Building an engine is one thing, knowing which internal components to use for a given application, and why you would choose those particular parts is another, and thatGÇÖs just what youGÇÖll learn in this show. Arron explains the features, advantages and disadvantages of each part, and why you would, or wouldnGÇÖt want to use a particular part for your engine, from stock, to street performance, to all-out racing engines.

Should you run a cast, forged or billet crank? What are the differences and how can you tell? Which alloy is the best? Should you increase the stroke or decrease the stroke? Which rods should you go with? I-beam, H-beam, steel or aluminum? What length should you use? What about rod angles and piston side loading? Which pistons should you use? Cast, hypereutectic or forged? Domed, dished or flat tops? Floating or pressed pins? Will you need oil rail supports? Which bearings should you use? Will they hold-up to heavy loads? Do you need cast, moly, plasma moly or gapless rings? What is balancing all about? WhatGÇÖs the difference between internal and external balancing? What does GÇ£balanced and blueprintedGÇ¥ mean? Should you use an aluminum or steel flywheel? These questions and MANY, MANY more are answered in this show.