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Thread: Finishing the Brass Trunions

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    Jedi Trainee rlandrum's Avatar
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    Finishing the Brass Trunions

    The TR3A has brass trunions which attach to the lower front A-arms. We painted ours with KBS, but realized that the paint would not stick.

    I've removed the paint from one, and I'm planning to do the other tonight.

    Should I scuff and clear coat or wax the trunions once they're down to bare brass to keep them from tarnishing, or is it generally accepted that they tarnish, and there's nothing anyone can do about it?

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    Obi Wan TR6oldtimer's Avatar
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    Re: Finishing the Brass Trunions

    If you really want to do this, have them powder coated with clear.
    Ray

    A man is not old until regrets take the place of dreams.
    1973 TR6 sort of Mallard Blue in restoration

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    Yoda PeterK's Avatar
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    Re: Finishing the Brass Trunions

    It is generally accepted to leave them au natural.
    PeterK
    1958 TR3A 1966 TR4A both HVDA

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    Great Pumpkin DrEntropy's Avatar
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    Re: Finishing the Brass Trunions

    They're low enuff to terra firma they'll get grotty quickly anyhow. And I believe they're bronze, BTW.
    '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2
    '78 Alfa Romeo Spider-undergoing surgery: O=\*/=O
    '84 300D Turbo-"Diesela"-Now my Daily: Oo|≣|oO
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  5. #5
    Tinster
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    Re: Finishing the Brass Trunions

    Quote Originally Posted by DrEntropy
    They're low enuff to terra firma they'll get grotty quickly anyhow. And I believe they're bronze, BTW.
    I'm with leavin' them au natural. Doc got me curious
    so here is a photo of my 100% rebuilt, powder coated,
    all new fasteners, gleaming shiny trunnions -
    front suspension...............

    after 6 months and only 1,250 miles driven. "grotty"

    Don't waste yer effort on the polishin'- my opinion

    d


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    Jedi Hopeful CCURTISS's Avatar
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    Re: Finishing the Brass Trunions

    Depending on what color you want them you could try to paint them some POR15 which comes in black, silver, gray and clear as I recall, that stuff seems to stick to anything that I have painted so far.
    Curt
    Brentwood, Tn
    1947 MGTC -
    1955 MGTF 1500 -
    1957 TR3 -


  7. #7
    Tinster
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    Re: Finishing the Brass Trunions

    5:30 PM Island time- AST

    I think I'll go drive my grotty trunnions down the coastal
    highway and observe the XX large surf. 'Probly stop in at the
    Caracol biker bar for a cold one with the Mrs.

    I drive
    I drive

    Sometimes, I drive : my Six



    d

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    Jedi Trainee rlandrum's Avatar
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    Re: Finishing the Brass Trunions

    Bronze? Really? Wow. I'll leave it bare then.

    The way the original had tarnished, I figured brass, which really isn't that far off.

  9. #9
    Great Pumpkin DrEntropy's Avatar
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    Re: Finishing the Brass Trunions

    Brass'd be ~too~ soft, too brittle, IMO.

    Someone with a spectroscopic analysis capability would be more authoratative tho.
    '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2
    '78 Alfa Romeo Spider-undergoing surgery: O=\*/=O
    '84 300D Turbo-"Diesela"-Now my Daily: Oo|≣|oO
    '02 Toyota Camry- SWMBO's 'new-to-her' Daily. <sigh>
    Chaos & Mayhem PTY, LTD..C.I.O. & Floor Sweepervisor

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    Jedi Knight AweMan's Avatar
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    Re: Finishing the Brass Trunions

    Here
    is the scoop on Bronze and corrosion. And a small mention about Brass verses Bronze. For anyone interested.

  11. #11
    Obi Wan Tinkerman's Avatar
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    Re: Finishing the Brass Trunions

    Yep Bronze. Before I finished assembling mine I sprayed them with a coat of clear finish. Won't last when I start driving it but at least it looks good now. If you use it as a regular daily driver forget about the looks. Just power wash the undersides on a regular basis.

    Tinkerman
    Dick LeClair
    Mid Tennessee
    1960 TR 3A

    If you can't fix it with a hammer, you've got an electrical problem!

    &quot;ILLIGITIMI NON CARBORENDUM&quot;

  12. #12
    Obi Wan Tinkerman's Avatar
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    Re: Finishing the Brass Trunions

    Tinster you must of had a cow when you saw what happened to your beautiful powder coated parts! Maybe the original builders understood what the raveges of road use would do and thats why they left many of those parts the original finish.
    I feel for you, those parts were looking great when you PC'd them.

