Spark Plug

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • bartx7001
    Junior Member
    • Mar 2012
    • 21

    #1

    Spark Plug

    I have been running Autolite ar134's. They are to cold. How does a the heat range on a no racing plug compare? Is a 23 hotter than a ar 135 or colder?
  • SLM98
    Senior Member
    • Sep 2009
    • 407

    #2
    Why do you think the 134's are too cold. Unless you are 9-1 compression it is unlikely. 23 is the same heat range but with a extended tip, 135 is hotter.

    Comment

    Working...
    X