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Thread: Which new exhaust manifold studs?

  1. #11
    Join Date
    May 2014
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    Point Cook, VIC
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    It is the outer 1 and 5 positions that should be slotted. These are the ones that break and benefit if the manifold can slide.

  2. #12
    Join Date
    Jan 1970
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    Pennant Hills, Sydney
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    I have never de-webbed my manifold left the middle holes as is the outer ones drilled out and skimmed, have the motor chipped etc, manifold has never broken a stud or come loose in 8 odd years.
    disco seriesII mods so far:-bullbar,hyd winch,
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  3. #13
    Join Date
    May 2012
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    Adelaide Hills, SA
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    Mine has the outer (1 & 5) holes drilled out & larger studs fitted. Trouble is drilling out the shim metal type gasket, it buckles, bends and twists, I wound up gradually filing the holes out with a very fine round file, what do others do in this situation?

    Mike

  4. #14
    Join Date
    Mar 2009
    Location
    Port Stephens N.S.W
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    Quote Originally Posted by nismine01 View Post
    Mine has the outer (1 & 5) holes drilled out & larger studs fitted. Trouble is drilling out the shim metal type gasket, it buckles, bends and twists, I wound up gradually filing the holes out with a very fine round file, what do others do in this situation? Mike
    I would use a dremmel tool with the appropriate bit.

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  5. #15
    Join Date
    Nov 2010
    Location
    Murgon
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    Here are the JE Engineering studs fitted to a stock manifold that has been de-webbed and ceramic coated by APT Fabrications.

    Feel free to hit me up with any questions regarding either product. I'll try to help if I can.
    Attached Images Attached Images

  6. #16
    Join Date
    Sep 2014
    Location
    Tweed heads
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    I've got a bolt missing on number 1 and a nut missing on 5. The car runs well so I don't want to do things to it unnecessarily. But anything that prevents problems later is a good idea. Should I just place the nut and bolt without removing anything or strip it down ?

  7. #17
    Join Date
    Feb 2011
    Location
    Hobart, Tasmania, Australia
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    Quote Originally Posted by Billt View Post
    I've got a bolt missing on number 1 and a nut missing on 5. The car runs well so I don't want to do things to it unnecessarily. But anything that prevents problems later is a good idea. Should I just place the nut and bolt without removing anything or strip it down ?
    If it's not leaking, usually evidenced by soot around it or whistling sound when accelerating. I would just try and replace the missing items first. Should be a stud missing, not a bolt though.

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