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Fathouse Fabrications’ Jam Maker Mustang Set To Debut At NMRA World Finals

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Photography Courtesy of Trevor Flora at Fathouse Fabrications

There’s no denying that the photos just released of Fathouse Fabrications’ Jam Maker Mustang will get some attention. The turbo placement on this 2011 Mustang GT isn’t something normally seen in the domestic market.

“It came from Jeremy’s head,” said Fathouse Fabrications’ Ben Stoner. Jeremy is Jeremy Howell and Stoner’s business partner in the company. “He’s pretty artistic and makes a lot of different things out of metal. He proposed the idea to me and I told him no at first. He said, ‘You’ve got to trust me. It’ll be badass,’ and that’s what he came up with. I love it!”

The S197 Mustang went under the knife since it was raced at the NMRA World Finals last year at Beech Bend Raceway in Bowling Green, Kentucky, changing from a legit street car to full-on race car.

“We had a single-turbo system on it last year and we needed to make more power, but were tapped out with the current system,” Stoner said of the decision to double up on the power adders.

The previous setup utilized a Forced Inductions 76mm single turbocharger, but Stoner switched to Xona Rotor turbochargers, which is a joint venture between TiAL Sport and FP Turbo.

“We use their turbos in all of our packages, their quality is unmatched,” Stoner explained to us. With the front section of the car cut away, Howell fabricated all new mounts for the turbochargers, radiator and electric fan, and the air-to-water-intercooler with integrated ice tank.

The boost makers weren’t the only thing that was upgraded, as the engine also needed to be fortified to support the expected power output.

“We went from a budget build rod/piston upgraded stock engine to a fully built MPR Racing Engines motor with cams, sleeves—all the good stuff.” A JC Customs billet upper plenum was fitted to the Holley Sniper intake manifold on the engine, which is managed by a MoTeC EFI system with Johnson Tuning at the controls. The Fathouse Fab shop car will be burning E85 from One Ethanol R, and while the turbos are well capable of supporting 1,600 horsepower, Stoner expects to have around 1,200-1,300 on tap when they show up to run the Turbo Battle class in just a few weeks time.

With all of that horsepower, you’d think there would be an automatic transmission behind the powerplant, but Stoner has chosen to stick with the RPM Transmissions T56 Magnum.

“We use an RPS Triple Carbon clutch, “Stoner told us. “We use them in all of our twin-turbo GT350 builds. It drives great, holds all the power we can throw at it, and it loves to be slipped.”

The drivetrain will have a lot less heft to move down track, too, as Stoner expects the curb weight to have dropped from around 3,700 lbs to about 3,400.

“We tubed the front end, pulled out extra wiring, cutout the spare tire well, removed any brackets and things that we no longer needed. There’s lots of titanium everywhere,” Stoner said of the weight reduction efforts. Considering the weight of the additional turbo, air-to-water intercooler, as well as one of the company’s 8.50-cert roll cage kits, there is no doubt that the amount of excision was substantial, yet well executed.

The Mustang’s previous best quarter-mile time was an 8.9-second pass at 165 mph, while fighting clutch issues. Stoner said they are expecting low 8s out of the gate, and hope to eventually get into the 7s with the car. They have their work cut out for them, as the Hellion Turbo Battle class, which is held during the NMRA All-Ford World Finals, is just a couple of weeks away.

“We are hoping to get it fired up late next week and dyno the week before the event,” Stoner said. “We are scrambling to finish—there’s no place better to test a brand new setup than at a major national event, right!” Word on the street is that the Fathouse Fabrications team is bringing around 9 customer cars to the event as well.

And if you were wondering what the Jam Maker is, Stoner explained it to us.

“For years and years, we always called horsepower jam, as in making jam. This one was going to make a lot, so we called it the Jam Maker—we call the shop the jam factory.”


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