Trucks, Jeeps

The Dodge Ram SRT-10

V-10 engine from ViperThe basics:

  • Officially announced; these specs confirmed 11/03 (published 2/03!)
  • 0-60 in 5.2 seconds
  • 13.8 second quarter mile
  • .92 g skid-pad
  • World's speed record set February 2, 2004

When the Dodge V-10 was first introduced, there were two very different versions: the race engine, used on the Viper, and the torquer, used on the Ram. A V-10 powered Ram 2500 truck was, in truth, similar in feel to a 318-powered 1500, since it was meant for towing more than acceleration.

No more.

The newly augmented Viper V-10 was used, intact, on the Ram SRT-10. With 500 horsepower and 525 lb-ft of torque, it was the fastest truck available. Created by the new Performance Vehicle Operations (PVO) team - Chrysler's version of SVO and AMG - the truck used Viper and Prowler engineers along with the teams responsible for NASCAR vehicles and Le Mans Vipers.

SRT-10 was based on the standard SRT name given, confusingly enough, to vehicles modified by the PVO Group - that's Performance Vehicle Operations. SRT originally stood for "Street and Racing Technology" but now stands for "Strip, Road, and Track" - similar to the old R/T designation which seems to have been abandoned.

World's speed record (February 2, 2004)

ram driftingOnly recently off the Saltillo, Mexico, assembly line and not modified in any way for additional power or enhanced aerodynamics, a Dodge Ram SRT-10 posted a two-lap, both-directions average speed of 154.587 mph over a "flying kilometer" on the 4.71-mile oval at the Chrysler Proving Grounds at the Chelsea Proving Grounds.

The record run by the Dodge Ram SRT-10 was certified by Guinness World Records and the Sports Car Club of America (SCCA).  The previous record was 147.54 mph, set before the Dodge Ram SRT-10 went into production. (This record has now been broken by the Holden LS2 6.0 litre V8 Maloo R8 Ute, at 168.7 mph.)

Behind the wheel of the Ram SRT-10 in the record-setting run was Brendan Gaughan, a six-time winner in a Dodge Ram in the 2003 NASCAR Craftsman Truck Series (NCTS).  Gaughan made his NASCAR Nextel Cup debut later that month at the Daytona 500 in the No. 77 Kodak Dodge.

SRT10 pickup truck speed record

Hein Le Roux, research team member at Guinness World Records, said "People aren't too surprised when they hear about expensive super cars or race cars setting speed records. But few people expect a standard production pickup truck, which they can drive straight off the dealer lot, to be capable of this sort of speed.  That's what makes this such a great Guinness World Record."

The production version - first shown February 13, 2003; confirmed November 18, 2003

Dodge Ram SRT-10 rearTrevor Creed, Chrysler's Senior Vice President of Design, said: "We spent a lot of time in the wind tunnel with the Ram SRT-10, so that is why you see a deep front fascia with a splitter and a subtle rear wing. In fact, we have managed the aerodynamics of the Ram SRT-10 to give this vehicle performance more befitting a sports car than a truck. The rear wing is not only functional, providing a reduction in lift, but it also provides a reduction in drag, which is a rarity for a wing."

The most noticeable exterior feature of the 2004 Dodge Ram SRT-10 was a unique hood that featured a wide power bulge and scoop sitting atop the signature cross-hair grille. "Viper Powered" badges on either side of the hood scoop leave no doubt as to what resides underneath.

The Dodge Ram SRT-10 was available in black, red and silver only. The Ram SRT-10 rode on unique 22-inch polished aluminum "Viper-style" wheels, the largest wheels available on production pickup. The new front fascia, unique hood with integrated air intake, billet grille, lower ride height and ground-effect moldings made it look "hunkered down."

From the side, effects included an aluminum fuel filler, SRT-10 badging, and visible red brake calipers; from the rear, they included a spoiler and custom fascia with cutout for dual exhausts and a large, center-mounted chrome Ram's head badge.

Dodge Ram SRT10 front

"There is a slightly understated air about the SRT-10, especially considering its performance potential," said Rick Aneiros, Vice President, Truck Design. "But as powerful as the overall theme of the Ram SRT-10 is, we were determined not to make this another boy racer truck. We added functional aero tweaks to deliver a truck that can handle 150 mph-plus speeds."

Inside, there were heavily bolstered racing-derived leather seats with black suede perforated inserts and a carbon-fiber leather trim steering wheel. Silver trim adorns the center stack and a silver trim strip with an "SRT-10" badge resided on the passenger side air bag. A red Viper start button on the dash went with the engine, and a custom Hurst shift lever sprouted from a silver metal shift bezel and was topped by a Viper style shift knob. Aluminum performance pedals replaced the stock set up.

