View Full Version : What plugs for a carburated stock-ish 350 ?
Lenny
11-05-2004, 12:23 PM
I need fresh plugs (spark) in the boat. What do you recommend and at what gap? GM 350, 4 barrel, stockish. Thanx, Lenny
Rootsy
11-05-2004, 12:51 PM
Non vortec cylinder heads - AC Delco R43T or TS... gap .035
Sierra
11-05-2004, 05:35 PM
Lenny do you have point or is your distributor electronic ?
Sierra
Rootsy
11-05-2004, 07:40 PM
close em up .007 if you have points... so .028...
JR
BUIZILLA
11-05-2004, 07:50 PM
huh ?
GG Donzi
11-06-2004, 08:56 AM
AC MR43T- non-vortec
AC MR43LTS-vortec
You want to make sure they have the "M" which stands for Marine. Marine plugs have special shells (I believe there stainless steel) that protect against water penetration and corrosion. Stock ignition .035 gap
I'm assuming it a late model 350 (taper plugs, electronic ignition)
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