World's Fastest Ram Srt10 Video (March 2011)

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The trucks in that thread have been subjected to some pretty extreme cylinder pressures, and RPM's more than stock for sure.

Nearly stock for a D-Max is over 600 RWHP. So uhhhh, I would say these cranks are holding decent. I just haven't seen any stock tuning d-maxes around here break cranks. Not sayin it doesn't happen but word travels fast around here there are more D-Maxes here than powerstrokes now working the farms and ranches. And my truck is known pretty well around here EFI decals give it away. Usually at the bars and shops I get the brunt of the Dodge and Ford boys smack talk, and cranks haven't come up...
ok.... denial?
at least 3 of the broke cranks in that thread were in STOCK TRUCKS. i am not biased towards anything.... ive worked on all kinds of rides, and do not get caught up in favoritisms or brand loyalties. good things are good, bad things are bad. i love the duramax for its quiet power, allison trans, and the truck its in, but i hate the parts costs and quite honestly the reliability once you factor in the LB7 injectors/head gaskets, broke cranks, and cracked pistons. or, in the case of my dad's truck, 3 FICM's, rub hole in the transfer case, AND a set of injectors by the time it hit 100k. its lived a pampered life, all stock, no tune pulls a 28ft camper 2x a year. my 6.0 gasser has been much more reliable, and it is now sitting at 248k hauling a race car all over the place.

oh yea.... leaky trans cooler hoses. these trucks must come stock with leaking trans cooler hoses. lol
 
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Big Block 88

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ok.... denial?
at least 3 of the broke cranks in that thread were in STOCK TRUCKS. i am not biased towards anything.... ive worked on all kinds of rides, and do not get caught up in favoritisms or brand loyalties. good things are good, bad things are bad. i love the duramax for its quiet power, allison trans, and the truck its in, but i hate the parts costs and quite honestly the reliability once you factor in the LB7 injectors/head gaskets, broke cranks, and cracked pistons. or, in the case of my dad's truck, 3 FICM's, rub hole in the transfer case, AND a set of injectors by the time it hit 100k. its lived a pampered life, all stock, no tune pulls a 28ft camper 2x a year. my 6.0 gasser has been much more reliable, and it is now sitting at 248k hauling a race car all over the place.

oh yea.... leaky trans cooler hoses. these trucks must come stock with leaking trans cooler hoses. lol


3 TRUCKS!!!!!!!!!! NOWAY 3 TRUCKS OUT OF ALL THAT HERE!!!!!!!!!!!!! ALERT THE PRESS!!!!!!! Maybe you need to read more sites like the cummins and ford boys sites???? I don't even know why you are on this site then?????? You are so hell bent on these motors being shit then maybe you should walk away????? There are plenty of people on here that have had more than excellent luck with there Duramax powered trucks. You know the racers moto you gotta pay to play. If you can't afford to break shit don't run it.

Cummins break cranks crack pistons have injector issues and blow holes through the side of the block.

Powerstrokes blow head gasket like a bimbo blows bubbles with her gum, egr issues and injector issues. There are bad apples in every bunch, Chevy Ford Dodge any auto maker. No denial here just I want to see more proven hard info before I believe someone claiming factory defect or engineering defect on the interwebby.
 

JoshH

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3 TRUCKS!!!!!!!!!! NOWAY 3 TRUCKS OUT OF ALL THAT HERE!!!!!!!!!!!!! ALERT THE PRESS!!!!!!! Maybe you need to read more sites like the cummins and ford boys sites???? I don't even know why you are on this site then?????? You are so hell bent on these motors being shit then maybe you should walk away????? There are plenty of people on here that have had more than excellent luck with there Duramax powered trucks. You know the racers moto you gotta pay to play. If you can't afford to break shit don't run it.

Cummins break cranks crack pistons have injector issues and blow holes through the side of the block.

Powerstrokes blow head gasket like a bimbo blows bubbles with her gum, egr issues and injector issues. There are bad apples in every bunch, Chevy Ford Dodge any auto maker. No denial here just I want to see more proven hard info before I believe someone claiming factory defect or engineering defect on the interwebby.

You know, just because he points out valid flaws with these trucks doesn't mean he hates them. He does own one after all. Pointing out the other brands have flaws doesn't make our own any less either. Denying any of these things exist is just walking around with blinders on.
 

Big Block 88

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You know, just because he points out valid flaws with these trucks doesn't mean he hates them. He does own one after all. Pointing out the other brands have flaws doesn't make our own any less either. Denying any of these things exist is just walking around with blinders on.



I know there are issue pistons being the biggest IMO, I just have not seen enough hard data to prove the cranks have an issue. Maybe the bottom of the motor has to much flex??? Have any girdled blocks broke cranks?? I just haven't seen any d-max's break cranks around here, not saying it hasn't happened but I have seen or heard anything about it yet.

Now someone breaks a crank at 250K is that a manufacturing flaw??? Is it metal fatigue??? Powded metal rods in the 7.3's seem to break from 250K and up in mileage from metal fatigue. And there seems to be more and more CR's have there own Crank issues, is it a issue with CR diesels???