Volvo D13 injector cups fail again !

Volvo D13 2008/ still original motor 1,320,000 miles , I had a long cranking, knew the injectors are gone; this time I drove it to shop; 3 injectors cups gone again, (see photos the carbon deposit leaking from combustion),
This is 4th time I have same problem since june 2007 ; this are steel cups and 2nd and generation of injectors for this motor, I installed in 2011; they lasted more about 500,000 miles, but Volvo failed big time with the injectors in this motor; love it great on fuel but this are costly and bad designed; I have to get new injectors; and camshaft; they have now the 3rd generation of injectors for D13, extra coatings and different procedure to install;

I'm a photo dweeb some photos I loaded on my photo bucket below;


click to enlarge;














camshaft wearing after all this miles; piston #3,








Volvo Posted this Video on YouTube last year, but they just want to sell injector kits; should come out with a recall, and public apology. How are the Cummins, Detroit injectors? do they have same problems caused by ultra high injection pressure and ULSD low lube qualities?
http://www.youtube.com/watch?v=SbKrxjaKDGE

 

yep, no need to remove head ; I'm not doing the job, this photos I took today at Volvo shop;

 

N14 was great, I know a team here with 2 mil on original Volvo 770 / N14. but was different design, I understand the ultra high pressure injection and dry ULSD is causing this leaks; I don't know if Cummins and Detroit has same problems with motors built after 2008.

 

In my last truck,Volvo 770 2001/ Detroit D60, I replaced 1 injector in 1,100,000 miles until I sold the truck; this one I did cups only twice plus this new injectors and steel cups in 2011, and now again; I believe has something to do with stupid design, ultra high injection pressure and bad lube qualities of this ULSD mixed with bio;
team truck, we rarely idle ; I use synthetic oil only;
I can't complain about motor, is very good in fuel economy and the original warranty on motor was 250,000 miles and have 1,320,000 miles ;
Last time I did the injector cups was in 2011, in Terre Haute, In @ Volvo ;the technician showed me the wearing on the cam, but was just a spot, he told me at the time to check it in 30-50,000 miles and replace camshaft; I did over 500,000 miles; i remember reading this thread herehttp://www.thetruckersreport.com/tr...een-wheelers/102326-volvo-780-w-d-13-a-2.html, maybe I'm lucky, D13 has camshaft isues;

The truck is still shop in Ayr, Ontario; they don't have injector kits & cups in stock are waiting for parts; must be hot Volvo items;
In almost every Volvo shop I've been over past 7 years ,all over North America from Nova Scotia to British Columbia to California, Texas , i've seen truck with D13 open top cover and mechanics fixing injector cups;