Forum Discussion
Turtle_n_Peeps
Sep 01, 2015Explorer
FishOnOne wrote:Turtle n Peeps wrote:FishOnOne wrote:jus2shy wrote:
Surprised that the final mass is 800 lbs. That's pretty darn good. Also surprised that on another video, they stated payload of the Titan XD to be north of 2,000 lbs. So that payload and 12k towing is perfect for those that want a smaller 5'er or travel trailer. I think Nissan has targeted the right group. I also love how simplistic the compound turbo setup is. The turbo assembly only has 4 moving parts counting the wastegate, M2 turbine nozzle, and the turbine/compressor wheel assemblies for both turbos. Far more elegant than International's attempt with the VG turbo and large fixed turbo. Hopefully it works out in the real world as well.
Surprised Cummins used only 4 head bolts per cylinder and all that chain on the front of that engine is crazy.
What's wrong with 4 head bolts per cylinder? Ford ok'ed the use of that design in all of the 6.0 engines that went in their trucks. GM also had only 4 bolts/ cylinder in their 5.7 diesel and it was.....
Oh.............hmmmmmmm..........I see your point now! :B
As far as the mile long chain goes; what's wrong with that? Again Ford used that design with their Ecoboost and they had............... oh...........hmmmmmmmm...........I again see your point. :B
FYI you can have 6 head bolts/cylinder and still have head gaskets blow... i.e. 6.7 cummins.
I totally agree.....................when you put 100 lbs of boost to it!!!! Pop goes the weasel!!!
Last weekend I raced this old Cummins with a bunch of real nice head studs holding the head down. Guess what happened? Yep, pop goes the weasel!!! Or in this case, the head gasket. :B I don't know how much boost he was running on my run but a few weeks ago it was 147 LBS!!!! :E
As far as the chain goes. My chain was JUNK on my 6.5 diesel at 130K. And this engine still had cross hatch marks in the bores and the lower end bearings looked like brand new. The heavy valve spring pressures and the HPFP load just eats these things up. Anybody know what the heavy duty option for the 6.5 diesel was to drive the cam? Yep, gear to gear.
There is a reason heavy duty diesels go with gear to gear and stay away from chains. Chains are for bicycles! :B
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