Nice modded Viper

2004 Dodge Viper SRT-10

Performance Modifications:

Heffner Twin-Turbo Package:

- Stainless Steel Turbo Headers

- Stainless Steel Turbo Downpipes

- Twin Ball Bearing Turbochargers

- Twin Tial 46mm External Wastegates

- Twin Tial 50mm Blow Off Valves

- Grade 8 Turbo Intallation Hardware

- Powdercoated Custom Intercooler Plumbing

- Chrome Plated Throttle Body Tubing

- 3" Custom Air Filter Tubing

- Twin K&N High Flow Air Filters

- Silicone Tubing Connectors

- T-Style Hose Clamps

- Front Mounted Air-to-Air Intercooler

- AEM Engine Management System

- 3 Bar MAP Sensor for AEM

- Coolant Temperature Sensor for AEM

- Boost Control Solenoid for AEM

- Speed Snesor for AEM Traction Control

- Stainless Steel Turbo Oil Feed Lines

- Stainless Steel Turbo Oil Drain Lines

- 1000 Horsepower External Fuel Pump

- Twin External Fuel Filters

- Adjustable Fuel Pressure Regulator

- Underhood Fuel Pressure Gauge

- Extruded Aluminum Fuel Rails

- 75 lb/hr Fuel Injectors

- Upgraded Fuel Injector Connectors

- Upgraded Fuel Feed Lines

- Upgraded Fuel Return Lines

- Aluminum Fuel Feed and Return Fittings

- Crankcase Breather Tank

- Crankcase Breather Lines

- Colder Heat Range Spark Plugs

- High Temperature Silicone Wastegate Control Lines

- Fuel Pump Relay and Wiring

- Fuel Pump Isolation Bushings

Additional Modifications:

- Lightweight Wrist Pins

- Custom Forged Pistons

- Billet Steel Connecting Rods

- Severe Duty Connecting Rod Bolts

- Offset Grind Crankshaft & Narrow Connecting Rods

- Mopar Main Bearings

- Clevite H Series Rod Bearings

- Childs & Albert Piston Rings

- Ported and Polished Intake & Exhaust Runners

- Bronze Valve Guides

- 2.02" Stainless Steel Intake Valves

- 1.60" Stainless Steel Exhaust Valves

- Teflon Valve Seals

- Titanium Valve Retainers

- Heavy Duty Valve Springs

- Three Angle Valve Job

- T&D Roller Rockers

- Chromoly Pushrods

- Valve Cover Spacers

- Upgraded Hydraulic Roller Lifters

- Custom Hydraulic Roller Turbo Camshaft

- 3" Stainless Steel Cat Back Exhaust System

Drivetrain Modifications:

- Quaiffe Differential

- Centerforce Clutch

Suspension Modifications:

- Moton Club Sport Coilovers

Wheels/Tires:

- Wheels F: HRE 840R 10.5in x 19in

- Wheels R: HRE 840R 13in x 20 in

- Tires F: Pirelli 275/30/19

- Tires R: Pirelli 345/25/20

Brakes:

- Stoptech Drilled Brake Rotors

- Stoptech Braided Brake Lines

Exterior Modifications:

- Autoform Roll Bar

Interior Modifications:

- Team Tech Six Point Harnesses

- Autometer Boost Gauge

- B&M Short Throw Shifter

Sound System:

- Pioneer CD Player/Navigation System w/ Touchscreen

- Pioneer Piavicdi Head Unit

- Memphis Amplifers

- Memphis Speakers

- Memphis Subwoofers

- Pioneer CDx P1280 12-disc Changer

www.heffnersperformance.com

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Wow!

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Nice motor... have you got any shots of it taking a bath?

By Drew Phillips

Photography by the author

September 12, 2005

For most car enthusiasts, they can only dream of that certain car they would get if only they had the money. A rare classic, an exotic Italian sports car, or perhaps just a car with sentimental value is the first purchase once that winning lottery ticket is cashed in. Then there are those who will just never have enough horsepower in their cars. A high budget would mean high amounts of horsepower. That's where Heffner's Performance of Baltimore, Maryland comes in. They make it happen for those lucky few who can actually make their dream a reality.

 

Jason Heffner has been in the business of tuning cars since 1998 and has quickly become one of the more renowned and trusted Viper tuners in the industry. While a few other Viper tuners might be better known or get more coverage in the media, Heffner has just focused on offering the best product and service possible and let that do the talking for him. "You just try to do above and beyond," Heffner says about his work. A trip to the customer's

house after a purchase to make final tuning adjustments for altitude and climate is not uncommon. Heffner makes sure his cars are built right the first time, and each of his engine packages includes a one year limited warranty.

 

Also adding to Heffner's reputation is that he just happens to build the fastest Vipers on the planet. Heffner Vipers own 1/4 mile records including the quickest Viper using the standard 6-speed manual (8.75 sec @ 168 mph) as well as the fastest Viper using an automatic transmission (8.26 sec @ 176 mph). Heffner-built cars also compete and do very well in the V10 Nationals, a Dodge Viper-specific drag racing. How much power are these cars making to achieve these times? Using an in-house dyno, the modified V10 engines can make 1100 rear-wheel-horsepower on 93 octane and as much as 1500 rear-wheel-horsepower on racing fuel.

