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Houdy Dave!
My vote is with Dave
Yes they will work on the LT1 with a max gap of .35.
Use alot of antiseize.Make sure you tighten the top of the plug also.
what shots r yall shootin? i forgot.
ne thing new with the n20 for u guys?
i just bought the FJO progressive controller... cant wait to get it!
i am also in the porcess of buildin my own direct port kit with flexible poly line. with the progressive controller and the goal of 475 rwtq from 3000-5500... with all that heat... i will need something a bit colder..
but with just the 125 shot the plug(NGK B8EFS) was too cold to hold idle.
NGK B8EFS (stock #1049) do these have the short tower on them? Trying to find some for header clearance. The heads on the new motor have the exhaust port up .4" and it puts the wire boots real close on a couple of plugs.
johnny