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spark plug gap

Discussion in 'A4/S4 forum(B5 Chassis)' started by gaz71, Aug 24, 2009.

  1. gaz71

    gaz71 1.8T Quattro Sport AJL

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    This may have been asked before but what is the ideal spark plug gap for a 1.8 tqs AJL 180bhp. The manual says 0.8mm but when serviced it has had 0.7mm fitted.
     
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  3. jcb

    jcb Active Member
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    chipped, any mods?
    what plugs?
     
  4. gaz71

    gaz71 1.8T Quattro Sport AJL

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    Not chipped yet. N75K Valve and 710N DV. Standard airbox and filter. Spark plugs fitted at service NGK PFR6Q with 0.7mm gap. Also have some Autolite APP 3923 which are in good condition, gapped at 0.8mm.
     
    #3 gaz71, Aug 24, 2009
    Last edited: Aug 24, 2009
  5. aragorn

    aragorn "Stick a V8 in it!"
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    the figure i see used a lot is 0.028", which is just over 0.7mm.
     
  6. Broken Byzan

    Broken Byzan Photographic Moderator
    Staff Member Moderator VCDS Map User Audi A4 quattro

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    If chipped 0.7mm if not 0.8mm is fine
     
  7. gaz71

    gaz71 1.8T Quattro Sport AJL

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