#21532, "RockAuto is a sponsor of Public TV's, MotorWeek"
The amount of zinc and phosphorus in motor oil was reduced even further with the latest API "SN" standard. Is there still enough zinc and phosphorus to protect engines from excessive wear? How about older engines, newly rebuilt engines, or engines with flat tappets? Should car enthusiasts look for ancient bottles of motor oil at estate sales? MotorWeek's master technician Pat Goss provides the answers in this four minute video: http://www.youtube.com/user/RockAutoLLC?feature=mhum#p/u/6/xILCJc2o_L8
#21533, "RE: RockAuto is a sponsor of Public TV's, MotorWeek" In response to Reply # 0
Excellent! This is a subject that has come up several times in the Chat.
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'95 Eclipse TurboGS (garage deco) '95 TSi AWD (restoring a survivor) '97 Talon ESi-T (poor impulse control) '99 Eclipse RS-T (daily beater) '13 Evo X (mostly stock) '17 Sienna (Middle Aged Dad Mobile)
