Re: DZ Spark Plugs?
I use R45's for the street and cruising, but re-install R43's for SCR racing - remember the spark plug delivery to the meet-n-greet in the parking lot by the local Chevy dealer?
I have fouled several sets of R43's, (not my NOS set of 4 thin lined ones though), and found that the hotter R45 worked much better. I will give the NGK's a try though, as the R45's will foul occasionally too, especially after idling in line at a cruise or a show.
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Marlin
70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride)
67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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