Give Your Viper a Boost

Written by editor on . Posted in Summer 2009

To the uninitiated, the thought of taking the stock 500 hp 8.3L Dodge Viper engine and boosting it up another performance level seems like overkill. After all, when most people look at a Dodge Viper they see the ultimate American super car. However, for many in the Viper Nation, 500 hp is merely a starting point. For those Viper fanatics looking to squeeze out every ounce of horsepower and torque that the Viper V-10 can muster, we offer this blow-by-blow account of how to add some snarl to your Snake with a polished Paxton supercharger kit, polished valve covers and Crower rocker arm assemblies, courtesy of Big 3 Performance, in Green Bay, Wis.

For more information on Big 3 Performance, visit www.big3performance.com.

Note: How-to install photos and captions courtesy of Big 3 Performance. Space limitations do not permit coverage of all aspects; therefore, please refer to the detailed instructions included with the manufacturer’s kits. The procedures and comments in the article do not reflect the opinions and endorsements of Chrysler LLC or J.R. Thompson Company.

B.M. (Before Modification).Remove factory air induction.Remove serpentine belt. Draw picture, for a reference, to help reroute later.Remove lower engine compartment valance.Remove access panel to oil pan bolts, remove pan.Label corner of oil pan to indicate drill area and position of oil return fitting.After removing oil pan bolts, lower supported oil pan.Locate oil return fitting, mark accordingly.Trace circle around fitting. Find center, mark with a center punch.Drill and tap the pan. To speed the cleaning of aluminum shavings, use grease and attach a rag to the inside of the pan to ease in cleanup.Use high-quality Teflon sealant during installation.Remove harmonic balancer bolt to pin the crankshaft.Use tape on drill bit as guideline to set depth of hole.After inverting pulley set depth of threaded rod per instructions.Attach extension bracket.Install supplied alternator pulley.Install supercharger mounting bracket and extension bushings.Install supercharger and auto tensioner.Remove factory valve covers. Note unique left- and right-side rocker arms.Remove valve train components and inspect for damage. Label and save all valve train parts.This is a Crower rail system: all fastener bolts must be installed with Loctite® and torqued to specification.Apply Loctite to all fasteners at the same time for an assembly-line-style installation.Loosen all adjusters to speed proceeding installation.Fully presoak all rockers (fully immersed).Note: There is an intake and exhaust rocker (visually verify before adjustment).Install the valve covers.Remove the fuel pump relays before removing the intake to control fuel loss.Remove the intake manifold.Layout wiring for auxiliary fuel pumps to ensure installation out of harm’s way.Take the time to find these factory grounds hidden under the windshield.Remove access panel in front of right front tire. Horn relocation is required.Take the extra time to layout the fuel pumps for a detailed look.The completed and installed kit.

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