What is 6NZ?

It's actually just spelled with one C, ACERT, stands for advanced combustion emmission reduction technology. These were later versions of the C15, they run a higher compression ratio, twin turbos, and have a variable valve mechanism. They are also a hybrid of sorts, they use the C16 crankshaft, and the C15 pistons for a displacement of 15.2L, and are considered to have the most robust rotating assembly, with the use of 4 bolt rods and monotherm pistons.

 

Cody, you were paying attention in Cat school...
excellent description and post, thank you

 

Nah, I just spend to much time on the Internet. LoL

 

I didn't know that about using a C-16 crank. That's pretty cool. I knew the bottom end was pretty stout, but that makes it even better. I like my MXS. Just can't wait till I can do all the stuff Mr. Haney has suggested.

 

And technically the turbos on acerts are compound not twins.

 

I really want to smack the crap out of you! It's all terminology! If you were born with a twin sister, techincally your not identical but your still twins!:smt064

 

I'm not sure if it is the exact same crank, but it is a 6.75" stroke the same as the C16.

 

Thank you. The engines that have parallel twins on them are still considered to be twins, the compounds could also be called series turbocharging as well.

 

I perfer to call them staged

 

That some funny #### right there!!!!!!!!!

I prefer to call'em a pair of high priced mofo's.
By the way Mr H you got a fine lookin Pete.