Thanks for the information. It looks like I could go another 150000 miles and decide then. But to spend close to $10000 to replace a motor I might as well upgrade to a 570 at that time with a 100000 miles on it. I will change the oil more often. I thought full synthetics would go 25000...
I have a lx470 with 140000 miles on it. It runs great and all the maintenance is up to date. I am running full synthetic motor oil and change every 15000 miles. I am looking to the day when I will need to replace the motor. Does anyone know the feasibility and expenses related to this job?