RL 5W20

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11,006
Location
Canberra ACT Australia
There are excellent RL UOA's hre. One that always springs to mind is Tyrolkids 5W40 from his high HP turbo. Also there's a really good 5W30 one here somewhere. A problem with RL is most run it once and move to something else and RL does soft metal cleaning and subsequent UOA can appear ordinary. Few run RL for trending which is a shame IMO.
 
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