I have a 1979 Chrysler 300 with a 360 and a really mild hydraulic
cam.This motor also has 9.5-1 comp.340 manifolds.M1 dual plane intake.Exhaust
is 2 1/2 through to the bumpers.The heads are off a 1990 Ram.I have been
racing this combo for 5 years now and it is very consistent.Runs low 15s at
93 mph.This car weighs 4700 with driver and strereo.I installed the
reccomended Autotlite plugs from the list and thats all.The rear gear is
3.23s.The car now goes high 14s at 94 MPH.
A increase of a full tenth and 1 mph.These 3924 plugs are the answer
for a bit more performance.Highly recomended from me.
Brian in Seattle
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