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Welcome to the first test of our new lift pump test series. We made a mechanical lift pump and needed a way to verify its performance. With this series of tests we will verify our pumps performance and test out some electrical pumps as well. This will allow us to give you accurate data on […]
07
Nov
Nov
In this post, we’re explaining exhaust manifolds – what’s the difference between them, when to and why to upgrade, and more. Read on for all the Cummins exhaust manifold information you could ever want. Why Upgrade an Exhaust Manifold? So, why should you upgrade your exhaust manifold? One reason would be to to move away […]
24
Oct
Oct
We had a customer from Hawaii contact us and send us some 75lb overstock valve springs they purchased on Ebay. We tested them against a true 60lb overstock Cummins beehive spring to see what the real seat and open pressures are. Read on for the tests and results. Setting Up the Valve Spring Tests […]
09
Oct
Oct
We get a lot of questions about AFC LIVE and today, we’re going to answer some of them. In this post, we’ll be covering what an AFC LIVE tuner is for your truck, how it works, and why you need one. What is AFC LIVE and How Does it Work? AFC LIVE is an in-cab […]
17
Aug
Aug
In this post we’re answering all your questions about the Hamilton Cams War Head. We’ll show you how to make it work in your Cummins, what adjustments we had to make to use it in our UCC truck, and more. Read on for all the info you could want on the War Head. War Head […]
02
Jul
Jul
Installing a governor spring in your stock Cummins p-pump is not difficult. With the right tools and a little bit of time, anyone can do it. We’ll walk you through four simple steps to replacing your governor springs: Remove battery cable, horn, shutdown solenoid, and actuator arm Remove old governor springs (Leave large outer spring […]
31
May
May
Pre-Race Prep and a Troublesome Cam Gear If you have been following us and our Ultimate Callout Challenge build, you have seen us put together a killer engine…and you’ve seen us break a lot of stuff. We broke a couple of camshafts, built a cover to support the camshaft, then broke a cam gear. We […]
27
Mar
Mar
We get asked a lot, “Why would you put fire rings on a diesel?” We’re here to answer this question. Stock head gaskets have factory fire rings built into them. When we add an o-ring to the block, it protrudes up about .010” and adds an extra “crimp” to the gasket. This is usually good […]
12
Mar
Mar
In this episode, Todd and Will discuss the major components of a 2500 horsepower Cummins engine build. From anodized pistons to heavy duty roller rocker assembly’s to enormous air, you will get the full scoop on what goes into a 2500 horsepower Cummins race engine.