Best Spark Plug

[rsev216]

What is the recommended plug to run in a 289 with Holley 600cfm, Weiand manifold, MSD 6AL ignition and MSD distributor?

 

[65Mustang2+2]

Autolite

 

[84convertablegt]

Yeah, id say you cant go wrong with the motorcraft/autolite good ol cheapy plug. only a $1.?? a plug.

 

[brianj5600]

I use Autolite.

 

[69Rcode_Mach1]

Autolite Platinums baby!!!

 

[2bav8]

I recommend non-platinum Auto-Lite.

 

[mfp4073]

Never ever believe the splitfire/quadfire hype....

autolights run just fine at $1 each