But what's the number, so when I go to local part store I know what to tell them.I run ~9 on motor and ~10 or 11 on the nitrous.
NGK 5671~9 or 5671~10 or 5671~11 the heat range is the last number. Smaller the number the hotter the plug.But what's the number, so when I go to local part store I know what to tell them.
I have the exact same motor with just a little more compression and the same fuel. I ran -9 plugCan someone please give me the correct ngk plug #/ part# for a 418, sbf, vic jr, 10.5 to 1, approx 175 shot, running 110 octane leaded fuel...thankyou for the help!
Id say YES. Start off at -9sNot teyin to high jack but maybe learn..
I have what id call a similar combo.
427 10 to 1
Spraying 225 on C16
and I'm using 5671A-7's as per the previous owner
Is that way off? What would be reasoning for that?