black primer. I used it on some suspension pieces. Used Eastwood Rust Encapsulating Primer spray on engine compartment and frame areas with surface rust. Search for this by Permatex 81775.

    screenshot.1073.jpg
    Steve Gerow
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    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
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    Yoda
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    Re: Undercarriage Refresh

    Total newbie question here - is body color the correct finish for the underside?

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    Obi Wan
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    Re: Undercarriage Refresh

    Yes it is!
    A wise man knows he knows not. Lao Tsu

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    Re: Undercarriage Refresh

    IMG_3136.jpgIMG_3137.jpgIMG_3139.jpgThe before pictures....

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    Obi Wan
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    Re: Undercarriage Refresh

    Frame looks great from here, nice clean crossmembers.
    A wise man knows he knows not. Lao Tsu

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    Darth Vader steveg's Avatar
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    Re: Undercarriage Refresh

    Quote Originally Posted by elrey View Post
    Frame looks great from here, nice clean crossmembers.
    Ditto. Wish mine looked that smooth!
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
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    Re: Undercarriage Refresh

    Hi All,

    As I understand, the correct color for the for all body metal (frame, engine compartment, interior) is the body color and in my case my Healey was always painted Old English White (OEW) with black upholstery. However, I was never happy with the OEW engine compartment in contrast to the metallic engine or how the white would appear between some seams of the black interior panels. Additionally, I never liked the look of the OEW frame or how dirty the under fender would look with normal driving.

    When deciding to refinish my car in the 1980s, I decided to retain OEW on all exterior panels but to paint frame, suspension and engine-compartment a standard Black semi-gloss Ford frame paint. This black shows off the green metallic of the engine much better while not showing off any oil drips. Additionally, the black paint of the cabin, frame, and suspension is, in my opinion, more fitting and highly compatible with my Healey's black interior as well as under-car components (including under fenders) and points up my wire wheels (chrome or silver painted) and Old English White body paint.

    100_1104.jpg 100_0266.jpg

    Although I don't have the perfect pictures to show my point, the first presents how the black wheel-well presents the wires and how the black exhaust and frame do not take away from the body line. Additionally, the second presents how the black frame and engine compartment present the engine and other components. Now imagine how the pictures would be presented if all was painted OEW.

    Yes, my preference and not original but, in my opinion, presents the original with a better contrast and is much easier to maintain.
    Ray(64BJ8P1)
    Last edited by RAC68; 01-02-2018 at 01:06 PM.

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