13-04-2013, 09:32 AM
HDis blowing rods is 100% NOT comparable to XUDs blowing rods - the combustion process and peak cylinder pressures occur at vastly different rates, this is what damages the rods - if you didn't have to have all that massive cylinder pressure before TDC to get the fuel to burn, the rods would be fine to silly power levels.
"HDi" Rods are different - yes the part numbers are the same, that is more than probably because it's easier to stock one part... I've seen people pop HDi rods, but then my engine making over 300lb.ft which as far as I'm aware, no one's actually produced more for any prolonged period of time didn't blow stock XUD rods - so it's very much luck of the draw. I'd say HDi rods will last longer and you can guarantee NO issues with bearings as they are a SIGNIFICANTLY better design.
"HDi" Rods are different - yes the part numbers are the same, that is more than probably because it's easier to stock one part... I've seen people pop HDi rods, but then my engine making over 300lb.ft which as far as I'm aware, no one's actually produced more for any prolonged period of time didn't blow stock XUD rods - so it's very much luck of the draw. I'd say HDi rods will last longer and you can guarantee NO issues with bearings as they are a SIGNIFICANTLY better design.
