2004 ho chilled egr cool site

[RM]

im getting ready to order a 2004 ho in california dealer told me i could in july and i found a cool site that explains cooled egr and variable geometry turbo that also functions as exhaust brake. site has a video . will the new engines have vgt along with cooled egr does anyone know. the site is www.tougheststandards.cummins.com

 

[GWDiesel]

I wonder if you could retrofit that variable geometry turbo. and

not void the warranty? and would it help at high altitude? My

HO don't pull very well at high altitude? GWD

 

[WeirCummin]

I wonder if you could retrofit that variable geometry turbo

It is quite a task to do the retrofit to an engine that does not support the VGT thru the ECM. I've been at it for about 8 months with a HY40V and the undertaking is more than I had ever anticipated. You need a minimum of four sensor inputs that can't be attained from or aren't available from the ECM, including turbo speed. My latest hurtle is the new Holset pneumatic control valve which I just received which uses a PWM (pulse width modulation) signal to adjust nozzle size.



Holset has a new electric version of the turbo that was not available when I first acquired the VGT.



http://www.holset.co.uk/flash/index.html It's under current products, E range



Dean