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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

Air & Exhaust

Everything pretaining to air and exhaust systems. This includes air filters, turbos, intercoolers, manifolds, etc.

3 Cummins articles in this category

  1. Cowboy ·
    Boost Controller Designs For simplicity's sake, we'll say the wastegate opens at 20 psi and regulates the boost pressure to 20 psi. The way any mechanical boost controller works is fool the wastegate into thinking you are are making less boost then you actually are. So if you want to build 40psi, you need to make the wastegate think that you are only building 20psi at your set pressure, so in this case, you want it to think the boost is ha
    Cowboy
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    • 2,682 views
  2. Cowboy ·
    Don's Head Porting Extravaganza Special Thanks to Don (Drothgeb) For the Time, Information and Pictures present in this article.  Thanks Don! There are different stages of porting, as Don describes below. Stage 1, is removing the collar in the bowls just below the valve seat. It's pretty easy to see the area I'm talking about in the pictures below. Just removing that without removing anything around the valve guide
    Cowboy
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    • 6,681 views
  3. Cowboy ·
    Oversized Wastegate and Regrinding When we're trying to get as much out of our turbo as possible, it is very common to port the the wastegate out to help keep drive pressure in check.  However, we are limited to how much we can port the wastegate out by the size of the wastegate flapper.  The size of the little HX35's flapper could use some serious help, and it wouldn't hurt to give a HE351 a little love as well.  So what we're going to do is install a larger flap
    Cowboy
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    • 8,554 views