2003 SRT10 interior dash

A new gauge cluster with satin silver-faced gauges featured Viper font and graphics and appropriately recalibrated speedometer and tachometer to accommodate the SRT-10's visceral performance.

full interior of 2003 Dodge Ram SRT-10


Resting on unique engine mounts, the new V-10 engine delivered 90 percent of its whopping 525 lb.-ft. of torque from 1500 to 5600 rpm. The cast aluminum cylinder block had interference-fit cast-iron liners and cross-bolted main caps. Both bore and stroke were increased over previous Viper models. Block length, block height, bore spacing, firing order, rod length and compression ratio were unchanged.

Viper engine in SRT-10 ram pickup truckThe Viper V-10 included a six main bearing crankshaft with increased stroke length and cross-bolted main bearing caps. Cast aluminum alloy pistons — weighing slightly less than prior years despite larger diameters — were included, as were cracked-steel connecting rods that were lighter yet stronger.

Cylinder heads on the Viper V-10 were redesigned using semi-permanent mold (SPM) 356 T6 aluminum alloy, with improved intake port, exhaust port and combustion chamber cooling. Lower-profile die-cast magnesium cylinder head covers with steel internal baffles and anti-slosh foam were also new for 2003.

A single-piece, central dual-plenum, cast aluminum intake manifold was also new. It boasted shorter runners and a single, non-staged two-barrel throttle body for higher peak horsepower RPM. The intake manifold was an all-inclusive Integrated Air and Fuel Module (IAFM) with tubular fuel rails, injectors, sensors, wiring and throttle body — delivered assembled and pre-tested.

A Ram heavy duty cooling system was modified to handle the needs of the new Viper engine. A custom dual exhaust system was mounted to new exhaust manifolds. The Ram SRT-10 also featured a unique oil pan, throttle linkage, transmission mounts, exhaust manifolds, and radiator.

The 2004 Dodge Ram SRT-10 focused its power through a new Hurst shift linkage and a modified version of the Viper SRT-10's Tremec T56 six-speed manual transmission. The T56 was fully synchronized with electronic reverse lockout. A new 4.5-inch aluminum driveshaft ran to the Viper-sourced transmission and a modified differential with a Dana 80 4.11 rear axle delivered the torque to the road.


The engineers at PVO modified the Ram Heavy Duty's rack-and-pinion steering and independent front suspension. Working with the fully hydroformed Dodge Ram frame, one of the stiffest in the industry, PVO added a custom tuned suspension, dropping the Ram SRT-10 one inch at the front and two inches at the rear. New front and rear strut assemblies and a rear sway bar were added to handle the increased cornering loads.

Next came Bilstein shock absorbers, performance-tuned springs, unique aerodynamic aids to enhance the Ram SRT-10's higher speed performance, and 22-inch custom "Viper-style" wheels and 305/40 Pirelli Scorpion tires.

Big brakes, another Dodge Ram staple, were also part of the equation on the 2004 Ram SRT-10. The standard ABS-equipped brakes were fitted with new 15-inch rotors on the front brakes. Rear brakes were modified Ram Heavy Duty 14-inch rotors. Front and rear brakes featured unique red calipers. The new front fascia featured brake ducts to provide plenty of cooling for track sessions.

"The Dodge Ram SRT-10 delivers simply phenomenal handling," said Dan Knott, Director-Performance Vehicle Operations (PVO). "But without sacrificing ride quality. This is a truck that you can run to the store in, and then start tackling apexes on your favorite set of twisties. And, depending on your right foot, the V-10 can make the straightaways really short."

Big brakes, another Dodge Ram staple, were also modified for the 2004 Ram SRT-10. The standard ABS-equipped brakes were fitted with 15-inch rotors on the front brakes. Rear brakes were modified Ram Heavy Duty with 14-inch rotors. Front and rear brakes featured unique red calipers. The new front fascia featured NASCAR-inspired brake cooling ducts to provide plenty of cooling for track sessions.


Two-seats, V-10 engine, 90 degree V-type 8.3 liter (505 cubic inch)
Horsepower: 500 bhp (372 kW) @ 5,600 rpm
Torque: 525 lb.-ft. (678 Nom)@ 4,200 rpm

Manual, six-speed transmission with Hurst shifter mechanism and linkage

Wheelbase: 120.5
Box Length: 6'3"
Track, Front: 68.5
Track, Rear: 67.9
Overall Length: 203.1
Overall Width: 79.9
Overall Height: 74.4
Fuel Tank Capacity: 26 gal
Curb Weight (estimated): 5,000 lbs.

Tires: Pirelli Scorpion Zero 305/40 YR 22
Wheels: Forged aluminium "Viper-style" 22 x 10 inch

Performance (estimated)

0-60 mph 5.2 sec.; 0-80 mph 8.4 sec.
Standing quarter mile 13.8 sec. @106 mph
Top Speed 150 mph

About the 2002 concept version of the Dodge Ram SRT-10

The Dodge Ram SRT-10's power was channeled through a Viper six-speed manual transmission that connected to a modified differential and new driveshaft. The Ram SRT-10 accelerated to sixty mph in an estimated 5.0 seconds and delivered an estimated top speed of 150 mph. More impressively, Ram SRT-10 ran the 0-100-0 mph dash in an estimated 18 seconds.

