question:what's the difference

来源: 于 2004-10-04 10:32:22 [旧帖] [给我悄悄话] 本文已被阅读：次

between 1-point spark plug and 4-point spark plug (not the price.)?
Will 4-point one give more power and consume more gas?

Is Bosch platinum spark plug really bad?

Thanks,