Posted 12/6/2010 16:35 (#1471239 - in reply to #1470639) Subject: Re: C-15 / 3406E Best Years
The Breakfast Club
Look for the 6NZ-C15. I believe somewhere in the late 'E' models, the block was beefed up considerably, most noteworthy was the removal of the cam tunnel. Some of the early 'E' models had issues with the block cracking near the oil cooler.