Yes I remember that well and have it down in my 440 stuff. However does that go for a 318 too. Especially with the domed pistons?? Do we know what the reach is? Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ===================================================================== Paul Lennemann wrote: > > Don D. recommended an Autolite 2974 as a replacement (for 85's I think). > > I ran a set for awhile. It is a small lawnmower style plug so I had to > cut down the boots on my plug wires or they would not go on all the way. > > I could see how they would work well with some headers due to the small > size. > > Paul L. > '63 Sport Fury > 440/727 > http://www.1962to1965mopar.ornocar.org/ml-lennemann63.html > > Rich Kinsley wrote: > > > > > > > > Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies > > > > I have had problems finding spark plugs that fit and work. I just don't > > want Champions and the good Autolite 75's are not made anymore from what > > > > > > I see. The Autolite 85's are a different heat range and just don't work > > as well. The problem with my engine is the reach. The 75's and 85's are > > 3/8" reach (.375). I had tried some others and carefully turned the > > engine bt hand and I found the domed pistons hit the electrod and bent > > it. I don't need to ventilate my pistons! > > > > Here's what I spotted at Summit. E3 spark plugs with .375 reach , one > > designated as #ETP-E3-12 and the other as #ETP-E3-14. They are $2 each > > right now. Ther is also a .307 reach #ETP-E3-16. I think they sound like > > > > > > they'd work. Would the "12" be the coldest?? I was thinking of trying > > them. > > > > Gary P, et al, got any input??? Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.