Keith Craft machined a Shelby aluminum block, shaving some 80 pounds off the front end in the process, and stuffed it with a 526ci rotating assembly-it's twisted the engine dyno to a stunning 840 hp at 7,100 rpm, and more than 700 lb-ft of torque. With a 14:1 compression ratio, we're certain it crackles through the exhaust nicely, while burning the Sunoco Maximal race fuel. In this form, the Cobra Jet has run a best of 9.90 at 138 mph in the quarter-mile. This included a 60-foot time of 1.36 on the back tires at Bandimere Speedway, on a day where the corrected altitude was 9,400 feet above sea level. At sea level, the car would be flirting with the 8-second zone!
Unfortunately, Bob's father passed away before he could go a for a ride in the car, so Bob keeps a picture of him in it so that he would be going for a ride every time Bob drove or raced it. There's also a picture of Bob's twin daughters who "changed my life in every way."
"I would like to thank my dad, Mike Lupfer for an awesome chassis, my buddy Keith for always being there for help, and the special ladies in my life-Andrea, my wife, and my awesome little girls, Danielle and Brianna."
Bob runs the Cobra Jet at the track about 12 times a year, and occasionally drives it on the street when he has "one of those days when you need to relieve some stress." The Mustang has so far met his every goal, though friends do occasionally tease him about adding some nitrous to it. Bob has also wanted a '70-'72 Maverick since he was little, too. That could be an even tougher quest than the ultimate Cobra Jet.