The Ultimate Tune-Up
It’s Not What You’ve Got, It’s What You Do With It
Photography by Christian Hazel
Would you think it's possible to increase horsepower, torque, and fuel efficiency by about 10 percent with just a tune-up? Neither did we, but that's just what a trip to The Dyno Shop got us.
We wanted to see what kind of gains could be had by dyno-tuning a relatively stock, high mileage engine typical of what the average four-wheeler drives. Our test mule was an '85 Ramcharger with an Edelbrock Performer manifold, Carter AFB carb, MSD coil, Mopar Orange E.C.U., high-performance plug wires, a 180-degree thermostat, 4.10 gears, and a Flowmaster muffler. The remainder of this 195,000-mile 318 was completely stock.
To see how it went, click on the sidebar links below.
The Dyno Shop
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