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Oil viscosity (weight) for model A
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02-21-2018, 12:57 AM
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cw253748
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Join Date: Nov 2012
Location: Clinton, WI.
Posts: 49
Re: Oil viscosity (weight) for model A
Hi Al. Your car doesn’t need the zinc additive. It was more for cars in the 40’s and 50’s etc. with stiffer valve springs.
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