Testing the Oil Thermostat in your Air-Cooled Porsche Engine

Today it is a short lesson about the oil thermostat.
We tested this with a heat gun to see that it started moving at the correct temp, give or take, and that it also closed again.
We have seen the use of sealants here and this is a big NO-NO. Please just lubricate the o-ring and tighten it to the correct torques.
We continue to add oil fittings and in our next lesson, we put in the timing chain guides.
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[@nicolasc5331]

best porsche channel ever !

[@klassikats]

thank you , glad you like it

[@johnfreeman1189]

Love this channel.... Thanks for sharing!

[@klassikats]

Glad you enjoy it!
and thanks for watching

[@dennisvogel]

For the camshaft oil line fitting, are you using the one with smaller orifice? There is some discussion that it might minimize oil foaming?

[@klassikats]

I do not use them on early air cooled engines. The only car they are supposed to be used on is the late turbo engines
Kurt

[@ovdis]

Hello. What if I suspect that my thermostat is stuck open? Is it somewhat rebuildable, or should I buy new one straight away? My engine struggles to reach operational temperatures, when it is 10⁰C or below. No overheating issues. I plan to have access to it when changing fuel lines, so contemplating, what would be the corrext approach to this issue.

[@klassikats]

These are not rebuildable and can only be replaced if not functioning correctly.
Kurt

[@ovdis]

@@klassikats Thank you for the reply. Would you think that my assessment on engine warming-up issue is correct. Also, from your experience, should these engines have no problem warming up when operating in temperatures 10C (50F) or below?

[@klassikats]

So they will take a long time to warm up in cold climates. We live in a place that the temperature in winter can be below 0F and a normal winters day wont get above 25F. When driving our SC on those days it is rare for the front oil cooler to open and it takes a long time for the temperature gauge to register a change in engine temp. This is pretty normal for an air cooled engine.
Kurt