05/19/2021
This is a decent introduction into the basic concepts of engine stress vs engine use that we take into consideration during a build. These concepts plus many more trickle down from top fuel, Formula 1, and Le Mans all the way down to all of our drag cars, road race cars, drift cars, autocrossers, fast street cars, and normal daily drivers. We always have to consider first and foremost the intended usage of a vehicle; a full tilt trailered drag car can bring multiple engines out to an event that each only get run a couple of passes, but a daily driver/nighttime highway killer needs a bit more resilience to say the least. Itโs our job as engine builders to constantly keep a balance between power output and engine longevity depending on what exactly weโre trying to achieve. In order to manage this we need to consider fuel type and aspiration (n/a vs forced induction), but then we have delve into the specifics of the engine weโre trying to use. We consider overall displacement, bore and stroke, intended operating range of the engine, materials used for the internals, along with any known issues/deficiencies with specific engines that need correcting (ie: rb oiling issues, ej25 clearancing issues, etc.). All of this letโs us figure out how we need to approach an engine build but also how fast we can rev, how high we can boost(if applicable), how much compression we can run, what kind of oil clearances to run, what kind of ring gaps to run. All of this together plus things we havenโt even mentioned (heat cycling + time = heat soak, aluminum rod lifecycle, etc.) determines what kind of power we can make and how long we can make it. Keep this in mind before setting your power goals for your projects and be ready for us to manage your expectations as we figure out what you want vs what you need. ๐๐ฝ๐๐ฅ