Tag Archives: Big Bore

Tech: 5.3-liter Modular Short-Block

Big Package

Inside Ford Performance’s rugged, big-bore modular crate engine

By Steve Turner
Photos courtesy of Ford Performance Parts

Recently we shared Ford Performance Parts’ announcement that the OE hot rodding division is now offering a 5.3-liter modular short-block (PN M-6009-B53; $6,800). This part attracted a lot of attention from those looking for project-car propulsion or an engine refresh for a high-mileage modular. Since it resonated so, we decided to learn a bit more about this engine.
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Tech: 1,200-Horsepower Shelby GT500

Big Game

Pro Dyno pumps up John Antunes’ Shelby GT500 with a big-bore 6.2

By Steve Turner
Photos courtesy of Pro Dyno

If you weren’t a Mustang enthusiast, you might assume that a Shelby GT500 with a supercharged 5.4-liter engine would provide more than enough propulsion. We know better. A stock GT500 is fun. A modded GT500 is a blast. However, while most people are happy with bolt-on enhancements and tuning, others want something a bit more aggressive. John Antunes falls into the latter category. Continue reading