1994 N14 350 HP to 500ish HP, what's needed?

One of the trucks decided to lay down yesterday (#4 piston we think). It did have some blow by and was burning some oil, so not totally unexpected. It's in a quad axle dump and is fairly under powered @ 350hp, so that brings me to what all would be needed to increase it to around 500ish hp.

Any and all suggestions would be appreciated.

I have 3 options as I see it

1. Rebuild the current engine
2. Buy a 500 hp N14 that needs to be rebuilt and rebuild it
3. Put in a rebuilt Detroit

 

The first portion of your comment isn't a problem.

On the 2nd portion, that's what I'm looking for.

thanx

 

But does the rebuild for more hp require different pistons, injectors and turbo?

They've all been replaced over the years and that isn't an issue. I appreciate it being pointed out though.

Thanks

 

Yeah, but I don't have that exact info, so thus the reason for my question. Trying to ask the cummins dealer/service here, but so far. . . . . . . . .

 

can you elaborate? PM me if necessary.

thanx