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The all aluminum V10 Viper engine is the largest high performance
production car engine being manufactured in the world today and one of the most powerful high performance engines ever built for a production sports car.
There are three generations of Viper production car engines and several versions of GTS-R and Competition Coupe race engines.
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The first generation Viper engine was manufactured from 1992-1995. The
displacement is 488 cid with power rated at 400 horsepower and 450 foot-pounds of torque.
The 1996 model year Viper received
improvements to the exhaust system and the 1st generation RT/10 engine increased power to 415 horsepower and 488 foot-pounds of torque.
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The second generation Viper engine was produced from 1996 to 2002.
This engine was introduced in the new 1996 Viper GTS car model and
later used in all RT/10 and GTS models from 1997 to 2002. This
engine is also 488 cid and approximately 80 pounds lighter,
with revised cylinder heads, camshaft and engine block. The 2nd
generation engine power output increased to 450 horsepower and
490 foot-pounds of torque.
The Viper ACR is equipped with the most powerful 2nd generation
production Viper engine producing 460 horsepower and 500 foot-pounds torque. The addition of smooth bore intake hoses and a free-breathing air filter provided 10 extra horsepower for the ACR Viper engine.
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The third generation Viper engine
was produced for the 2003 Viper
SRT. Engine displacement is 505 cid
and the power output is rated at
500 horsepower and 535 foot-
pounds of torque.
The SRT engine has a new intake
manifold design to operate with a
single throttle-body. The cylinder
head is also improved with a
revised
port configuration, a
better valve
location and a larger reshaped combustion chamber design.
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The Viper GTS –R race engine
entered competition in 1996
with
three levels of performance. The
base GTS-R race engine is rated
at 525 hp with 650 and 700 hp
versions available from the
factory.
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The Dodge Viper Competition Coupe's engine is rated at 520 hp, which is 20 more horsepower than in the stock Viper.
Engine specifications are:
Bore: 4.03 inches
Stroke: 3.96 inches
Horsepower: 520 @ 5600 rpm
Torque: 540 lb-ft @ 4600 rpm
Rev Limit: 6100 rpm
This rating is considered conservative and the power output can actually be closer to 550 hp.
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Ned Erkman
Author of The Read for Viper Speed
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Intro
| 1992-1996
| 1997-2002
| 2003-2006
| 2006
| Engines
| Performance
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