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Model specific boards => Golf mk4 => Topic started by: pickles on 17 December 2011, 14:07

Title: Spark plug gap
Post by: pickles on 17 December 2011, 14:07

just noticed the spark plugs i bought have a 0.9mm gap whereas the AGU ones have a 0.8mm gap, would this matter at all, im assuming it would

Title: Re: Spark plug gap
Post by: pickles on 17 December 2011, 16:57

doesnt appear to make a difference :)

Title: Re: Spark plug gap
Post by: Chris. on 18 December 2011, 13:20

If the AGU says 0.8mm, then they need to be 0.8mm unless you have lots of power and can experiment with different gaps.

Title: Re: Spark plug gap
Post by: pickles on 18 December 2011, 19:24

car seems to be running sweet :), the 0.1mm difference wouldnt damage the engine in anyway could it

Title: Re: Spark plug gap
Post by: mcgee9t2 on 18 December 2011, 19:56

i could only see it ruening the plugs, however if i was in your position ide have gone and changed the plugs for ones with the correct gap

Title: Re: Spark plug gap
Post by: Chris. on 18 December 2011, 20:01

Why not regap them?

Surely it would put extra strain on the coilpacks having to spark a larger gap?

Title: Re: Spark plug gap
Post by: pickles on 18 December 2011, 21:54

could do, would need to get those feeler gauges from halfords i suppose