hole in the firewall - what's missing?

Discussion in 'Mech Tech' started by rob.e, Sep 14, 2017.

  1. Lousy pic but you can probably just about see i have a squareish hole in the firewall. What would have been there originally and should i be worried that something's missing?

    My bus was originally FI but now runs carbs - maybe something to do with the fuel injection gubbins that isn't there any more?

    Sort of answering my own question but i guess it would be a good idea to block this off with some sort of blanking plate? .. in that i don't think the firewall will be particularly effective with a hole in it :)

    [​IMG]
    Untitled
    by Rob E, on Flickr
     
  2. Was the warm air feed to the airbox
     
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  3. This.
     
    rob.e likes this.
  4. ok, so i should block it up then?

    Are there any off-the-shelf options or will i need to make something up?
     
  5. I'm just about to remove mine thanks for the pic.
     
  6. Ozziedog

    Ozziedog Supporter

    I'd wander around my garage and see if I can find a large grommet or bung the same size or perhaps a tad bigger then squidge it in or perhaps Dremel a bit out to get a decent fit. If not I'd then try something a little groovier like an oxo tin lid or similar and find my sikaflex while I'm doing it, clean it, glue it, prop it. Next time the motor is out of the noisey cupboard do something a little more permananty.

    Ozziedog,,,,,,,,, Strepsils tin looks a good fit :)
     
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  7. Have a pic of mine in that area with fi inplace, think there is a grommet in there and wires from the alternator goes through to starter. HPIM2266.JPG
     
    rob.e likes this.
  8. It's not through the firewall BTW, but underneath the tank compartment, so not such a serious fire risk.
     
    paradox and rob.e like this.
  9. Nope not on fuel injection

    Sent from my Nexus 6 using Tapatalk
     
  10. This

    Pretty sure on your year @rob.e there was a metal shroud that went over it but I can't remember where it fed to

    Sent from my Nexus 6 using Tapatalk
     
  11. Could you not stick an old sock in it?
     

  12. .. you know i did consider the title of this thread could have been "what should i stick in my hole" but i fear that may not have elicited responses of the desired calibre :)
     
    Merlin Cat likes this.
  13. ok, makes sense i guess as you can see the floor. i guess still worth blocking up though - same reason as you need to foam seal, the design of the air flow for cooling assumes everything that flows in through the ears gets pumped through the engine cooling system.
     
  14. Innuendo? On TLB? Surely not...
     
    Ozziedog likes this.
  15. Ozziedog

    Ozziedog Supporter

    I met an older gentleman in the summer who told me repeatedly where this expression came from. I was DJing ish at a garden party for a number of people with altzeimers etc. It was just a bit of a light hearted thing to try and raise a smile more than anything else. I had my 78 wind up gramaphone with me on the table in the garden and we raised a smile here and there. Now this gramaphone was quite a modern one circa 1934 and had a speaker type thing on the arm connected to the needle.Well this lovely gentleman told me several times that the very very old gramaphones had a horn on them and to quieten them down a little, they would actually put a sock in the horn to stifle it a little, hence the expression,,,, Put A Sock In It. I may have told this story before:rolleyes:

    Ozziedog,,,,,,,,,,, Al Martino and Mantovani really rocked that day :)
     
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  16. Did you play "I Remember You"? Perfect for Altzheimers suffers :thumbsup:
     
  17. Ozziedog

    Ozziedog Supporter

    I`ve got a version of that by the Bachelors and the Ink Spots but I think it was Frank Ifield that had the biggest hit with it. You are exactly right though, as you have to make light of it because its there waiting to catch a lot of us. The best thing about it apparently is you get to meet nice new people every single day . ;);)

    Ozziedog,,,,,,,,,,,, It really does perk some of them up , so well worth it for a couple of hours :)
     
    beatnick likes this.
  18. ok then. this is the hole in the rear tin-ware through which, when other appropriate tin-ware is fitted creates a duct to supply warm air to the air box for the carbs. If this was a fuel injected engine originally then perhaps this hole is re-purposed or has a blanking plate, or possibly it isn't a fuel injection piece of tin-ware at all but a carburettor engine one. who can tell.

    Stick a plate over it or a short piece of engine bay seal if you have any spare.
     
    3901mick and 77 Westy like this.
  19. Or a sock :thumbsup:
     
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