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Black 6050 18th August 2014 18:42

Supercharged Viper in the Future?
In the world of automobile "one-ups-manship" size does matter, and it looks as if Viper will be growing more horsepower to keep it ahead of the Hellcat Challenger and Charger....

Supercharged Viper in the Future?

by David Zatz
August 18th, 2014

With the supercharged 6.2 Hemi delivering 707 horsepower to the Dodge Charger and Challenger, the Viper boys are reportedly looking for ways to get back on top. While the Viper may be superior on a tight racing course, the straight-line performance of Charger and Challenger, in five-seaters with all the amenities, large trunks, and automatic or manual transmissions, is a challenge for Team Viper — as is the current series of Corvettes.

The power difference is not that large, and Viper no doubt has a major edge in low-end torque, but some people just look at the top number and say, “707 is bigger than 640 (and for torque, 650 is bigger than 600.)”

We have now had two reports of supercharged V10 engines being delivered — but we cannot say whether these are for production or racing Vipers. Either way, the supercharger would presumably allow Viper to pass 707, and quite possibly, if the block, internal parts, transmission, and body can endure it, shoot up to, say, 800. That could restart lagging Viper sales and decisively put Viper back on top of the Corvette in performance comparisons, albeit at a high development and production cost.

Black 6050 29th August 2014 13:54

SuperViper on hold?
SuperViper on hold?

by David Zatz
August 28, 2014

After Chrysler engineers pushed 707 horsepower out of the supercharged 6.2 Hellcat Hemi engine, insiders reported that the Viper team started looking at forced induction as well, despite past statements that the V10 would always be naturally aspirated.

The Viper currently runs 640 horsepower and 600 lb-ft of torque from its 8.4 liter V10 engine, which can trace its ancestry back through decades of Chrysler V8s. The power difference is not that large, and Viper has an edge in low-end torque.

If produced, a supercharged Viper would be tuned lightly, for up to around 750 horsepower, to reduce costs; while some aftermarket tuners have produced thousand-horsepower Vipers, they have not had to contend with full manufacturer warranties on the entire vehicle, and in some cases have not done much to beef up the brakes and suspension to match.

A supercharged Viper has been put onto the slow burner due to costs. Aside from the engineering and packaging issues, to create the system and to fit it under the hood, a supercharged Viper would require:

•A new and expensive transmission and differential, which would have to actually fit inside the car (ruling out, say, medium-duty truck transmissions)
•Substantial cooling system upgrades, which would be hard to fit into the existing space
•Ducting for a larger amount of incoming air
•Possibly a new frame, body, and suspension to deal with the added stresses.

While supercharged V10 engines had reportedly been delivered to Chrysler Engineering, it’s not hard to see how the cost of engineering and building a Viper could escalate to the point where it starts being a $250,000 supercar — something that would be even harder to sell than the current $100,000 Dodges.

One long-term solution for Viper supremacy could be following Ian Sharp’s original proposal for a “flybrid” car, where the racing car would be developed first and a production car derived from that. This car would add power by using an electric motor, rather than boosting the existing gasoline powerplant, avoiding the transmission issues and adding traction by using all four wheels for launches. Whether Viper owners would approve of this setup, and whether it could be done at a reasonable cost, is another question.

It is possible that the company is waiting for developments by transmission vendors which would allow them to handle the power, at least, within the available space — or for the next generation body, which could have enough room for the increased air intake, engine cooling, and plumbing.

Carolina Magnum 30th August 2014 02:40


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