Engine Lab of Tampa’s Rokket Horton transforms a classic, air-cooled 3.2L Porsche 911 engine into a high-revving 3.4L RS-inspired street sleeper, showcasing precision machining, modular design and 400 hp of naturally aspirated performance. It's our latest Engine of the Week sponsored by @penngrade1 and @elring_official You know where to find the full story! #engines #enginebuild #enginebuilding #enginebuilder #porsche #porsche911 #aircooled #aircooledporsche #horsepower #performance #engineoftheweek #enginebuildermag