I know this is kinda old post but what about SDI?? (Sierra Diesel Injection)
I know they have a dyno but I have know idea what capabilities it has. They were the first place in town that could smog these guys when they started.
I would love to put my brothers 98 12V on a dyno with his 0 plate and see what kind of ## it could put up
Chris
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08 3500 6spd auto 4x4 custom Proline flatbed
Edge Juice w/ Attitude, 4" H&S delete, EGR delete
Ride rite airbags with onboard air