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Author Topic: Recommended engine oil for W187 and W188?  (Read 984 times)

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Offline fj76

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  • 1954_220 Cab A
  • Year_Model: 1952_300S CAB A,1960-190SL,1955 300SC roadster
Recommended engine oil for W187 and W188?
« on: December 26, 2008, 08:11:51 PM »
Hello,
I would like to know what is the ideal engine oil for the W187(newly rebuilt engine) and W188(over 50k miles). Since the original SAE20 is difficult to find, would 20w50 be better or SAE30?

Thanks.

Offline John Ellis

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Re: Recommended engine oil for W187 and W188?
« Reply #1 on: December 26, 2008, 09:15:51 PM »
10W40 or 20W50 depending upon your climate.
John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline fj76

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Re: Recommended engine oil for W187 and W188?
« Reply #2 on: December 29, 2008, 07:30:37 PM »
Thanks

Offline PPATEL

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  • VIN #: 187 011 00160
  • Year_Model: 1952 w187 - 220 Engine 180.920
Recommended engine oil for W187
« Reply #3 on: September 02, 2020, 03:35:25 PM »
Would someone be kind to help give me some technical recommendations please... I have just had my engine fully rebuilt. looking for suggestion on whether to use Full Synthetic 10W-40 or other recommendation with viscosity or traditional mineral oil. Thanks in advance.

Offline Scott Montoney

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Re: Recommended engine oil for W187 and W188?
« Reply #4 on: September 02, 2020, 08:38:30 PM »
I've been using a 20W-50 Racing oil in my engine due to it having a higher concentration of ZDDP additive that is supposed to provide better protection for the valve lifters. 
Here is what I copied off the web site.  I happen to have a local dealer near my home, so it is easy for me to stop in a buy a case.
I have no idea what is available in your area.

PENNGRADE 1 PARTIAL SYNTHETIC HIGH PERFORMANCE OIL SAE 20W-50
PennGrade1 Multi-Grade High Performance Oils are specially formulated using high quality PennGrade base stocks and select additive technologies to meet the stringent lubricating demands of high-performance, highly stressed, street and racing engines.

PennGrade 1 Partial Synthetic High Performance Oils deliver excellent shock load and high temperature protection to heavily stressed engine parts including bearings, camshafts, rings, and pistons. They reduce internal friction for increased horsepower output while maintaining their strong lubricating film protection even under the most demanding torque and extreme temperature conditions. These high performance formulations also provide good anti-foaming and shear stability characteristics, excellent high temperature protection from thermal breakdown, outstanding film strength, and strong anti-wear properties.
"Gertrude" a.k.a. "Troidl"
1952 - 220 Cabriolet B

Offline PPATEL

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  • Year_Model: 1952 w187 - 220 Engine 180.920
Re: Recommended engine oil for W187 and W188?
« Reply #5 on: September 03, 2020, 05:04:52 PM »
Thank you Scott, will look to order it on the net. Really appreciate your advice.