What is a good spark plug for a 228/228 506/506 comp camps? I have a 1994 3.4L with P&P heads and modified LT1 throttlebody. I have taylor wires and accel coils and running the bosch platinum 4's now but should I switch to a copper plug? Car was running rich until I installed an adjustable fuel pressure regulator but need some advice on a better sparkplug.
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Best Sparkplug for a comp cam
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moving to general tech.Keith - Chicago<br /><a href=\"http://www.hptuners.com\" target=\"_blank\">HP Tuners - PCM Reprogramming</a><br /><a href=\"http://www.dxsoftware.com/magnus/\" target=\"_blank\">97 Firebird V6 to LS1 swap</a><br /><b>V8 9.967@132.78</b> 1.322 60\' NA Heads/Cam<br /><b>V8 10.295@128.48</b> 1.363 60\' NA Cam Only<br /><b>V8 10.987@119.31</b> 1.422 60\' NA Stock Internals<br /><b>V6 13.674@98.22</b> NA<br /><b>V6 12.394@104.91</b> N20 100HP
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