[T3] 73 T-3 oil temp?

William Jahn willjahn975 at gmail.com
Fri Sep 10 11:56:29 PDT 2021

I know of Farm and Fleet, they are only in the midwest , I went there when
I lived in IL.  It was at least an hour's drive one way. Mainly got
batteries for my car there.

 As far as oil , all I have in hand is Valvoline SAE 40 , it's not the
racing oil , it does have 760 ppm zinc , a bit more than half the amount
the VR1 has. I've already used a quart to add to the VR1 because it leaks.

 I tried to test the VDO oil temp sensor at 212 F yet the readings were all
over the map so that test doesn't help. The only other thing I'd like to do
is just check the cooler bypass relief valve. I read quite a bit on it and
since the spring it has to be 40 years old because I used the one out of
the stock engine. From what I read, if the spring is weak or the valve
sticks oil could bypass the cooler . The piston has to be at the top to
block the bypass port . I do have 2 NOS springs and one new piston. All I
did was use a new piston and the old spring. I don't have any way to check
the old spring yet I can compare the uncompressed length with the new one
and see how they compare when I compress them by feel. Also fit the new
temp sensor that fits the relief valve just to see how it reads and reacts
compared to the one I have in the sump

On Thu, Sep 9, 2021 at 3:01 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 9 Sep 2021 at 11:03, William Jahn wrote:
> > Here where I live there exist only 2 auto parts stores AutoZone and
> > O'Reilly . AZ mainly carries synthetic oil and as for or any with zinc
> > Valvoline 20/50 is it and they have no zinc additives, very little
> > conventional oil other than STP in SAE 30 and 40 . O'Reilly has better
> > selection trouble is it's in a very bad area.
> I think SAE 30 or 40 are probably both fine for you, but 50 is going
> overboard. Straight weight oils are hard to find these days, and you
> probably
> don't need multiweight living where you do. Here in Wisconsin I can get
> stuck if I have SAE 40 and the temp suddenly drops to zero. BTDT, don't
> want to do it again. OTOH, my Type 3s seldom see those temps any more.
> There are often better shopping options than auto parts stores. I buy
> store
> brand Diesel 15W-40 at a local place called Farm & Fleet. Comes in 2.5
> gallon jugs for about $22. There's a chain called Tractor Supply which you
> might find closer. Look for places that sell to truckers. I can find the
> Lucas
> ZDDP additive at my FLAPS.
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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