Supercharging the 4.7L Dodge Dakota - Dodge Dakota Forum : Custom Dakota Truck Forums
V8 Performance Upgrades for your 5.2 - 5.9 - 4.7 V8

 
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post #1 of 9 Old 03-14-2010, 12:35 PM Thread Starter
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Supercharging the 4.7L Dodge Dakota

Anyone know if this option is available for the GEN4 Daks?
Supercharging the 4.7L Dodge Dakota



The benefits of the twin-screw, roots-style supercharger have been well documented. The rotor design yields improved boost with less heat; adding up to an efficient supercharging system. Kenne Bell has been putting the twin-screw system to use on many late-model Chrysler, Ford, and GM products with tremendous results in improving horsepower levels on trucks and sport/utility vehicles. Its latest supercharger kit is a direct result of its involvement in developing a supercharger system for the Jeep Grand Cherokee. Since the Grand Cherokee shares the same 4.7L engine platform as the ’01 Dodge Dakota, it was only a matter of time before someone retrofitted a kit onto this popular pickup truck.
The installation and test were done on a 2000 Dakota Quad cab. Baseline dyno runs demonstrated that the 4.7L V-8 produced an average of 193 hp and 253 lb-ft of torque. After the installation of the Kenne Bell Twin Screw supercharger, the numbers jumped to 269 hp and 280 lb-ft. The people at Kenne Bell didn’t stop there. They decided to build a set of headers for the Dakota and managed to boost the truck’s performance levels even higher. With headers and a free-flow exhaust system, the Dakota peaked at 296 hp and 329 lb-ft. On the street, this equates to tire-blistering, low 14-second quarter-mile passes and unbeatable performance from a multi-passenger truck.
The system is relatively simple to install and requires removing the factory air intake and plastic intake manifold. The air conditioning compressor and alternator are slightly relocated using the provided spacers and new bolts. A center bracket is bolted to the front of the engine to add support to the supercharger. The supercharger is mounted to the new aluminum intake manifold and is bolted to the engine after the fuel rail has been flipped around to make room. All the pieces go back in order, following the installation directions, and in the case of this Dakota, a cold-air intake duct was used to gather air from an area in front of the driver’s wheelwell and behind the front bumper.
How does the supercharger make so much power? By providing the engine more air and delivering extra fuel by altering the computer’s programming with the Kenne Bell Boost-A-Pump, which increases fuel pressure as boost levels increase. Timing and fuel curves are also enhanced by the Kenne Bell Optimizer computer, which sends updated information to the Dakota’s factory computer system. This helps engine operation to function normally under standard driving conditions and allows increases and decreases in timing when under boost. Additional fuel required for higher boost levels is supplied by two extra fuel injectors, located at the rear of the Kenne Bell intake manifold. On average, the Kenne Bell supercharger provides the 4.7L V-8 Dakota with 8-10 pounds of boost, making for a very exciting ride. In an upcoming issue, we’ll take the Kenne Bell Dakota Quad cab out for a test at the track and give you a good look at the improvements made to the truck and its overall performance.

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post #2 of 9 Old 03-14-2010, 03:29 PM
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go to a local performance shop and see what they say cause if you go to a dyno/performance shop they will hook you up, cause you gotta get it tunedanyway for it to run right

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post #3 of 9 Old 03-15-2010, 06:44 AM Thread Starter
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I'm planning on making several visits however, everyone wants to push a No2 system.
I'm not apposed to this but the blowers / turbo / superchargers seem to be power when you need it without having to refill a bottle ever week or so.
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post #4 of 9 Old 03-15-2010, 06:59 AM
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man i sooo wish i had a kenne bell those chargers are awsome a little bit pricey but they make crazy boost and power.. i thought they discontinued that charger though?

1/8th mile 7.86 get some
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post #5 of 9 Old 03-15-2010, 07:07 AM
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there currently isn't any SC in production for the 4.7 anymore. you can get lucky and find a used setup every now and then though on ebay.


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post #6 of 9 Old 03-15-2010, 09:39 AM
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since you have a 07 it will bolt right up to your block. they are very hard to find but i sent you a PM on where you might be able to pick one up. There are a few thins to keep in mind when boosting a 4.7L


1. the stock pistons cant handle much boost due to te poor design. the rings are way to high on the piston. so after market pistons would help alot in making it handle boost safely and reliably.

2. the computer form kenne bell is a complete POS, and that is the first thing most people remove. as most others do you can get it tuned by SCT. by doing this you can get rid of the two spare injectors that are on the back of the kenne bell and just upgrade the stock 8 to 39lb ford svt injectors.

3. if you spending this much on mods for the kenne bell you might as well put some extra coin in new rods and a forged crank along with some ARP head studs and if you want to go with even higher boost some ARP bed plate studs.

4. the stock map sensor needs to be replaced with one form a neon srt4 (2bar)

5. when its all said and don you just need the kenne bell blower, alt & A/C brackets, idler pulley/bracket, throttle body cable bracket, and front nose bracket. EVERYTHING else will be replaced.





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Dakota Quad Squad

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post #7 of 9 Old 03-15-2010, 09:48 AM
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lol and i was going to tell you to contact DJwolf!


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post #8 of 9 Old 03-25-2010, 02:16 PM Thread Starter
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Squires Turbo Systems - Turbocharged Innovation!

Has anyone ever looked into using the STS Turbocharger for a DAK?


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post #9 of 9 Old 03-26-2010, 08:54 AM
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it's been done, not the best setup for a turbo system but it's doable. i would never use one. if i was going to turbo i would do it right and just have custom manifolds made and twin turbo the beast.


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