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Engine Oil

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Engine Oil
#1
  This topic is about my 1967 Sunbeam Alpine
67Survivor Avatar
67Survivor Rob F
Victoria, BC, Canada   CAN
I am wondering what engine oil everyone is using in the 1725cc engines. The specs in the owners manual state to use Shell X 100/40. I have found that Shell X100/30 and 20/50 are available again as of last year, but I can't find anywhere to purchase it other than online. Apparently the modern oils are hard on the valves etc. Any advice or opinions would be appreciated.

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TomSunIVGT Avatar
TomSunIVGT Tom McVicker/T
Bay Village, Ohio, USA   USA
Hey '67 Survivor Rob's car!
I've owned my 1964 Series IV GT since 1965 and started using 10 - 30 but changed to 10 - 40. However, the past few years it's been blowing a little oil. When I had it in for timing issues the mechanic, who owns a Spitfire, put in 20 - 50wt. No longer does my car blow oil! This fall in October I will change back to 10-30 because I always drive or at least run the motor during the winter. Being British all fluids will leak if not used. While I do not drive in snow and salt I do take it around the block during sunny clear roads days once a week or so.

Ex Pat Avatar
Ex Pat Anthony Boothman
Barrie, Ontario, Canada   CAN
I use Rotella T 15/40 because it has ZDDP zink addative , it's a diesel oil.

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