570,000 on my 06 chevy 4.8...still uses 0 oil between (10,000mi.) Changes...17-18 mpg....get 250,00-300,00 out of the plugs/wire...dont see any upside to diesels anymore..maybe fuel milage but @ $.70-1.00 more per gallon...its a toss up..
.think of it this way...reasons diesels lasted longer...