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86GT · 12-18-2003, 10:21 AM

I run AC Delco R44XLS in my heads, on the 150 shot I run R43XLS. I've tried the champions, they didn't work so well, fouled out pretty quick. I've never tried Autolites, or NGKs, I was told that I needed NGK BCPR5ES for Edelbrock heads tho.

12-18-2003, 10:21 AM	#12
86GT Sniffed too much n20 Join Date: Oct 1998 Location: Ont, Canada Posts: 1,018	I run AC Delco R44XLS in my heads, on the 150 shot I run R43XLS. I've tried the champions, they didn't work so well, fouled out pretty quick. I've never tried Autolites, or NGKs, I was told that I needed NGK BCPR5ES for Edelbrock heads tho.