Rob,
The little SBF pencil dist/
oil pump drive, I dont have one of those in my engine due to pump being belt driven, its all relative hp loss, and running -12 lines everywhere and trying to keep all Aeroquip smooth flowing fittings to try and optomise the system.
I have seen a lot of cars with ext
oil coolers and there doesnt seem to be a problem with the
oil pumps, maybe a higher volume pump is fitting on factory cars with coolers, oil pressure loss is more to do with leaks or engine clearances, but guys notice losses after they fit these coolers so who am I to say..!
Fastd,
Canton T/stats dont open until the oil hits 215f so thats hot enough for oil to operate efficiently or at least it gets rid of moisture from the oil. Oil is hotter at the crank etc where friction heat is generated, and returns to the main oil gallery a lot cooler maybe. I have an oil temp sender in the oil tank so I will be happy if thats no more than 230f.