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Getting Project LS5.0 Ready For The Engine Dyno

Getting Project LS5.0 Ready For The Engine Dyno

The LS5.0 engine project has been a long and drawn-out process. Thanks to things like a global pandemic, parts shortages, and a general lack of free time, the project has taken way longer than it should have. However, we are nearing the finish line, as we have the short-block complete along with the top end ready to go. So now, all that is left are a few important loose ends to tie up, and we’ll be ready to turn hydrocarbons into horsepower.

Gimme Fuel, Gimme Fire

One of the most important parts of an engine project is making sure it has enough fuel. There is nothing worse than being oh-so-close to your power goals and running out of fuel. When it comes to such a critical component, we tend to err on the side of caution and familiarity. We’ve run Deatschwerks injectors in several other EngineLabs projects, and they have our full confidence to perform under the stresses of our testing.

With the brand selection out of the way, it was time to dive into the specifics of the injector needed for this project. The first, and probably most important parameter to figure out is the size of the fuel injector. You might remember a video we published a while back where we ran through the math of determining what injector size you need for a given horsepower goal. DeatschWerks has an online calculator that takes all the long-form math out of it and makes life easy.

DeatschWerks fuel injector calculator allows you to easily determine what size fuel injectors you need based on your desired power output, power adder choice, and the type of fuel you plan on using. It’s a ton easier than the long-form math we showed you.

One thing to remember when you’re trying to figure out how much injector you need, is to first, be honest with yourself. If you think you’re shooting for 500 horsepower, is that really how much you want to make? Secondly, you should look ahead and plan on where you are going with the project in the future. In this day and age, it’s no big deal to have larger injectors than you need, but it will always be a problem if your injectors are too small.

For LS5.0, we know that there will be not only several phases to the project, but that we’ll be doing some testing for the magazine along the way. So, we added up all the biggest variables (the most power we expect to see, using the fuel type that requires the most volume that we might use), and got our final…

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