Plug questions???? - Team Camaro Tech
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post #1 of 1 (permalink) Old Apr 1st, 03, 04:10 PM Thread Starter
Join Date: Dec 2000
Location: Vista,Ca
Posts: 15

I just installed MSD 6 and Jeg's hot in cap coil in Proform HEI distributor with medium springs. I pulled the plugs to regap to the recommended .050 and I have about 4000 miles on them. They are AC Delco number fives. The plugs showed little wear but were very white. There was only a brown spot on a small portion of the insulator and a little carbon build up on the thread surface. Timings set at 12 with full vacuum at idle and 34 total. Should I be concerned and is this the right plug?

68 Camaro
355 ZZ3 Thorley headers 10.5 compression
ZZ4 cam
GM high rise, Carter AFB 650
350 Turbo, shift kit with 2800 stall
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