Engine Performance Buyer's Guide

Story & Photos by Off-Road Adventures Staff
PERFORMER RPM PRO-FLO® EFI SYSTEMS FOR JEEP UP TO 450 HP

 

AMC and Jeep V8 owners can benefit from Edelbrock’s multi-point electronic fuel injection system. This system is ideal for owners of carb equipped AMC powered Jeeps who crave the modern all-weather, all-altitude performance of multi-point fuel injection. EFI is not affected by extreme inclines or angles. Other benefits include excellent throttle response throughout the rpm range and great fuel economy with added power gains. Systems include an assembled induction module (aluminum manifold, 4V throttle body, fuel rails and injectors), ECM with interchangeable chips (chip shipped separately), wiring harness, all required sensors, calibration module, billet distributor and a fuel pump. As a speed/density system controlling fuel and spark, the Edelbrock EFI AMC system provides total engine control without the need for a laptop computer. $2845.99 KIT

Purchase an Edelbrock Performer RPM Pro-Flo EFI System online, or call 800-248-9840.

aFe SUPERSTOCK IRF INVERTED OE REPLACEMENT FILTERS

Increased airflow, dust-holding capacity, power, torque, and fuel economy are promised with an aFe SuperStock IRF OE replacement air filter. The aFe SuperStock IRF maximizes useable space inside the stock airbox by inverting the filter. The SuperStock IRF design increases surface area by up to 76%, providing 90% more airflow than standard flat-panel OE replacement filters. The increased surface area also provides 65% more dust-holding capacity than flat-panel filters. The result is an OE replacement filter with longer service intervals and increased horsepower, torque, and fuel economy. aFe SuperStock IRF OE replacement air filters are currently available for: Dodge Cummins ’03-07, Dodge Cummins ’94- 02, Ford Powerstroke 99.5-03, GM Duramax 01-05. From $43.99 EA

Purchase aFe OE Replacement Filters or view a complete listing of aFe Products online, or call 800-248-9840.

MSD IGNITION 6AL IGNITION CONTROL

The MSD 6AL Ignition Control, PN 6420, delivers hot multiple sparks for a full 20° of crankshaft rotation ensuring complete combustion of the air/fuel mixture in the cylinders even with nitrous or exotic fuels. This improves power, throttle response, starting and idle capability. The custom wound transformer and capacitive discharge design produce full power sparks throughout the engine’s entire rpm range. The MSD 6AL also features an adjustable Soft Touch Rev Control. The rev control limits the engine rpm through the use of plugin modules and can save your engine from serious over-rev damage caused from missed shifts or broken drivetrain components. The 6AL can be used on 4, 6 or 8-cylinder engines with points, amplifiers or magnetic pickup distributors. It is supplied with rubber shock mounts, and all the necessary hardware and instructions for an easy installation. $337.99 EA.

View a complete listing of MSD Ignition Control Products online, or call 800-248-9840.

YAMAHA RHINO GAINS 4.35 HORSEPOWER WITH A K&N HIGH-FLOW INTAKE SYSTEM

K&N’s High-Flow Intake System for the 2004-2007 Yamaha YXR660 Rhino provides a performance increase of 4.35 hp and 3.5 ft-lb of torque for this increasingly popular Side-by- Side off-road vehicle. To achieve this gain, the stock Yamaha air filter and air box are replaced with a complete redesign of the Rhino’s intake system that now draws air through a reverse-tapered K&N XStream® RX Filter and a powder coated aluminum intake tube. The new intake configuration directs a more laminar flow of air to the engine, while the K&N Air Filter increases surface area and filtering capacity. Additional components include a chrome top crankcase breather, a K&N DryCharger® designed to protect the air filter in extreme conditions; a carburetor main jet for easy air/fuel mixture tuning and complete mounting hardware. P# 63-1119 $245.99 KIT

Purchase a K&N Air Intake or view a complete listing of K&N Products online, or call 800-248-9840.

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