Volvo RWD 140-160 Forum

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intake/exhaust manifold seperating? 140-160

posted by  cardog on  Tue May 31 14:24 CST 2005
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last visit: Mon Oct 13 10:29 CST 2014
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Hi,
I am about to pull my carbs and manifold off of my '72 142. I'm looking for a vacuum leak so I am replacing all of the gaskets and checking for cracks in the siamese intake/exhaust manifold. If I have tocut the manifold to seperate the two, (I have an aluminum intake if I need it)is their a best spot to cut it? ...and what is the best tool to use?
I haven't looked at it yet, so this question may be a bit premature, but I figured I should get involved with as much info as possible.
Thanks,
CU








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    intake/exhaust manifold seperating? 140-160

    posted by  walrus3 on  Tue May 31 19:20 CST 2005
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    last visit: Mon Dec 2 14:20 CST 2013
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    I would leave it together. Especially if you drive in very cold weather the
    combined manifold will give you improved driveability, and if you disable or
    remove the secondary throttle butterflies, very nearly the same performance.
    --
    George Downs Bartlesville, Heart of the USA!








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      intake/exhaust manifold seperating? 140-160

      posted by  cardog on  Wed Jun 1 17:29 CST 2005
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      last visit: Mon Oct 13 10:29 CST 2014
      [RELATED]

      Hi George,
      I am only planning on seperating it if the intake portion is cracked and that is where I am getting the vacuum leak from.
      I do live in NY, (no not in the city...a few hours north) and yeah, it can get below zero some ngiths in the winter or hover around zero durring the day for a week or two so if I don't have to seperate it I won't.

      Thanks,
      CU







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