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Vincent oil temperatures in real time

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Kansas Bad Man

Well Known and Active Forum Website User
Non-VOC Member
One of the most misunderstood every day maintenance things concerning your Vincent is the best WT of oil to use winter/summer for best oil temperature and lubrication. Trever did a extensive study on this subject. The study will start you thinking. Now we have to get Trever to post the study

Max.
 

ClassicBiker

Well Known and Active Forum Website User
VOC Member
I for one would be interested in seeing it. I bet the guys involved in the Irving-Vincent have some interesting info on heat distribution, oil temps, and lube as well.
Steven
 

clevtrev

Well Known and Active Forum Website User
VOC Member
What you have here is a chart that should be self explanatory. They were taken at a Liphook meet in the early eighties. I`ve put some Fahrenheit conversions over to the right for those unused to Centigrade. The ambient air temperature that day was 8-10 degrees C. The day following I contacted Filtrate, to ask some questions, and maybe get some answers. After a discussion and a lecture on Centistokes, I asked what, in view of the figures I had given, we should have been using. The answer, Straight 10 !
oil temps.jpg
 

Kansas Bad Man

Well Known and Active Forum Website User
Non-VOC Member
Thanks Trever, At Bonneville I use 0 wt and pre heat, just started doing that last year, Its BRAD PENN OIL

Max
 

Prince Duster

Well Known and Active Forum Website User
VOC Member
Thanks Trev. I think I was at Liphook when you took the measurements, with the old man Alan on his Prince and me on my Ducati Pantah, Ken, Tony, Pete Ross etc. So - this suggests, slow-revving Vincent twins rarely get to 'working temperature' in the south of the UK in the summer with conventional oil weighting? Therefore, if using straight oil as I do now, say 20-w in the winter, and 30w in the summer? Or higher figures? Best wishes, let us no-engineers know. Dave Lancaster
 

redbloke1956

Well Known and Active Forum Website User
Non-VOC Member
Hi Trev, in your opinion how much difference would an ambient temp of say 30c make to those temps, I am still running in my Comet and am reluctant to ride on days when we are above 35c, I fear a synergistic effect on overall engine temperature. (being very cautious)

Regards
Kevin
 

vibrac

Well Known and Active Forum Website User
VOC Member
Certainly its been a long time since I used 40 thanks to the two strokes of yesteryear I can now use 30 at least those stink wheels achived something
(R of course):rolleyes:
 

Kansas Bad Man

Well Known and Active Forum Website User
Non-VOC Member
The R of yesterday aint the R of today. 250 stink wheel makes about 80 HP, about the same HP as a well tuned 1000 lightning. Hay honey , where is the remote , the ball game is about to start! :)
 
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