Engine gaskets - grease, sealant or dry?

  1. mangocrazy

    mangocrazy Italian V-twin nutjob

    Messages:
    717
    Location:
    Sheffield, UK
    I'm slowly rebuilding my Lancia Beta engine and am now at the point where various ancillaries and bearing housings are being bolted up (not cylinder head or sump). The faces all have paper gaskets and I'm wondering whether I should give the gaskets a light wipe with grease, leave them dry or use sealant. None of the joints will be under pressure, but I don't want to have to do the job twice due to leaks.

    All suggestions gratefully received.
     
  2. Woody.v8

    Woody.v8 Blue gluer

    Messages:
    3,186
    Location:
    staffs
    I build my engines with grease applied to the paper gaskets as I think they bed in better and if you need to take anything apart again usually the gasket is good to re-use.
     
  3. Bill Edwards Member

    Messages:
    4,906
    Location:
    Scarborough, North Yorkshire
    Blue Hylomar lightly smeared on and allowed to dry, if you want to be certain that it won’t leak.
     
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  4. bricol Member

    Messages:
    887
    N.Yorks, UK
    I've just pulled my Lancia integrale engine back apart to sort an oil leak. I used a loctite gasket sealant similar to hylomar - this time grease on paper, nothing on others.

    I have a 2ltr 16V engine sat waiting for the next Beta I buy . . . ;) Been 25 yrs since I last had one, I think I need another . . . Owned 5 so far.
     
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  5. doubleboost

    doubleboost Member

    Messages:
    2,768
    Location:
    Newcastle upon Tyne England
    Grease always worked for me
    If they are known to be troublesome Wellseal or Hylomar
     
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  6. armalites Member

    Messages:
    4,467
    Herefordshire
    Wellseal
     
  7. RonA

    RonA specialist in repairing sealed for life equipment

    Messages:
    1,454
    Location:
    Stockton on Tees, UK
    Always used the likes of blue Hylomar on what I consider problematic gaskets like sump or camshaft covers.
    RonA
     
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  8. nick952

    nick952 Member

    Messages:
    225
    Location:
    Wrexham, N.Wales
    I use Blue Hylomar, thinned with MEK in a jar and paint it thinly on both sides of the gasket, with a wide artists type brush (watch out for loose hairs though).
     
  9. Rrobson

    Rrobson Member

    Messages:
    36
    Location:
    West Yorkshire
    If your going to use a sealant like Hylomar (which is perfect for engine applications and I would use without question) you may as well do away with the gasket!

    A smear certainly wouldn't harm on either face, and will provide the fit and forget seal your looking for.
     
  10. mangocrazy

    mangocrazy Italian V-twin nutjob

    Messages:
    717
    Location:
    Sheffield, UK
    Thanks for all the replies. All the gasket faces are spotlessly clean (the block and all ancillaries were dunked in an ultrasound tank and came out mint), so for the non-critical ones I'll just use a dab of grease on the gasket. For the sump and cam covers it will be blue Hylomar or Wellseal.
     
  11. mangocrazy

    mangocrazy Italian V-twin nutjob

    Messages:
    717
    Location:
    Sheffield, UK
    What engine is that from? You don't have one of the rare as hen's teeth Abarth 16v heads for the Beta block do you? Mine is the standard 8v 2 litre lump, but will have 10:1 pistons, flowed head and DCOE 45 Webers fitted. It also has a Volumex flywheel which has been lightened and balanced (along with the crank) by Guy Croft. My Beta count stands at 3 - an old HPE that I watched dissolve, and a Coupe that I used as my winter driver to protect the Spider. Still have the Spider, the Coupe went to the great scrapyard in the sky nearly 30 years ago.
     
  12. gordon stephenson

    gordon stephenson Forum Supporter

    Messages:
    6,517
    Location:
    Skelton in Cleveland U.K.
    If the faces are good, Paper joint with a smear of grease,
     
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  13. RichardM Member

    Grease on Klingerit / paper type.
     
  14. bricol Member

    Messages:
    887
    N.Yorks, UK
    Unfortunately not. The engine is from a Thema. I have a couple of used integrale 16V heads, one from my previous engine, and a third, shiney refurbed, semi-ported one with new valves, guides etc which is rather surplus to requirements.

    Had a 1300 series one coupe. then a series 2 2 ltr HPE in that lovely shade of brown ;-) followed by a Spyder that needed a lot of work, at the same time as a 1600 coupe, followed by another HPE. I keep seeing ones advertised and nearly . . . I need to sell something first as I'm running out of space.

    Always liked the looks of the coupe/HPE and they handled brilliantly. A thought does cross my mind on occasion - saw the integrale off at ground level . . . roll under sawn off coupe shell . . . weld where it touches . . . ;)
     
  15. mangocrazy

    mangocrazy Italian V-twin nutjob

    Messages:
    717
    Location:
    Sheffield, UK
    OK, sounds like you need a donor car for that nice shiny engine... :laughing: I presume it's the non-Turbo version of the Thema? I'm intending to use a 16v Thema turbo clutch on my Beta engine - that should cope easily with the extra power over a standard 2 litre Beta.

    As for making a FrankenBeta - good luck with that! I suspect you'd have both Beta and Integrale owner's clubs after your blood... :D
     
  16. minimutly Member

    Messages:
    596
    Location:
    Pembrokeshire Wales
    Buillt a turbo 16v one years ago, was in a fiesta....
    Still have some diveshafts here, they fitted a montego/maestro/mgf drive flange and rover pot joint would you believe!
     
  17. keithski122 Member

    Messages:
    944
    uk
    If I was doing it I'd use a thin smear of rtv gasket sealant.
     
  18. mangocrazy

    mangocrazy Italian V-twin nutjob

    Messages:
    717
    Location:
    Sheffield, UK
    I'll bet that Fiesta raised a few eyebrows with its performance...
     
  19. Dcal Member

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    1,588
    Location:
    Antrim Northern Ireland
  20. daedalusminos Member

    Messages:
    735
    Location:
    Norwich
    I used to use Red Hermetite, the benefit was that excess could be cleaned off with white spirit thus not affecting the paint finish on pre-painted parts
     
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