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How to tune a car right: Part 3, tuning Mopar with OST Dyno

Not long ago, I wrote a story about a pony car tuned with a supercharger. The blower install had been done properly. Then the car's owner bolted on a set of great looking wheels wrapped in good looking but inexpensive rubber. On my first test drive, I couldn't get any of that supercharged sweetness to the ground. It was the perfect ride for parking in a Burger King parking lot on a Friday night. I tooled around on a Sunday drive, shaking my head that someone had spent five figures to get more power the right way, with a clean install, then wiped out the gains so thoroughly that the stock engine would likely have overwhelmed the tires. This got me thinking about the ways people ruin their quest for horsepower, either on the front end by not insisting on a clean install and paying the money for it, or on the back end with supplemental purchases like cheap tires or cheap gas. So I called three tuners, one focused on GM, one on Mopar, one on Ford, to find out what people should know about how to get the best power for their goals, and how to make sure they are able to use all that power. The first interview in this three-part series was with Blake Leonard at Top Speed Cincy in Cincinnati, Ohio, the second with Brandon Alsept at BA Motorsports in Milford, Ohio. This third and last interview is with Micah Doban at OST Dyno in Slippery Rock, Pennsylvania, a family business with more than 40 years of Mopar expertise specializing in Gen III Hemis, but tuning everything from land-speed cars and drag racers to Jeeps The interview has been edited for clarity and concision. Do people who come to OST generally know what they want? Probably 80% of the people who come in simply want more power with no particular ET goal [ET is a kind of bracket handicapped drag racing – ed.]. WhatÂ’s the best way to start a Mopar tune? The first thing is what people often skip, and that's to find a tuner or a shop. People will throw parts on their cars that the Internet said to, then go to a tuner who does things a different way, and [the tuner is] like ‘No we don't like to use these injectors, we don't like these parts.Â’ You have to find someone familiar with the parts that are on your car or that you're planning to put on your car. So having a goal and then finding a tuner who can help you with that goal is proper way to start. Exactly. And a lot of tuners have their own formula – and when I say tuner I mean someone that also does work to the cars.

Chrysler almost smothered the Hellcat before it lived

Chrysler's 6.2-liter supercharged Hellcat V8 was an absolute sensation from the very moment it was announced, and honestly, how could it not have been? Packing 707 horsepower and 650 pound-feet of torque, its numbers immediately put every other production muscle car (and many supercars) to shame. Plus, we soon learned that would be wrapped in a package retailing for around $60,000 - a pittance compared to other vehicles offering similar grunt. However, the Hellcat almost never got the chance to rumble under the hood of the Challenger and Charger.
The Hellcat was initially proposed back in 2011, back when Fiat was deciding its future strategy for Chrysler Group, according to Automotive News. At the time, the company was just emerging from its bankruptcy doldrums, and an ultra-high-performance V8 wasn't exactly a must-have item. The program didn't move forward. However, SRT engineers kept fighting, according to AN, and four months later, they received the green light to pull the project off the shelf and continue developing the Hellcat. The muscle car world is certainly better for that decision.
The work of those engineers focused on taking Chrysler's standard 6.2-liter V8 and making it reliably handle all of the extra power from the supercharger. "It came down to micron levels of changes in the crank to be able to withstand the pressures of the engine," said Chris Cowland, director of advanced and SRT powertrain, to Automotive News. The changes amounted to switching out about 91 percent of the parts to make the Hellcat, including some quite minuscule alterations. For example, the washer holding the supercharger pulley is embedded with industrial diamonds to keep it from slipping.

Subaru Impreza WRX, Dodge Charger police car from 'Baby Driver' are for sale

Fans of " Baby Driver," now is your chance to own some seriously cool bits of movie memorabilia. Allpro Subaru is currently selling two of the cars from the film. The first is one of the red Subaru Impreza WRXs that were used for some of the film's signature stunts, which made the red rally sedan the de facto hero car of the movie. There were a number of stunt cars used to represent the hero car, including a modified WRX and an STI with a WRX wing. This particular one, a 2006 model, is a little more interesting, as it was the one that was converted to rear-drive to make it easier to complete stunts with it. According to the description, it also has a turbocharger from a 2004 STI to make more power, which fits what stunt driver Jeremy Fry told us. The description reveals other interesting tidbits. The car does have a clean title and has 158,000 miles on it. Obviously some of those miles were a bit rough, and the description notes that the stunt driving has led to some cosmetic defects. The AutoCheck vehicle history report reveals more. Apparently this Impreza WRX led a rough life before filming, as it had four mild to moderate crashes reported. It also appears that it will need the Takata airbag replaced. But on the plus side, this car is a unique piece of car and film history, and its rear-drive layout should make it interesting to drive. On top of that, it also has a leather interior that appears to be in good shape. View 5 Photos You'd better have a healthy bank account before trying to buy this WRX. As of writing, the bidding has reached $40,300. If that's too pricey, though, Allpro Subaru has yet another car from the movie. It's a 2011 Dodge Charger police car in Atlanta, Ga. police livery, complete with a V8. It's also pretty thoroughly wrecked, though the description says that it is drivable. Based on the bullet holes in the windshield, the Charger appears to be the one used in the (mild spoiler alert) final showdown between Baby and Buddy. But because this car is much less famous and in far worse shape, it's also much cheaper. Bidding has only reached $3,000 at the time of writing. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Featured Gallery 2006 Subaru Impreza used in Baby Driver News Source: eBay / Allpro Subaru via JalopnikImage Credit: eBay / Allpro Subaru TV/Movies Dodge Subaru Auctions Police/Emergency Performance Sedan impreza wrx baby driver