Engine oil issue |
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Engine oil issue |
sixaddict |
Jul 29 2017, 07:28 AM
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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 |
GeorgeRud |
Jul 29 2017, 09:18 PM
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#2
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Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
I'd heard that even Rotella had changed formulations though it was a go to oil for many. Besides valves, the cam lobes need the ZDDP in flat tappet engines. It's also best to use an oil with appropriate ZDDP levels rather than trying to blend your own with additives.
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