FrankenBird
Registered User
i have read over and over oem motorcraft platinums, well my old ones were old so i replaced with brand new ones propperly gapped and all and i had a high end missfire, evently taht day a blown HG..now, i have ALWAYS used bosch platinum 4's..ya know? the ones with the 4 prongs and ddont gotta gap them..has anyone run these in their supercoupe by chance? im doing hg's and getting all new parts for when i do them and i dont wanna put in new plugs twice and have missfires twice..what about the e3 plugs? but i mainly wanna know if anybodys ran the bosch platinum 4's....