Gentlemen,
Why not use accurate descriptions in your inquiry ,
There are only two types of plugs used: taper seat plugs (1/2" reach) mid '70's head design or gasket seat plugs (3/4" reach) that use a aluminum spark plug tubes and an O ring seal to prevent oil leaks....similar to the 426 Hemi head design. If using this design, remove the gasket on the spark plugs. Actual plug brand or heat ranges....can be what ever.....Champion (N12Y etc), Autolite (AG52 etc), AC 45XLS etc, or what ever the NGK boys presently like or use or insist are the "best".
Let's drop the childish descriptions.....peanut plugs and drool tubes. Heat ranges and reach length MUST BE DETERMINED by the owner...or do your own do diligence. ..don't take someone else's opinion......just my thoughts .....
Bob Renton