These figures beat nearly every vehicle made in the US, going back as far as you care to look. As a comparison, the Spirit R/T ran 0-60 in 5.8 seconds, and was the fastest four-door production car in the world during its time. The turbocharged, 220 horsepower Neon SRT-4 runs 0-60 in 5.9 seconds. Most "ordinary" cars run 0-60 in around 9-10 seconds now [2004], down from 12 seconds a decade ago.

Keeping all this power in check was a modified rack and pinion steering and independent front suspension from the 2002 Dodge Ram, which set new handling standards for full-size pickups. Blessed with the stiffest frame in Ram history, the Ram SRT-10 made the most of its exclusive 24-inch wheels and 305/35 R24 high-performance tires, pulling an estimated 0.92 g's on the skid pad and hitting almost 70 mph on the slalom. A recalibrated, quick-ratio power steering unit enhances steering feel.

The Ram SRT-10's handling was enhanced by the addition of performance-tuned springs and shocks, a rear sway bar and an inch-lower ride height. Bringing the Ram SRT-10 to a halt were four-wheel disc Viper brakes, equipped with standard ABS. Fascia-mounted, faired-in brake ducts aid cooling.

The exterior appearance of the Dodge Ram SRT-10 imparted an almost sinister demeanor with a design that blended the bold, "big-rig" look of the 2002 Dodge Ram with performance styling cues that hinted at the extra muscle behind its signature cross-hair grille. Its understated "muscle truck" exterior sent a quiet yet unmistakable message that the Ram SRT-10 owned the fast lane.

Available in black or red only, the crisp lines of the Dodge Ram SRT-10 provided a look of machined elegance with a lower -- and an even bolder -- stance than the standard Ram. The new front fascia, hood with integrated air intake, billet grille, one-inch lower ride height and ground-effect moldings provide plenty of "hunkered down" attitude even before the ignition key is turned. From the side, Ram SRT-10 was distinguished by an aluminum fuel filler, SRT-10 badging and red Viper brake calipers visible behind the 24-inch wheels. A bed-mounted hard tonneau, spoiler and custom rear fascia with cutouts for dual exhausts provided the view for the majority of the motoring public.

Inside, red-piped leather and carbon fiber-look accents complemented the performance attitude established by the SRT-10's outward appearance. Silver-faced gauges with Viper font and graphics had an appropriately recalibrated speedometer and tachometer to accommodate the SRT-10's visceral performance. Interior space was maintained from the standard Ram.

Dodge Ram SRT-10 Quad Cab

Following on the success of the Dodge Ram SRT-10 regular cab pickup, Dodge introduced the Ram SRT-10 Quad Cab, targeted directly at the truck enthusiast who wants SRT performance in a pickup with room for the family and towing capacity.

"We knew when we came out with the world's fastest production pickup that there would be customers who would want that same ultimate performance, but in a pickup that offered four-passenger seating and towing capability," said Dan Knott, Director — Street and Racing Technology (SRT). "So, the question was, 'Can we create a more usable truck for the person who wants to haul more stuff, but is not willing to give up performance?'"

The engine was backed up by a four-speed automatic transmission — a 48RE gearbox, specially adapted from a diesel engine application for its ability to handle monster amounts of torque. A heavy-duty torque converter, custom transmission calibration and two-piece drive shaft were also specifically chosen for overall powertrain integrity and performance. Additionally, the Dodge Ram SRT-10 Quad Cab was fitted with a 4.56 gear ratio to improve launch feel, low-end acceleration and towing capability of up to 7,500 pounds.

SRT engineers began with a fully hydroformed frame as the basis for strength and rigidity. From there, the Ram SRT-10 Quad Cab was fitted with fully-tuned front and rear strut and spring assemblies. Up front, modified steering and independent front suspension carry the load, while in the rear, axle snubbers, performance-tuned springs and Bilstein monotube shocks kept things firmly planted through the corners.

Dodge Ram SRT-10 Quad Cab's braking system was designed by SRT engineers, utilizing heavy-duty Dodge Ram components and unique four-pot opposed-piston calipers that are new for 2005. A three channel anti-lock braking system (ABS) actuated new custom red brake calipers up front that grip 15-inch rotors, and in the rear, modified heavy-duty red calipers grip 14-inch rotors. Front brakes were cooled with air ducted from the front fascia to reduce heat build-up.

Featuring cues reminiscent of Dodge's NASCAR Craftsman Truck Series Ram — such as the deep front fascia equipped with a wind splitter, signature cross-hair grille and sculpted sides — the Dodge Ram SRT-10 Quad Cab featured a unique hood with a fully functional air intake that provided added bay cooling. A body-color aluminum tonneau cover, outfitted with a unique spoiler for aerodynamic balance, was standard. 

Performance cues inside the Dodge Ram SRT-10 Quad Cab included the Viper-like pushbutton starter, race-inspired, grippy and heavily bolstered seats, a leather-wrapped carbon fiber-patterned steering wheel and brushed metal accents on the instrument panel and door trim panels.

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