whats the best spark plugs to run on a pair of 882 heads flat top 355? thanks
try autolite 26s' ran good for me. hottest spark range for that style plug that i know of.
Be careful with 'hot plugs. Preignition will cause all sorts of failures. Colder the plug the more heat is absorbed into the head. Hotter vice versa. No need to start a peeing match. IT is the truth. Moldy
ngk 5674-8
Well with the resistance to spark running 112-115 octane fuel you almost need the higher spark range plug to get the complete burn into the cylinder. This is also where your cam lift and duration play a part as well as your valve sizes.
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