My 400 based 512 stroker is in need of some oil system upgrades. at the very least i need a different oil pickup to clear the crank and at most id be getting a billet oil pump cover and going to an external pickup. the motor might see 7k rpm down the road with some other upgrades so what should i go with? would a high pressure low volume pump be enough? also ive been wondering if i should get an oil cooler.