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Do older cars require a zinc additive or an oil with zinc in it?

 
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24/03/2021 6:00 pm
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Scotty love your Youtube channel.  I have a well maintained 85 Corvette with 75000 miles.  Changes are done yearly with yearly mileage of 1500 to 2000 miles a year.   I was told that older cars require zinc to protect the engine.  I also read that zinc was reduced in oil to save catalytic converters. Does my Corvette require a zinc additive or high zinc oil?  Thanks Eric Cinnamon


ezridr40 
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24/03/2021 6:14 pm

Hello,

I would say a LED additive in your Fuel Tank may be beneficial, I have added a link below for information purposes.

All The Best.

 

Link :- https://www.corvettecentral.com/c3-68-82/fuel-system/crossfire-fuel-injection/fuel-additive-lead-substitute-redline-12-oz-bottle-351094


DV KALAR
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24/03/2021 7:39 pm

Here's some info from a Corvette forum from a few years back:

https://www.corvetteforum.com/forums/c3-tech-performance/3402561-vette-magazine-all-about-oil-article-march-2014-a.html

Here's information from Mobil, including a link to a table listing zinc and phosphorous levels in their Mobil 1 products:

https://www.mobil.com/en/lubricants/for-personal-vehicles/auto-care/all-about-oil/ask-our-auto-experts/has-zinc-been-removed-from-motor-oils


Chuck Tobias
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