Engine Technical Pages

At ASF Machine here in Grand Junction, Colorado, we're fueled by a passion for high-performance engines and sharing our knowledge with fellow enthusiasts. We believe understanding the inner workings of your engine is key to getting the most out of it. Whether you're a die-hard Subaru EJ257 fan, a BMW S54 aficionado, a GM LS loyalist, or a Porsche 9A1 devotee, we're here to provide you with the technical information you crave.

This page serves as the starting point for our comprehensive engine technical compendium. We've meticulously crafted a series of articles delving deep into the intricacies of these popular platforms. From detailed rebuild guides to performance modification breakdowns, you'll find everything you need to elevate your engine's capabilities and unleash its hidden potential. So, dive in, explore, and join us on a journey into the thrilling world of high-performance engine building!

1. The Often Maligned & Misunderstood EJ205/EJ257 Hybrid

Contact form