SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: pthomas on February 18, 2014, 10:16:20 AM

Title: shell rotella question
Post by: pthomas on February 18, 2014, 10:16:20 AM

Got an oil question for you all, I've been running Penn Grade 20-50 in my BBC and was thinking about running shell rotella 15-40 because I hear rumor it has high zinc content and is flat tappet came safe. But then I've heard they've taken a lot of the zinc out of it.

Title: Re: shell rotella question
Post by: rush1 on February 18, 2014, 11:10:10 AM

Zinc is out of it .Go Lucas marine 20w50 or valvoline racing oil if you want high zinc content.

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Title: Re: shell rotella question
Post by: pthomas on February 18, 2014, 01:12:00 PM

Cool thanks man!

Title: Re: shell rotella question
Post by: BIG JOHNSON on February 18, 2014, 05:39:17 PM

I will be using Joe Gibbs "driven" oil next time I change oil.