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76 Sopru resto

Discussion in 'Resto Corner' started by David H, Sep 18, 2016.

  1. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Hi Kombi Lovers,
    Stainless tanks back in & connected. 2 hours & many jacks later!:) RH side was a b*tch as the frame was very tight after fitting plastic strips . Needed about 3/4 ton pressure to pop into the frame.
    P1100740.jpg2.jpg


    I love how the polished stainless looks black from some angles
    P1100742.jpg2.jpg
    P1100744.jpg2.jpg


    Cheers
     
    Last edited: Feb 19, 2017
    Poptop likes this.
  2. cbus

    cbus Well-Known Member

    Messages:
    10,921
    Location:
    sunshine coast
    David.
    Somewhere you mentioned penetrol in the cavities.

    Just in case its only the penetrol.?
    And for the benefit of others who havent fitted the door cards yet . :)
    It will need at least 2 applications to form some protective build.
    Best option is a wet on wet with penetrol for capilary action ( seals out the air and moisture down to base) then a cavity wax.
    Probably best after the penetrol has dried a day or two.?

    I have noticed that due to it being a non viscous product, penetrol in a single application will not give sufficient build on a rough surface ( rust with a coarse profile) to prevent further rusting.
    Hence the need of the wax to give additional build.

    Obviously this is for cavities where it is not practical to mechanicaly remove the rust.
    In which case I still run a rust converter and flush prior to penetrol.
     
  3. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Thanks Cbus,

    Thanks for the follow thru advice.

    Thankfully there was no rust inside doors (not going back in there again..don't like interior door panels:rolleyes:) & inside other panels. The beater just cleaned up, resprayed & cavity waxed (has tectyl in it) & he did every panel he had access to (including the back of the tall cupboard behind the drivers seat after he had a small smoldering fire that burnt the back panel of the cupboard & had to be removed quickly:eek:... better access)....for cavity wax.

    I was there when they pulled the panel off the inside of sliding door & beater said "It looks like it just came off the factory floor". Just small 1 or 2 inch sections under window rubbers (10mm of vertical join) & the aforementioned doglegs, step treads & near the accelerator (all salt water damage).

    Due to the good condition of the box beams under I went with that waxoyl as I was way happy with it's convert & knew inside the beam (where I could get a glimpse there was only non rusty steel) was better than the surface rust the stainless tanks caused on the sub floor area. Sub floor needed some care & I appreciated your advice.

    I'm trying to understand the 'why my bus rusted so little'. See 1500king post.
    http://forums.kombiclub.com/threads/freshly-rebuilt-engine-oil-light-on.54367/page-4#post-600222
    I think he 'nailed' why the steel is good (where the ore came from & it's composition).

    I reckon isolating those stainless tanks was the most important thing to do to stop them causing the bus to be the anode.

    Have you any clues why the rust above tanks was far worse on the pax side (& the bus has always had dual batteries)?
    Both tanks made by same guy with same material & installed at the same time. Were supposed to be 304 stainless (as 316 not available in Newcastle back then) but old mate from pub just recently said magnets don't stick to stainless so I came home & tried it & it stuck to my kitchen sink but not to the bus tanks! So I guess they're a bit better than 304 but I presume all material came off the same coil of metal? (unproven)

    Would love to hear any thoughts you may have. I'm:confused:.

    Cheers
     
    Last edited: Feb 25, 2017
  4. Grantus

    Grantus Well-Known Member

    Messages:
    14,730
    Location:
    Southern ACT
    Did your bus park facing south most times? o_O

    Just asking, coz if so, the coastal salt air mist would always hit the passenger side first......... :rolleyes:

    You did ask for thoughts........:p
     
  5. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Always away from coast (old boy has lived in Cardiff 10km from coast or further away all his life) & always garaged or under carport but did do 16 years with left side to North East in carport. So bus pointed South East.

    Nice point. Touche!

    I see this on gutters & you're talking of condensation & where it accumulates & what's in it.
    Also see this on the top fence rail on colorbond fences.

    You may have nailed this one with your first dart.!:)

    Go to the front of the class!;)

    Thanks, it makes sense!:cool:
    Cheers
     
    Last edited: Feb 25, 2017
  6. cbus

    cbus Well-Known Member

    Messages:
    10,921
    Location:
    sunshine coast
    Wouldnt tout myself as having any more than a basic knowledge of metallurgy.

    Rather than strictly the source of ore my thinking would be the composition from smelter.
    High carbon and damascus chefs knives certainly need more care.
    Stainless varies a lot depending on its composition.
    Anecdotal evidence suggesting Indian blends more likely to rust for a given grade.

    Environment and coating performance differ widely and account for much of variation re rust on vehicles.
    Possibly more dust and moisture was trapped between the tanks and floor?

    Not all paints are suited to extended full immersion in water.
    Thats where epoxy paints have an advantage.
    Coatings ex factory have a history of variation in effectiveness.
    Generaly vw have had a good pre paint treatment and paint build.
    Our vehicles are long past designed life expectancy so in my view attention to weak areas in paint is expected.

    Re your post above.
    I would suspect top rail degredation being due to UV.
    10Km from coast can still get affected by salt mist.
     
  7. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Thanks Guys,

    I would suspect top rail degredation being due to UV.
    It's actually rust coming from the inside on the lee side from the coast.
    Where the salt laden condensation goes & isn't washed off.

