<VV> Oil temperature?

john beck jb30343 at windstream.net
Thu Oct 26 15:29:45 EDT 2017

I wonder what the oil temp is at the point where it exits the 
turbocharger.  --J.B.

Jim Simpson via VirtualVairs wrote:
> For what it's worth, I have a '66 turbo with an oil temp gauge sender
> installed in the back of the block.  That puts it near the top of the oil
> in the sump -- normally that's the hottest point in the oil.
> The engine has the standard oil cooler with end plates plus Otto Parts oil
> pan and valve covers.
> It's not a calibrated gauge, just one I purchased 20 years ago from Clark's
> so I can't vouch for its accuracy.
> That said, the oil temp gets up to around 240 in local driving including on
> the highway.  On longer runs at highway speeds it will edging toward 250.
> I don't think I've ever seen it hit the 260 mark.  (The gauge is marked
> 100, 180, 220, 260 and 340 so any reading is only approximate.)
> I use Mobil 1 synthetic oil, 10W-30 and as Seth says, it should be fine to
> 300 or so.  I've not seen any indication that the oil is breaking down.
> The oil pressure is stable.
> So if you are worried about oil temps, switch to a synthetic and relax.
> Jim Simpson
> Group Corvair
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