E8 260 sparkplugs..

[Evo-R]

Hey guys!

have searched around to see what plugs I should have.. wont be running more than 350 hp..

Bought NGK BPR7EIX plugs....
but are the 7:s to warm..?? different info everywhere.. some say i should have 8,s-- 9,s too.... hmmmm

 

[RsvRob]

8's are the norm