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Spark plug differences

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Can you guys tell me the difference between the B8EG plug and the B9ES?

The S has a much fatter electrode - how does that effect performance?

And is the 8 or 9 hotter?

Thanks guys!!!

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Can you guys tell me the difference between the B8EG plug and the B9ES?

The S has a much fatter electrode - how does that effect performance?

And is the 8 or 9 hotter?

Thanks guys!!!

Yoko the general rule with plugs is the lower the number the hotter they are, as far as the tip, the S type fatter tips just take more voltage to induce the spark compared to the G's which are pretty fine in size requiring less voltage to produce the spark...............hope this helps

here's some ref. material from NGK

http://www.ngk.de/Spark_plugs.649.0.html

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Can you guys tell me the difference between the B8EG plug and the B9ES?

The S has a much fatter electrode - how does that effect performance?

And is the 8 or 9 hotter?

Thanks guys!!!

B8EG is hotter then the B9ES, also the B8EG is a copper core and cost more. The B9ES is just the standard tip. Either will work just fine, the "9" is a colder plug than the 8. If you are looking for a replacement to the 8 plug, but not as much $$$, get the B8ES.

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Thanks tech! Autozone had the b8es and 9 in stock so I got them both. I'll take back the 9 and get another 8 since now I know it's hotter. They were $2, instead of $8 for the G.

Thanks everyone!

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