Chris Calhoun Readies Twin Turbo Outlaw Drag Radial Mustang

The guys over at Calhoun Racing are putting together a new combo for the new season. With the help of GForce Motorsports, this once Outlaw True Ten Association Ultimate Street and Texas True Ten 5 Extreme Street champion machine is being transformed into a hopeful Outlaw Drag Radial contender.

Coming up from a stock suspension car fitted with UPR and QA1 components, it previously turned a best of 5.08 at 139 MPH with a 1.16 sixty-foot. It was powered by a Kuntz built, nitrous-powered, 434-inch small block Ford topped with Glidden Victor heads and a single Dominator. It ran on two kits thanks to Steve Johnson at Induction solutions and put the power down through a JW-cased Powerglide and Moser 9-inch rear end housing.

The 440 cubic inch, twin-turbo powerplant soon to power Calhoun's Drag Radial machine.

After the season was over, the team decided to take 2010 off to start the transformation into the radial car they wanted. Chris Calhoun began by taking the car down to the bare bones to start fresh from the ground-up. Racecraft Inc. was called upon to handle stuffing the new suspension going into the car with in-house and QA1 components. Deciding on power early on, a twin turbo small block Ford was the choice. HK Racing Engines is the shop behind the 440-inch SBF that’s being fed by a pair Garret Pro Mod 88mm turbos with Tial stainless housings. Using the same Glidden Victor heads as before, Calhoun had Greg Good do some extra work on them to prepare for the boosted setup. To do so, a figure eight style O-ring was installed in the head and custom valve guides were made to house the Inconel exhaust vales and titanium intake valves. Then the block was prepped with O-rings to create a double O-ring setup to contain the boost. A custom, billet runner sheet metal intake was fabricated by Beck to house the Moran billet 235lb injectors and Wilson 105mm throttle body.

All that pressurized air is fed through the car thanks to Rick Stevens Race Cars and is cooled by a Precision 3000 air-to-water intercooler with a custom water box. Fuel management is controlled by Big Stuff 3 and an AMS 1000 boost controller paired with a Racepak setup helps keep everything in check. The man behind the tune-up’s and getting this whole setup put together is Don Bailey of DCB Enterprises. Before getting the engine stuffed in the car, Don and Chris got together with the School of Automotive Machinists for some naturally-aspirated dyno pulls. Hopes are to push this car to the front with some 2,500-plus horsepower.

In addition to the new powerplant, the car has received updates front to rear. The Moser rear end was treated to 40-spline axles and a 3.89 gear. Strange dual caliper brakes were then fitted to help stop this beast. The JW-cased Powerglide was updated with a new valve body and a Hughes gear set. For the 2012 season, Chris plans on running in the Outlaw True Ten Association and the ORTC’s Outlaw Drag Radial class.

Chris wants to give big thanks to Calhoun Construction and GForce Motorsports for sponsoring the build, Don Bailey for the tuning, Greg Good and Kuntz for the head work, Rick Stevens Race Cars for fab work, Judson from SAM for the dyno time, and HK Racing Engines and Erik Koeing for the bullet.

About the author

dragzine

Dragzine® delivers the hard-hitting news, rumors, and event coverage that drag racers crave from NHRA, IHRA, NMCA, PDRA, Outlaw, and Drag Radial events, not to mention videos, in-depth car features, tech articles, and interviews. It’s drag racing — 24 hours a day! Our goal is to deliver to you the quickest news and insights in the drag racing world. You’ll also find some of the best technical content on the web — from installations, dyno tests, project vehicles and more.
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