The LLY swap if you seen or read the thread titled I've seen the impossible
http://www.duramaxdiesels.com/forum/showthread.php?t=16887
Lots of info there. As far as cost all depends on what you can find for parts. If yo can find a set of LLY heads and injectors on the cheap you got it made. If not gonna be a bit pricey.
http://www.duramaxdiesels.com/forum/showthread.php?t=16887
Lots of info there. As far as cost all depends on what you can find for parts. If yo can find a set of LLY heads and injectors on the cheap you got it made. If not gonna be a bit pricey.