Posted by Andy T. on February 12, 1999 at 15:00:39:
In Reply to: Spark Plugs posted by Drew on February 09, 1999 at 19:04:42:
I use AC # R45 in my '68 w/ a 251, I think they should fit the 230. Plain 45s would be better since they do not have the built-in resistor. R45s are easier to find.