Hi Kim...Your assumption is correct..You will get a 'spit and bubble' return once the return side of the pump has scavenged the crank case....Everything will settle down once the engine is running and the oil gets hot...Ian

email (option): ian@wright52.plus.com

Thanks Ian for your reply, I was a bit concerned but you have put my mind at rest.

email (option): tknalder@iinet.net.au