Indexing Spark Plugs

Fabian

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Sep 8, 2009
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Australia - Melbourne
G'day all

Does someone know the correct angle (or post a photo) that the spark plug electrode should face, in relation to the cylinder ports for best power.

Indexing the spark plugs for a bit of extra power can't be a bad thing.

Fabian
 
If you are going to index a plug, the GAP should be the closest to the center of the bore/cylinder. In our case felt tip mark the ground electrode and this will be pointing forward when correct. Do you have indexing washers available or are you going to have to order them?
 
Good advise - i don't have indexing washers but my local speed shop/hotrod shop in my area should have them or advise where i can purchase them.

Fabian
 
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