With all the off-the-wall builds and professionally built racers we’ve seen on this blog, featuring a grassroots effort would seem out of place. But it’s the efforts and enthusiasm of individuals like these that keep motorsports alive.As you’ve seen on the picture above, our featured car is a Dodge Magnum SRT8. It’s a daily driven car that’s also sees regular weekend use at the dragstrip. At this point, the car is stock inside and out, except for a few bolt-on mods. Of course, the main ingredient, despite being an original factory install, is a 6.1 liter Hemi which produces 425 horsepower and 420 ft-lb of torque. Starting with the typical cold air intake and a cat-back exhaust, this station wagon is being constantly tinkered with, where it now has a 150-horsepower nitrous shot, from the original 50-hp shot.
In preparation for installing nitrous on the Magnum, the transmission valve body solenoids were upgraded and a driveshaft loop was put in place for safety. An SLP Line Lock was also installed. On the 50-shot nitrous setup, quarter mile times improved by 1.1 seconds. The next modification was a more practical one, that of installing a trailer hitch so that the weekend race team could tow their pit gear with a U-haul.
The installation of the 150-hp nitrous system showed a dyno reading of 548 horsepower at the wheels. The 150 shot is the maximum that can be used on a stock internals Hemi, so 550 horsepower at the wheels is a pretty good number. In fact, the team could not immediately harness that power as the rear axles proved to be a weak point in the drivetrain. Together with replacement axles and an LSD unit, steeper gear ratios were installed. As you can see, the modification bug has hit the owner of this car, Alex, who also drives it down the track.
Source for this article is here.
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