So rumor has it the van will get the 6.6 gas for 2021 to replace the 6.0. Looks like the transmission will still be the 6 speed. I am wondering if this combo will push 20 MPG on the highway ? The highest I have seen so far in 4x4 trucks with the 3.73 gear is 16-18 MPG highway.

Proper way to check balance rates.... applies to all 2001-2010 DURAMAX's, LML's are as of yet unknown to this testing. It drives me nuts to hear people say there balance rates are good, so how can they have bad injectors? Well they might THINK there balance rates are good, but in reality they...

Van front crossmember & suspension - stock vs Quigley 4WD Stock front bolt-on crossmember (front view): Quigley 4WD front bolt-on crossmember: Stock front bolt-on crossmember (rear view): Quigley 4WD front bolt-on crossmember (rear view):

Very simple- What did you do to your LBZ today?

Hey LBZ/LLY Guys - we're experimenting with a new idea of each individual forum having it's own dedicated photo sharing (or bragging, if you wish!) thread. This gives the communities that tend to develop around each engine forum the opportunity to share pictures of your ride without having to...