504 pick up - motorhome
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  1. #1
    Tadpole
    Join Date
    May 2011
    Location
    Swindon
    Posts
    1

    Default 504 pick up - motorhome

    Hi all, new to site and looking for information on a 1984 Peugeot 504 pick up. Mine is a 1.8 petrol and on the exhaust manifold I have a 'pot' on the exhaust manifold for cylinders 1 and 2 looking at the engine from the front. My question is what is it for?. Does it do anything?. Any information will be gratefully received. Mine is blowing and in trying to remove it both bolts broke. Many thanks

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  2. #2
    1000+ Posts
    Join Date
    Dec 2005
    Location
    HOBART
    Posts
    1,265

    Default

    It sounds like the pot on the 404s and probably the 1.8 litre 504. I have never seen any benefit with these and changed over the manifold to a standard 2 litre manifold with no loss of power or anything else.

    A 1.8 litre 504 motorhome must be rather slow!!
    1998 Peugeot 406 D8SV Manual
    1999 Peugeot 406 D8ST Auto
    2002 Peugeot 406 D9SV Manual
    1994 Peuegot 306 N3 Cabriolet Manual
    1994 Peugeot 306 XR N3 Hatch
    1995 Peugeot 505 GTI executive
    1976 Peugeot 504 Sedan - Now sold

    Over 60 Pugs in my time
    Gerry Mullock

  3. #3
    VIP Sponsor
    Join Date
    Aug 2000
    Posts
    9,261

    Default

    Quote Originally Posted by 504motorhomer View Post
    Hi all, new to site and looking for information on a 1984 Peugeot 504 pick up. Mine is a 1.8 petrol and on the exhaust manifold I have a 'pot' on the exhaust manifold for cylinders 1 and 2 looking at the engine from the front. My question is what is it for?. Does it do anything?. Any information will be gratefully received. Mine is blowing and in trying to remove it both bolts broke. Many thanks
    It is to aid exhaust flow by resonance effect.
    You will lose power if you remove it. Back in the early sixties some people who raced 404s removed it and then were beaten by the one person that left his on.
    As Gerry says though the twin pipe manifold is proabably better.
    Graham

  4. #4
    Member
    Join Date
    Dec 2010
    Location
    Mangonui NZ
    Posts
    82

    Default 504 pick up

    My 88 1.8 504 Pick Up ex UK has the twin manifold as original build. 404 without resonator DOES perform fifferently & noisier too. With twin manifold be sure enough room for exhaust past steering gear..........new engine mounts may assist. Dave

  5. #5
    Fellow Frogger!
    Join Date
    Oct 2003
    Location
    canberra
    Posts
    856

    Default muffler

    I have a manual 505sr wagon from the UK it has the front dead end muffler like a 404 and tin 404 style sump, had no aircon and a smaller radiator
    I assume to be 2ltr as has a squareport head with auto choke carby
    seems to pull well and is economical

    I guess I have to pull the head off to check size of the bore?

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