Bosch Platinum plugs
So I had previously used these, the single electrode version and when I went to swap them out with my NGK TR55's 5 out of 8 had the external ceramic cracked... Never seemed to cause any issues though. Well a friend of mine bought a perfectly running motor put bosch single plats in and started it and said the damn thing sounded like it had a spun bearing... Pulled the plug off cylinder 3 and internal ceramic head of spark plug is gone so pop the head and the top of the piston and valves is chewed up bad. Some of the marks are a mm deep into the head of the piston... lol This is why I always steer people away from them. Maybe I just happen to see the rare occurrences of these plugs failing. Anyone else have any good/bad experiences with these plugs ? regardless i only run TR55's
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1998 TransAm : LQ4-LS6 Intake-LS1 Heads-QTP longtubes-A/C Delete- Blowmaster exhaust- ZR1 Rims-Bunch of random free mods... MAF port etc and Custom turn signals lol. Most importantly Tuned by SlowHawk.
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