1968 Shelby GT500 & Ford 427 Tunnel Port Article - Speed & Supercar p.67

This is page 67 of Speed & Supercar magazine (1968), containing continuations of several feature articles plus a full advertisement. The first column concludes a Ford tunnel-port engine discussion, covering 12.5-to-1 pop-up pistons, solid-lifter camming, transistorized ignition, tunnel port heads with 2.15-inch intakes and 1.56-inch exhausts, and notes that bolt-on parts fit the 260-289-302 family. It gives Ford head part number GFJK-6049-E and dual quad manifold number SFJK-9424-K, available through Ford dealers or Carroll Shelby's parts outlets. The 'Spark Plugs' continuation explains Champion 'U' series gap plugs, resistor plugs for radio/TV interference suppression, and advises writing Champion Spark Plug Company (Toledo, Ohio) for Form A-617. The 'Shelby GT500 continued' section reviews the '68 GT500's road manners, roll resistance, inertia reel seat belts, roll bar, and compares fastback vs. convertible bodies, suggesting a tunnel port 427 for Super/Stock racing. The 'Chargers continued' section describes a Comet 202 with a four-barrel 427 wedge raced by John Elliot of Chatham, Ontario for A/SA class. The bottom half is a 1968 Offenhauser ad for the new 360° Equa=Flow intake manifold (model shown for 289 Ford, from $92.50), with the company's Los Angeles address and phone number.