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International Automotive Technicians Network
Re: What oil for use in old cars?
Posted to Technical Discussion Forum on 8/16/2022

Hi Scott,

Good engine assembly lube is a plus.

Use a quality 10W30 and follow the Cam & Lifter break in procedure. This is the most vital step in any new engine break in. I typically use Pennzoil or Castrol. Run 500 miles at moderate speeds and then change... Login to read more.