Posted 1/31/2011 14:12 (#1583489 - in reply to #1583337) Subject: Re: Triton 5.4 longevity?
WY, OK
250K isn't a problem as long as the spark plugs stay put. Mine had 240K and was fine except for that same plug spitting out twice. The 4.6L's last hundreds and hundreds of thousands of miles in taxis and patrol cars and it is more or less just a smaller 5.4L.