Allright, the larger K&N oil filter did help a little bit, but still, the temperatures are high. I am now putting in a cooler and routing the oil lines
View attachment 119516
For some reason, I thought it to be a good idea to pull the oil filter adapter and check its bypass-valve. Two things:
1) There was no gasket between the adapter and the engine
2) The bypass-valve loos pretty beat up. Compared to a new one I had in stock, I doubt that it should look like this. Right side is the new one, left side the old one.
View attachment 119517
Just a thought- I'm thinking of the things that might elevate oil temperature; things work the oil such as pressure, pumping, normal heat absorption or an abnormal source such as a leak of exhaust into the crankcase or even the valve train area, bearing clearances too tight, oil pumping system restricting flow somewhere, crankshaft windage... You are intuitively on the right track it seems. You may want to investigate just how bad it would be to drop the pan to get at the bearings. I once did a 289 installed in a Mustang. Not exactly a pleasant experience, but it had a rope rear main seal.Allright, the larger K&N oil filter did help a little bit, but still, the temperatures are high. I am now putting in a cooler and routing the oil lines
View attachment 119516
For some reason, I thought it to be a good idea to pull the oil filter adapter and check its bypass-valve. Two things:
1) There was no gasket between the adapter and the engine
2) The bypass-valve loos pretty beat up. Compared to a new one I had in stock, I doubt that it should look like this. Right side is the new one, left side the old one.
View attachment 119517