Alright I may sound stupid to some but I have a 2000 silverado 5.3 with a Nelson tune full exhaust no emissions electric fans fully built tranny, what spark plug is better for my set up a NGK tr55 or a NGK TR6 ? Nothing I have found truely answers my question. Help, please!
2000 Silverado, Pacesetter long tubes with off road y pipe into hushpower. Nelson Performace tune. Fully Built 4160E
LSFTW
tr6 is better for nitrous, F/I, or high compression
Run your motor, not your mouth..
04 ECSB 5.3 Sierra: 14.6@95
Pacesetter Headers, Intake, Tune
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