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Custom 2004 Ford F-150 - Frightning Lightning

Robenstein Strikes Again
From the February, 2009 issue of Sport Truck
By Gary Blount
Photography by Rich Chenet
 
2004 Ford F150 Front Passenger Side View
2004 Ford F150 Artist Rendering
2004 Ford F150 Custom Bumper
2004 Ford F150 Body Panels
Hot-rod builders really know... 
   
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2004 Ford F150 Body Panels
Hot-rod builders really know how to make things original. They also know how to make more work for themselves. Rob used an English wheel, plannishing hammer, and Pullmax machine to shape the aluminum and steel panels he fabbed to smooth the Ford body lines. He then hammer-welded the one-off panels to the body for the desired look.
2004 Ford F150 Custom Frame
2004 Ford F150 Custom Engine
The scratch-built frame was... 
   
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2004 Ford F150 Custom Engine
The scratch-built frame was designed to be NHRA-approved and provides the truck with a lightweight base to build on. Rob's four-link system helps with the hard launches and is adjustable to the desired use. The truck sports a full frame, and the engine was moved back 5 percent for better weight distribution. All hard-launching chassis have an X-member for strength, but Rob's Frightning has a pass-through section for the street exhaust. The headers were also fabbed by Rob to hold the turbos symmetrically centered to the engine.
2004 Ford F150 Engine Bay
Plastic intake runners were... 
   
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2004 Ford F150 Engine Bay
Plastic intake runners were not going to live through the punishment Rob subjects the stock engine to. A custom-built plenum was fabbed to hold the pressure of the twin turbochargers. Both the pressure pipe (pressurized from the turbo) and downtube (exhaust after the turbo) run down to the bottom of the engine compartment, after which they go in opposite directions. The downpipe goes back to the mufflers, and the pressure pipe goes to Rob's custom bottom tank on the intercooler. On top of the air-to-air intercooler is another hand-fabbed piece by Rob. The top tank is a huge air funnel that increases the velocity of the cool air charge and allows the pressurized molecules to be rammed into the cylinders.
2004 Ford F150 Blow Off Valve
A Turbonetics adjustable blow-off... 
   
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2004 Ford F150 Blow Off Valve
A Turbonetics adjustable blow-off valve was adapted to the lower segment of the cool-air funnel. It protects the turbos from overboosting the engine, and allows pressure to bleed when the throttle is lifted to prevent compressor surge.
2004 Ford F150 Tracking Rod
A tracking rod that's mounted... 
   
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2004 Ford F150 Tracking Rod
A tracking rod that's mounted to the front lower link on the driver side and extends diagonally to the frame controls the rear four-link's deflection. A coilover shock controls the ride and squat of the truck. The spring rate of the coil over can be readily changed by simply swapping the spring to adjust for ride quality or racing.

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