[Vwdiesel] Technology

[Kurt Nolte]

> Strongest. The increased displacement of the 6.7-liter Turbo Diesel -
> enabling an increase in horsepower and torque while maintaining fuel economy
> - will provide Dodge Ram customers with better engine performance without
> sacrificing the reliability and durability that have become synonymous with
> Cummins. Increased vehicle control and lower operating cost are both
> delivered on the new 6.7L Turbo Diesel with the addition of an integrated
> exhaust brake option, providing outstanding braking performance. 
>   

Sorry, I have to object to at least one of those statements. We run 
Cummins ISB series common rail engines at work, transit system; they're 
horrifically unreliable and finicky things. Nowhere near as reliable as 
the older pump-injected engines, and because of computer issues they 
tend to smoke quite a bit and have some pretty noxious exhaust. 
Reliability? Durability? What are those?

Cummins needs to get their act together if they want to stay "on top" of 
the heavy duty diesel market. This BS with the common rail problems has 
to stop.


> Quietest. The 2007 Cummins Turbo Diesel achieves a 50 percent noise
> reduction over the previous model, even with the increase in power and
> torque. The combination of reduced combustion noise, a low-noise VGT,
> optimized fuel timing/delivery, reduced-noise accessory drive pulleys and
> block side shields all contribute to this significant noise reduction. 
>   

I will hand them this one, though. Those bus diesels are /quiet/ 
compared to similarly sized engines, even gas ones!

-Kurt
Bus driver, diesel snob (Pump injection forever!)

	
	
		
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