Originally Posted by dinan e39

How is a 4.6 motor proven over a 4.8 motor? Both have achieved similar mileage. The M62TU seems to have the timing chain guide issue and the N62 hasn't shown any significant signs of failure in that area. In addition, the 4.8 has superior gearing. I'm not trying to talk you out of the 4.6, but rather trying to convince you each has their respective advantages.