| I've measured it at several locations. Typically I use the sump, though in 
the Spit I used the oil send line to the filter (there was a pre-tapped fitting)
I'd guess most of the folks doing serious work measure it somewhere in the 
enginge, but w/o blocking the flow, it can be tough.
bob
> 
> Most people to my surprise seem to measure the oil temperature in the sump.  
> I am also in the process of adding an oil temperature gage and sender, and 
> will be interested to see other responses on this subject.
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