<VV> General oil question for Turbo owners only

[MarK Durham]

Carlton, not  turbo Corvair owner but we used a 20w50 oil in all our turbo
aviation engines that run in the same cht and oil temps a Corvair engine
runs at. . Its the perfect viscosity range for the hotter running turbo
engines.

Mark Durham Hauser Idaho
62 2Door Coupe 4speed Red/Red
On Jun 25, 2014 9:43 AM, "Carlton Smith via VirtualVairs" <
virtualvairs at corvair.org> wrote:

> Hi Guys!
>
>
>
> I have been a 65 turbo owner for a few years now (2008). I used 20w- 50 oil
> in the beginning as a few of the books said it was preferred for turbo
> engines. I went to all synthetic within a year or two simply because of the
> non-coking advantage for the turbo itself [AMSOIL AMO 10-40 and it has
> sufficed ZDDP]. I had  the engine rebuilt back in 2012 and now about 29000
> miles ago and am wondering if I might switch to 20w-50 again. AMSOIL offers
> a very good ZDDP rated oil in that weight now.
>
>
>
> What has generated my thoughts is a statement lately in the thread about
> lifter noise and someone said the heavier oil aids in making the valve
> noise
> quieter. I do notice my engine is pretty quite valve wise when cold but
> gets
> up to running temperature it does get clicky.
>
>
>
> So you turbo owner's what weight oil do you use these days?
>
>
>
>
>
> Thanks!
>
>
>
> Carlton Smith
>
> Indianapolis, IN
>
> Circle City Corvairs Club
>
> 1964 Corsa convertible, 180hp turbo
>
>
>
>
>
> Carlton B. Smith
>
> 2175 N. Irwin Street
>
> Indianapolis  IN  46219-2220
>
>
>
> (317) 697-0318 mobile
>
>
>
> carlton55 at comcast.net
>
>
>
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