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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.

FCA inline-six rumored to be real, headed for Jeep Wagoneer

In September, Allpar reported that that clues being dropped at Fiat- Chrysler headquarters, in the carmaker's factories, and on engineer resumes pointed to the development of an inline six-cylinder engine. The site has just proclaimed the rumor is reality, writing that the straight-six, "turbocharged to meet or beat 5.7 Hemi power ratings, with a smoother torque curve, is on the way." The motor's first outing is expected to be either the next-generation Jeep Grand Cherokee, debuting perhaps next year, or the Jeep Wagoneer, debuting in 2020 or 2021. "Tornado" is the purported codename for the power plant said to be just under three liters in displacement, expanding the family begun with the Global Medium Engine 2.0-liter turbo codenamed Hurricane. Engine bay constraints and a long use horizon mean engineers won't simply add two more cylinders to the GME, however. Allpar says the brief is to keep the Tornado GME-T6 — the alphanumeric for "turbocharged six" — no more than three inches longer than the Tigershark 2.4-liter four-cylinder. That means "major design changes" that could include a space-saving head, more closely spaced cylinders, and no cylinder liners. An FCA division called Comau could be called on for its "SmartSpray" plasma lining technology. Allpar muses that the standard version of the engine for Chrysler, Dodge, Jeep, and Ram could get a single twin-scroll turbocharger. Performance trims for Alfa Romeo and Maserati could get different heads and maybe twin turbos, an SRT version might also get both those tweaks. History shows that the Italian versions would make changes to the block, as well. Even so, the Tornado would be less expensive than any Ferrari-supplied V6. A straight-six would put FCA in company with current adopters BMW and Mercedes-Benz, future users like Jaguar, and perhaps Aston Martin. The engine would span the widest range of use cases in the U.S. carmaker's portfolio, though. Potential applications include being a base engine for Ram trucks, serving double duty as a base engine and 5.7-liter Hemi replacement for the Dodge Charger and Challenger, working in the high-end Jeeps, and as a properly hot trim — with Ferrari-designed heads — in the luxury Italian sports cars. The Alfa Romeo Giulia begs for just such motivation to fill the gap between the 280-hp, $42,695 Ti Sport RWD and the 505-hp, $73,700 Giulia Quadrifoglio RWD. And a twin-turbo inline-six in a Maserati Alfieri would stack up nicely with the Germans.

2018 Chrysler Pacifica Hybrid Long-Term Update | Nokian winter tires in a winter wonderland

Winter is technically over now, but the cold and snow are maintaining their grip here in Michigan. While much of the country is bouncing right along into a warm spring, we're happy to still be wearing our Nokian Hakkapeliitta winter tires on our long-term Chrysler Pacifica Hybrid. You can't count out another massive blizzard even into late April here. That said, we're hoping the worst is over, so it's time to take stock of how the winter tires performed on the front-wheel-drive minivan. Nokian produced the first winter tire ever in 1934, so one could say that they've had awhile to figure this out. The tire model we were provided for our van is the Hakkapeliitta R3 SUV. The Pacifica is obviously no SUV, but at almost 5,000 pounds it's perfect for this flavor of tire. Nokian says they're designed for high performance SUVs and are made with Aramid sidewalls to resist punctures or cuts. Chrysler fits the Pacifica Hybrid with all-season tires from the factory, but we were determined to make it a proper seven passenger sleigh. We got a fair amount of snow this year in Michigan, but I encountered the worst conditions on a road trip to Buffalo, N.Y. I was actually sort of hoping a lake-effect blizzard might present itself as a challenge, and my snow prayers were answered with authority. Inches of snow don't usually pile up on highways here easily with the amount of plows and salt typically employed, but it did in this storm. The Pacifica hardly flinched from the deep tracks of powder on the road. Near-whiteout conditions forced slow driving, but the Pacifica never felt like it was going to slip and slide out of its lane as I tracked around highway bends with increasing speed. Braking was impressive, as the tires managed to find grip in the snow that all-season tires just can't match. Thankfully, I never needed 100 percent lock in any emergency situations, but I tried it out in some empty parking lots to see how well it does at hauling everything to a stop. The Nokians performed admirably here, too. With ABS firing away, the winter rubber finds grip in places all-seasons would just slide on by. Starting wasn't much of an issue, either. We tested the tires in anything from dustings to snow that was about six inches deep and largely untouched by other vehicles. The front tires would scrabble for grip initially with greater throttle inputs in the deep stuff, but they'd hook and pull the van forward with authority after a quick second.