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sixaddict |
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#1
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Senior Member ![]() ![]() ![]() Group: Members Posts: 811 Joined: 22-January 09 From: Panama City Beach, FL Member No.: 9,961 Region Association: South East States ![]() ![]() |
I was talking to a non Porsche engine building /machine shop yesterday and he told me new oil formulation regulations means we need to add zinc additive in older cars
Any one out there have knowledge ( versus opinion) on this. I use Brad Penn but he seemed to indicate this is industry wide. He was not trying to sell me anything |
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mepstein |
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914-6 GT in waiting ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 19,325 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region ![]() ![]() |
I just follow what most of the best Porsche engine builders in the business recommend. Understanding and hard data are secondary.
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