Swap a K2 or T1xx Engine & Trans into 2008 Vmax?

Spurshot · November 27, 2022

My brother bought my 2008 Vmax and has run it up to about 300,000+ miles. The AFM lifters have about done in the 6.0L engine. Just wondering if a later LS and 6 or 8 speed trans would interface with the truck, if the donor vehicle engine/trans harness and PCM was used?

CamGTP · November 28, 2022

The T1 stuff would be near impossible with the more lock down computer and the completely different CAN-BUS system.

The K2XX stuff would be easier because tuning the computers is easy but you will still not have many functions of the truck. Like ABS, traction control, dash function won't be there because of the different generations of controllers and CAN-BUS.

It's a pretty big hassle for either to be honest.

Spurshot · November 28, 2022

3 minutes ago, CamGTP said:

The T1 stuff would be near impossible with the more lock down computer and the completely different CAN-BUS system.

The K2XX stuff would be easier because tuning the computers is easy but you will still not have many functions of the truck. Like ABS, traction control, dash function won't be there because of the different generations of controllers and CAN-BUS.

It's a pretty big hassle for either to be honest.

Sounds like a no-go. His next question was about a 2009 and later GMT900 engine and 6 speed. Is that a more friendly swap?

Spurshot · November 28, 2022

Cameron, BTW, thanks much for replying to this thread. I was actually hoping you'd jump in.

CamGTP · November 28, 2022

Yes, a GEN 4 V8 with the 6 speed should be easier to do. I couldn't tell you exactly all the things needed but both being E38 controlled trucks does make it easier.

Spurshot · November 28, 2022

8 minutes ago, CamGTP said:

Yes, a GEN 4 V8 with the 6 speed should be easier to do. I couldn't tell you exactly all the things needed but both being E38 controlled trucks does make it easier.

Do you think it's potentially almost plug n play? (with the 09 harness and PCM)