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Check and clean the engine grounds near the starter 15/16 bolt head with a bunch of wires bolting to the block!

LAST RESORT! Throw parts!

yup Think your on a head trip!😡

Just to add a comment to add here do you notice if your missing any accessorys like the heater fan the relay may not be working!

If It were Valves or a power leash stuck I would expect to see some smoke of some sort blu fuelly smoke lack of compression or Black Over fueled (stuck injector tip!) Just my opinion!

Piston oil squirters Quite professional sounding !AH Bla bla bla! mindless bibel babel . Bullshit slingers ! Manure spreader ! 😁

James ! Alt ,water pump and AC the wide pulley usually the fan!

Oh ya seen it happen looked good on that guy too he was one of those that could do no wrong in his own mind! He found the issue next oil change thou! 😂

Check the compressor inlet hoses as well 1 inch hose At the bottom rear of the inlet manifold And the most common Failure is the one @ the compressor head!

Bit of an Eye opener for me Never see that Happen!

Thanx For posting your fix Bro!

That is a provision casting for a wet clutch option which that truck is clearly not equipped the bottom cover has a grease tube hanging out!

We have sold a fare few units of this in version One ! This here appears to be a much better version over the first version of this unit ,the torque arms on version one, were always coming loose at the axle end! The dog bone at both ends of the torque arm appears to be a an much needed upgrade! See how it goes !

Think you got to do a learned data reset on this!

It can !How ever if you catch it soon enough your best case senerio is to ! replace PISTON ,LINER ,HEAD, most likley TURBO and possibly oil pump! Its a fairly pricey fix! because the piston is skirtless valve peices cock piston to one side when it gets to the top and the small piston skirt area cracks the liner when it cocks! we have Seen this happen a few times now ! Its not a frequent thing like cups or anything , just a happening!

Lot of changes bolts are just the begining

same fix!

Nope never heard this , But Better than nothing I suppose! At Least there still attempting to remedy the injector dance syndrome ! A crush sleave injector humm 😂 one time use I suppose? A decent sized hold down bolt might help too ! How ever if it works they will likly use up all the old stuff on the Mack side just to make it Look Bad i'm sure ! 😡 Seems like that's how it goes anyway , Not implying anything! 😑 Just sayin!

Not sure they are offering hydraulic Brakes or not how ever if not this will make there market way smaller in my region !

Not easy to diagnose ANY physical stuff on this junk ! Were chasing exhaust gas in coolant ! Spin the wheel of fortune ! Is it cups NO ! Is it injector seven ?NO is it EGR cooler ? Is It the turbo NO ! Then I guess were PULLing the head!

So is the engine assembly plant right next to the FAB SHOP COME ON! Give me a break!

If the engine has a plastic return line to the head I would check to see it isn't worn thru or the ends arn't loose on the barbs also check the jumper line between the valve covers the orings sometimes leak! Injector orings can sometimes cause this issue as well!and of coarse the transfer pump! check the easy cheap stuff first the pump ain't cheap!

Nope manifolds are in good shape!

Brenners was just the Ac cam as well. The hours speak for them selves!

Hes having the mod done himself ! Can't tell ya that at the moment I will ask! You are correct the turbo inlet is restrictive I agree with your prognosis AND I'm not positive he isn't having other mods done! As Zak stated His boost is at a more normal 33 Usually you got to add fuel to get boost ! So that said Unless I'm getting BS Numbers on the boost! I have to see ? I will see what kind of pyro he's seeing? All this is here say At this point! It Maybe his 42 is actually 32 in which case Its in the ball park! I would like to drive this my self and see what is actual happening ! I'm wondering if they are not giving the turbo a chance to cool after a work out causing this life shortening of the turbo ! Also! If this thing was over fueling I would expect to see Blue Manifold and turbo snail evidence! These look normal they haven't been getting hot! how ever if it is ramming air in at 42 psi we might not see this heating evidence ! Just my observations!