    Tinkerman
    Dick LeClair
    Mid Tennessee
    1960 TR 3A

    If you can't fix it with a hammer, you've got an electrical problem!

    &quot;ILLIGITIMI NON CARBORENDUM&quot;

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    Great Pumpkin Brosky's Avatar
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    Re: Finishing the Brass Trunions

    The good thing about powder coating chassis parts is that a power washer and some soap will clean everything like new in a very short time frame, without the finish peeling off as paint can sometimes do if not stripped to bare metal first and then baked on.
    Paul Rego
    S.E. MASS - USA
    1974 TR6 Mimosa &amp; Chestnut
    Original Owner / Non Original Car
    1980 TR8 Lava Red Pearl / Tan
    New Owner / Non Original Car

    My TR6 Resto-Mod Project

  14. #14
    Tinster
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    Re: Finishing the Brass Trunions

    Quote Originally Posted by Tinkerman
    Tinster you must of had a cow when you saw what happened to your beautiful powder coated parts! Maybe the original builders understood what the raveges of road use would do and thats why they left many of those parts the original finish.
    I feel for you, those parts were looking great when you PC'd them.

    Tinkerman
    Tinkerman,

    I was surprised; given how few miles I've driven
    and how many hours (weeks) of labor I put into the suspension
    rebuild.

    d

  15. #15
    Great Pumpkin Brosky's Avatar
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    Re: Finishing the Brass Trunions

    Let's get crackin' with some soap and water under there Dale!

    It seems that with a little rain and below 80 degree weather and you turn into a slug with the maintenance work.

    C'mon, chop, chop.......
    Paul Rego
    S.E. MASS - USA
    1974 TR6 Mimosa &amp; Chestnut
    Original Owner / Non Original Car
    1980 TR8 Lava Red Pearl / Tan
    New Owner / Non Original Car

    My TR6 Resto-Mod Project

  16. #16
    Yoda PeterK's Avatar
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    Re: Finishing the Brass Trunions

    It's the ravages of the salt sea air that makes everything rust so quickly. I always spray a metal protectant (like Boeshield T-9) on exposed metal parts.
    PeterK
    1958 TR3A 1966 TR4A both HVDA

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    Great Pumpkin DrEntropy's Avatar
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    Re: Finishing the Brass Trunions



    I've not washed the Spider in 6 months. It sits under "water" oak trees and now looks like a pollen collection experiment.
    '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2
    '78 Alfa Romeo Spider-undergoing surgery: O=\*/=O
    '84 300D Turbo-"Diesela"-Now my Daily: Oo|≣|oO
    '02 Toyota Camry- SWMBO's 'new-to-her' Daily. <sigh>
    Chaos & Mayhem PTY, LTD..C.I.O. & Floor Sweepervisor

  18. #18
    Tinster
    Guest

    Re: Finishing the Brass Trunions

    Quote Originally Posted by PeterK
    It's the ravages of the salt sea air that makes everything rust so quickly. I always spray a metal protectant (like Boeshield T-9) on exposed metal parts.

    PeterK-

    I'm the stupid kid on the block, remember? Could you possibly be suggesting
    one of the marine sprays I use on the metal parts of my boat and Mercury
    engine <span style="color: #CC0000">everytime </span> I use the boat??

    Color me dumbfounded!

    dale

  19. #19
    Yoda PeterK's Avatar
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    Re: Finishing the Brass Trunions

    D-

    Not sure what marine sprays you use, but even a thin layer of grease will keep the hardware from the salt air and prevent rust. Boeshield T-9 was actually developed for use on aircraft hardware (by Boeing), and helps keep the rust off. Blaster Corrosion Stop (made by PB Blaster folks) also works well.

    One of problems of keeping the underside of our cars too clean and free of grease and oil, is that rust will attack, especially in your neck of the woods where there is sand to abrade the underside as you drive exposing it to salt air attacks. There's always something to do isn't there?
    PeterK
    1958 TR3A 1966 TR4A both HVDA

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    Yoda
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    Re: Finishing the Brass Trunions

    Just as I had always suspected, the genius engineers at Canley had perfected a sports car with automatic undercarriage rust prevention. TR's do not leak oil. What you see is the auto-corrosion system in action!!!

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