    Possibly more dust and moisture was trapped between the tanks and floor?
    Free breathing space with little dust etc but see next..........

    .........I'm thinking that salt laden air drawn up on the windward side & settling above the 'thermal mass' of tank with water in it & condensing in that area above tank.

    2 replies & KC's done it again.

    Just makes a lot of sense.

    That left side is now parked behind a wall but still faces NE.

    Hopefully isolated s/s tanks reduce anodic reaction.

    Legends...both of you & a great big THANKS. :D

    Cheers,
     
    Last edited: Mar 5, 2017
  8. cbus

    cbus Well-Known Member

    Messages:
    10,921
    Location:
    sunshine coast
    Its only guessing. ;)
    Seemed a bit of failure in coating underneath.
    Hope the enamel is not aerosol as it gives a thin coating.
    Would have preferred epoxy for durability.
    A coat of wax wouldnt hurt in the area between tank and floor as added insurance.

    Seems body is pretty good overall.
    Makes life a lot easier and will last longer than a ' restored' rustbucket.
     
  9. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    But at least it's an educated 'guess' by a few more than just me!

    I think coating failure was due to anodic argument.

    I put rubber between tank & floor & plastic strips on tanks top & bottom.
    Totally isolated now.

    20 years will show if it's done right.

    Tanks have been in nearly 30 years to do the damage shown in this resto.

    I'm thinking I won't be troubled if it does it in another 30 yrs but shouldn't due to isolation of the catalyst.

    Thanks. Invaluable to have yours & Grants feedback.

    Cheers:D
     
  10. Barry

    Barry Well-Known Member

    Messages:
    2,748
    Location:
    Abbotsford NSW
    Holy dooly!

    that's some motor you are whacking in there!
     
  11. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Just Amended Barry. My typo...just a standard motor!
     
  12. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Hey Kombi Lovers,
    Put new lino in & stainless edge strips. Wife reckons we have the wood loaded for the next camping trip. :rolleyes:
    I love it as it ties all colours used, White, black, light blue & brown & is so retro. The new fridge panel matches the poptop canvas.
    Wife & daughter reckon "They can see where I'm coming from but I have no taste!". They may be correct;).
    Cheers P1100751.jpg2.jpg P1100753.jpg2.jpg
     
    Last edited: Mar 1, 2017
  13. DanSA

    DanSA Active Member

    Messages:
    486
    Location:
    Adelaide Hills
    Think it looks good David! As u said great link in colours and a bit retro. Will hide the first well too!

    Can't see your fire extinguishers tho?
     
  14. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Took the old lino out by cutting around the cupboards & then making a template out of cardboard. Worked a treat!.

    Fire extinguisher hiding down the back Dan. Where they need to be!;) 3 metres of Blaze Cut. The black on the under side of spare wheel area is petrol fire residue from the last fire in '94. Maybe the fuel carbons have served as a rust preventative!o_O
    Strongly suggest you change the cold start valve. That's what caused that fire! P1100749.jpg2.jpg
    Cheers
     
    Last edited: Jan 12, 2018
    OSF likes this.
  15. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Also did a s/s catcher for the aisle mat as that didn't come in the same shape as original. Original had over the edge & under front mat. Without that edge aisle mat had no security fore aft. Must have been from JK. P1100761.jpg2.jpg
    Must be a teenager.:rolleyes: Hopeful!!!
    If it's bling I'm in! Not yet polished!

    Cheers
     
    Last edited: Mar 1, 2017
    Syncro27 likes this.
  16. DanSA

    DanSA Active Member

    Messages:
    486
    Location:
    Adelaide Hills
    Yeah I'm keen on one of those. Great insurance.
    Being a camper tho, always good to have one in the kitchen! :rolleyes:
     
  17. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    If it burns whilst you're cooking just throw it out the door!;)
     
  18. Wayne murray

    Wayne murray Well-Known Member

    Messages:
    2,071
    Location:
    Seven hills
    Some lose coin there David H between your front seats. Your bus has come a long way since I first started seeing details of this thread. Credit to you for a fine job on a well deserved bus.
    More attention might be needed to your cooking instead of the bus when your cooking,safe throwing it out the dooro_O;) Unless you have a dog!
     
    David H likes this.
  19. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Hi Wayne,
    Thanks for your 10 cents worth & your accolades! I'll pick the 10 cents up from the aisle tomorrow & have the start of a beer!:D Just 50 more needed!;). Donations accepted!
    Re internal cooking fires...I was just saying it's easy to get rid of them.....just throw it out the door. Doesn't need an extinguisher! Yeah...we have a dog... & she loves when I cook when camping;)!
    Cheers,
     
    Last edited: Mar 5, 2017
  20. David H

    David H Well-Known Member

    Messages:
    3,549
    Location:
    newcastle
    Hi Kombi Lovers,
    Put some LED's in today bought from Peter915 on here.
    Same camera , same spot.
    Before with halide P1100754.jpg2.jpg
    After with LED
    P1100765.jpg2.jpg
    I'm very impressed. Check out how much more of my neighbours caravan & my forecourt can be seen. Look at the carport post! Done on high beam.
    Cheers,
     
    Last edited: Mar 5, 2017
    shanwa and andrew like this.

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