Spark Plugs

[Rick Haywood]

OK I am wondering what I did or maybe there isn't really any difference. I changed the plugs today in my 2000 venture and the Clymers manual said they took a

NGK DPR7EA-9 When I got the old ones out and the new ones in I was cleaning things up and happened to look at the old plugs, which by the way looked new after 12,000 miles anyway the ones I took out where NGK DPR8EA-9

 

Anyone know what the difference is? Is one hotter than the other?

 

Just wandering

 

Thanks Gentleman.

[Black Owl]

The 7 is a hotter plug.

[dingy]

Attached is an NGK plug reference chart.

 

Gary