 

Not all of the Vipers built by Heffner are necessarily this extreme. Owners can purchase a variety of engine packages to suit their budget. Naturally aspirated, supercharged, or turbocharged packages are all available, ranging anywhere from 575 horsepower all the way to 1300 horsepower. The featured car achieved 902 rear-wheel horsepower and around 957 lb-ft rear-wheel torque on 91 octane.

 

For this particular Viper, the list of modifications runs longer than just about any car out on the street. The basic twin-turbo package on the car includes not only the dual turbochargers, but also the addition of a front-mounted intercooler, an AEM engine management system, upgraded air filters, a modified fuel delivery system, and larger fuel injectors to name just a few. Some of the other performance modifications in addition to the standard package include custom forged pistons, upgraded intake and exhaust valves, and a three inch stainless steel cat-back exhaust system.

One of the unique features of the Heffner Twin Turbo Vipers is the AEM management system. Heffner is the only Viper tuner to use an engine management system to regulate the boost and fuel for the twin-turbo set up. One main advantage of this is that lower boost can be run at certain times to make the car drivable on the streets. It's one thing to build a 1000 horsepower car, but an entirely different accomplishment to build one you can actually drive on the

 

street. In theory, the more horsepower you have the better, but actually driving a car with this amount of horsepower on the street can be quite difficult and many times dangerous. Here's a helpful hint: if your car can lose traction at 100 mph or more when you give it too much gas, then you should probably stick to the drag strip. With the AEM system, however, boost is regulated until the wheel speed increases enough to make the car drivable at any speed. Heffner has allowed horsepower freaks to have their cake and eat it too.

 

While most of Heffner's cars have complete engine packages, they do vary depending on the owner's preferences. Some other personal touches to this particular car include an Autoform roll bar and beautiful HRE 840R wheels painted to match the car. Moton Club Sport Coilovers add to the world class handling the car is already capable of. A Stoptech brake system makes sure the car can stop as well as it can accelerate, and Tech Team 6-point harnesses strap the driver and passenger in nice and tight. Also added to the interior of the car is a B&M short throw shifter, and a Pioneer sound and navigation system with Memphis amplifiers, speakers, and subwoofers. Jealous yet?

 

Looking at the finished product is simply amazing. The engine bay is a work of fine art. The car looks and sounds like anything but stock, but still maintains a professional OEM look. Much of this is due to Heffner's philosophy that it's the details that count. Every part added to the car is of the highest standard. Heffner wants his customers to not only own the fastest street machine on the road, but also for them to be able to count on the reliability of their car.

 

When all is said and done, it doesn't get much better than this. Heffner's Performance offers a car literally unrivalled on the road, yet maintains the drivability and reliability of a car straight from the factory. Attention horsepower fans - your ride is here.

*Turns off porn and stares at this for a bit*

What's the going rate on a kidney these days?

Sorry Ive just cum in my pants...wow....thats so me that car...exactly how I would have it 'Subtle'...Im impressed someone has a similiar taste to me

Damn, I love those cars

As Si says, subtley done. Nice

that is absoloutely stunning, i would love to see a hardtop version

Very nice

The Viper is the most bonkers, scariest car I have ever driven. A stock one is like sitting in a coffin, with the Grim Reaper waiting to take you, I can't imagine what a turbo'd one would be like, that is just plain

Build quality is shocking, they have the finesse of a sledge hammer and don't even blink otherwise you'll be into a tree as the steering is knife edge sensitive, but when you put your foot on the go pedal, wow the sound and the power is just thrilling. They're a lot of fun in the snow too

I want one.

...a natural progression from the Supra.

This should be in a museum, not out on the streets.

Work of Art.

Wow!!

What a car.

Glad I'm not on 56k

I bet it still doesnt go round corners ! !

Looks like a "chav'd" MX5

I bet MX5's go round corners better...

This car eats tires stock. I can't imagine it TT'd. I've driven one in Vegas. Fast enough to scare you, unconfortable as hell, but you don't care. A silly car designed for folks with silly money. Yeah, I'd f*ck it.

8litre V10?

Of course it's silly. It's got pushrods, lol...

As for agility, I wouldn't exactly compare it to a lotus elise. More like the Batmobile.

Gorgeous.

Well spotted Jake.

feck me that is fabulous

That is beautiful except the red trim

:needspic:

Sorry Jake Damn nice motor tho

Very sweet! 19 inch wheels at the front and 20 inch at the back.

Large enough airbag warning stickers too, very American.

Dear Santa ,

for my xmas this year can i please have one of these (c/w petrol tanker)

WOW! One of my mates had a kit one of these with a chevy v8 loved it but lovin this long time!

That is beautiful except the red trim