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spark plug gap 

 

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 Post subject: spark plug gap
Posted: Mon Apr 04, 2005 1:32 pm 
Parts Gopher
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doe any body no the spark plug gapping on a 302 out of an xy

thanks guys

 

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Posted: Mon Apr 04, 2005 1:36 pm 
Getting Side Ways
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Standard specs were 0.9mm

 

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Posted: Mon Apr 04, 2005 1:45 pm 
Parts Gopher
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thanks man how much difference does it make

 

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Posted: Mon Apr 04, 2005 1:49 pm 
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it can make a big difference in some engines and not in others. probably not as much in an older engine.

 

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Posted: Mon Apr 04, 2005 1:51 pm 
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Basically if the ignition system is stock and in good nick then there's really no need to deviate from the recommended gap. In most cases, if you go to somewhere like repco and ask for plugs for your specific car, they'll give you the right heat rating and they'll be pre gapped... never hurts to double check the pre gapped plugs tho.

Too small a gap and the spark with be too small/weak... too large a gap and it may not fire properly (i.e. misfire).

Only really need to start f@rt around with gap for upgraded ignition systems, forced induction etc.

 

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Posted: Mon Apr 04, 2005 10:19 pm 
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Or hi compression...

 

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