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Spark plug gap for ST170


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#1 Gwyn

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Posted 03 April 2009 - 06:37 PM

:rolleyes: :rolleyes:
Hello there

Does anyone know the spark plugs gap for a ST170 :angry: :angry: ??
I had a look at the Ford Technical disc (TIS) but cannot find it anywhere. I found the torque for the spark plugs and it's 15NM.
hope to hear from somebody soon.

:rolleyes: :rolleyes: :rolleyes:

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#2 w2575

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Posted 03 April 2009 - 09:22 PM

Why do you need the gap ? Not being funny but when plugs are bought they are set to specific gaps to give the required air gap for the fuel/air mix to ignite most efficently , further more if you adjust them coatings like silver or irridium coatings can be damaged on the contact surfaces thus increacing resistance across the 2 point which would give delayed combustion

#3 Gwyn

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Posted 04 April 2009 - 12:51 PM

Why do you need the gap ? Not being funny but when plugs are bought they are set to specific gaps to give the required air gap for the fuel/air mix to ignite most efficently , further more if you adjust them coatings like silver or irridium coatings can be damaged on the contact surfaces thus increacing resistance across the 2 point which would give delayed combustion

Thanks for that bit of info
regards
G Jones

#4 mike_10

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Posted 06 April 2009 - 02:24 PM

Thanks for that bit of info
regards
G Jones



if you are looking for the recommended gap it is 1.3mm

hope this helps

#5 Gwyn

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Posted 06 April 2009 - 09:26 PM

if you are looking for the recommended gap it is 1.3mm

hope this helps

:rolleyes: :rolleyes: Thanks a lot for the information :rolleyes: :rolleyes:


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