Cat C16 block running C15 (6nz) turbo and ECU

Walk away.

 

Hi Guys,
looking at upgrading the turbo, was thinking of going a bully dog turbo and ecu with a watchdog.
does anyone have any better options or have/had bully dog setup on there c15?

 

don't use the bully dog rubbish. it stretches the pulse width of the injector to add fuel. thus still delivering fuel as the piston is still travelling down the bore. this causes excess carbon, and cylinder wall washing.

if you want more power and fuel economy given its got ally skirt 5.5 inch C16 pistons I would recommend a set of calibrated and flow matched 2.82kg/min standard flow 10R8501 or 2533023 injectors with a borg warner 0001 750HP billet when turbo.

that combination with the factory 600 or 575 7CZ C16 file will work wonders for power and fuel economy.

if you really want to turn the fuel up the "correct" way then bigger 3.07kg/min 10R8502 or 2533024 injectors are the answer. it can deliver the fuel at the correct time allowing a proper burn, as opposed to shoving it in through a small tip over a long time, which is what the aftermarket rubbish does.