Motor Oil suggestions for 964
09-05-2015, 11:35 AM
#31
Three Wheelin'
09-21-2015, 01:00 PM
#32
Rennlist Member
How about Spectro Motor Guard oils...they have 20/50 available in both semi-syn and dino oils. They boast "two times the Zinc (ZDDP) and Phosphorous of normal oils", similar to Joe Gibbs. Any thoughts?
09-22-2015, 06:12 PM
#33
Former Vendor
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We offer a few selections of different oils for your vehicle. Please let me know if you have any questions or if i can be of any further assistance
https://www.carpartsdiscount.com/eng...html?3594=2272
https://www.carpartsdiscount.com/eng...html?3594=2272
09-23-2015, 04:31 AM
#34
The question I always want answered. What are the specs of the Porsche Classic 10w60?!
In recent years lots of new and interesting oils have come to the market, mainly from racing or classic applications (Motul, Millers, Joe Gibbs, etc.). As with previous cars, once the 964 is done, I will do detailed analysis of all the oils I will use.
In recent years lots of new and interesting oils have come to the market, mainly from racing or classic applications (Motul, Millers, Joe Gibbs, etc.). As with previous cars, once the 964 is done, I will do detailed analysis of all the oils I will use.
09-23-2015, 03:42 PM
#35
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After much deliberation, research and general opinion seeking I went the Millers route earlier in the year. Sooo glad I did. Long email and conversation exchanges with the Millers technician and I was in. Since making the change I read and hear nothing but good about their oil. Motorsport CFS 10w50 is where I went. I have really noticed how much the engine feels better for it after years and years of Mobil 1.
Oil temp in the hot sun stuck for 2 hours on the M25 was constant and around the 2nd graduation (90oC | 194oF) gauge marker. Worth the extra money, as engine oil should be for performance cars, it all seems smoother and more responsive on load. The nanotechnology version is more cost again but much more track/racing focussed.
For me ratified more recently when I read an article about the Tuthill 911's and all the prep work they do for the Historic Safari Rally's and cross-continent racing specials (Bjorn Valdergard, Stig Blomvquist etc); after many weeks of full on hard hot work Millers oil samples were sent out for analysis and showed no change in chemical structure, low contaminates and virtually perfect. They exclusively use the 10w60 version. That'll do nicely. Now also in the 968...
Oil temp in the hot sun stuck for 2 hours on the M25 was constant and around the 2nd graduation (90oC | 194oF) gauge marker. Worth the extra money, as engine oil should be for performance cars, it all seems smoother and more responsive on load. The nanotechnology version is more cost again but much more track/racing focussed.
For me ratified more recently when I read an article about the Tuthill 911's and all the prep work they do for the Historic Safari Rally's and cross-continent racing specials (Bjorn Valdergard, Stig Blomvquist etc); after many weeks of full on hard hot work Millers oil samples were sent out for analysis and showed no change in chemical structure, low contaminates and virtually perfect. They exclusively use the 10w60 version. That'll do nicely. Now also in the 968...
09-25-2015, 04:56 PM
#39
All have too low of ZDDP levels nowadays (less than 1000PPM). Not suitable for any aircooled engines. Only the T6 are full-synthetic, but not Ester based, so not recommendable. Stay away from that truck oil
09-25-2015, 05:36 PM
#40
Rennlist Member
I currently run Spectro synthetic 20-50. Speedsport Tuning use and recommend this oil.
09-25-2015, 06:31 PM
#41
Racer
Why would you say that? I've seen many people use the Delvac 1300 15w40 in the aircooled community. It has ZDDP of 1600-PPM. Most of them even say ok to use in gasoline engines.
http://lnengineering.com/resources/2...otor-oils/#Z12
http://lnengineering.com/resources/2...otor-oils/#Z12
Originally Posted by http://lnengineering.com
Can I use a diesel motor oil in a car?
The newest CJ-4 formulations are now limited in the amounts of Zn and P allowed, compared to the CI-4 formations most users are familiar with. If the oil says CJ-4 or LE or "Low Emissions", even if it also lists CI-4 or CI-4+, more than likely it conforms to the new, lower levels, and should be avoided unless you have a 2007 and later diesel which requires these oils. The verdict is still out in my opinion on the performance of a CJ-4 oil in our application. If you choose to use a diesel or mixed fleet oil, stick to an a CI-4 rated oil. Nowhere should the oil say for emission system protection or for use in engines equipped with particulate emissions filters. Swepco 306 15w40 is one such example of an extraordinary diesel oil favored by many Porsche engine builders. Swepco 306 has a healthy dose of boron and moly also for additional ant-wear response. Additionally, Swepco is among the minority of lubricant manufacturers choosing to manufacture and market the newer CJ-4 rated oils along since previous CI-4 and earlier lubricants to address the requirements of older engines rather than forcing backwards compatibility in fleet service. Although difficult to find, earlier CF-4 or CH-4 rated diesel oils have similarly high levels of Zn and P but are less detergent.
The newest CJ-4 formulations are now limited in the amounts of Zn and P allowed, compared to the CI-4 formations most users are familiar with. If the oil says CJ-4 or LE or "Low Emissions", even if it also lists CI-4 or CI-4+, more than likely it conforms to the new, lower levels, and should be avoided unless you have a 2007 and later diesel which requires these oils. The verdict is still out in my opinion on the performance of a CJ-4 oil in our application. If you choose to use a diesel or mixed fleet oil, stick to an a CI-4 rated oil. Nowhere should the oil say for emission system protection or for use in engines equipped with particulate emissions filters. Swepco 306 15w40 is one such example of an extraordinary diesel oil favored by many Porsche engine builders. Swepco 306 has a healthy dose of boron and moly also for additional ant-wear response. Additionally, Swepco is among the minority of lubricant manufacturers choosing to manufacture and market the newer CJ-4 rated oils along since previous CI-4 and earlier lubricants to address the requirements of older engines rather than forcing backwards compatibility in fleet service. Although difficult to find, earlier CF-4 or CH-4 rated diesel oils have similarly high levels of Zn and P but are less detergent.
09-25-2015, 10:24 PM
#42
Burning Brakes
09-26-2015, 01:16 AM
#44
Rennlist Member
https://mobiloil.com/~/media/amer/us...pecs-guide.pdf
It's one if the higher ones in their range. I'm using Mobil 1 racing 4T
It's one if the higher ones in their range. I'm using Mobil 1 racing 4T
09-29-2015, 06:40 AM
#45
Why would you say that? I've seen many people use the Delvac 1300 15w40 in the aircooled community. It has ZDDP of 1600-PPM. Most of them even say ok to use in gasoline engines.
http://lnengineering.com/resources/2...otor-oils/#Z12
http://lnengineering.com/resources/2...otor-oils/#Z12
Also, I can't find any modern oil with that high of a ZDDP level, except for break-in or racing oils.
For reference, here is the Mobil 1 data sheet for all oils, except the Delvac ones
https://mobiloil.com/~/media/amer/us...pecs-guide.pdf