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Jeep Grand One and Quicksand Concepts lead the charge to Moab

Jeep's past, present, and future all share equal billing at the 51st annual Easter Jeep Safari in Moab. We're suckers for vintage Jeeps, so the all-new Grand One Concept really stands out among the seven vehicles that make up Jeep's conceptual take on the off-road event. It's based on a 1993 Grand Cherokee in a slightly early celebration of the model's 25th anniversary. Exterior mods include custom fender flares for clearance over 18-inch wheels and 33-inch BFGoodrich Mud-Terrain KM2 tires, trimmed front and rear fascias and what FCA is calling a "subtle wood grain" splashed on the vehicle's bodysides. An extended wheelbase ought to offer a bit more room inside, and a two-inch suspension lift will help when the going gets tough. No alterations are mentioned to the vehicle's 5.2-liter V8 or 4-speed automatic transmission. The second most interesting concept for Moab is the Jeep Quicksand. It's clearly Wrangler-based, but instead of a traditional rock-climbing focus, this one's built for the sand dunes. Power comes from a worked-over Mopar 392 Crate HEMI engine topped with an eight-stack fuel injection system that peeks through the hood. A six-speed manual sends the ponies to all four wheels, but with a unique twist: 32-inch BFGs in the front and 37s in the rear in what Jeep says is its first application of staggered tire sizes on a concept vehicle. A Warn winch concealed in a vintage-style Moon tank at the front is the finishing touch. The Jeep Safari Concept is all about letting the outdoors in while keeping the elements out. A translucent hardtop and four aluminum and clear vinyl doors are the most obvious changes from stock, and two rear seats have been angled outward so that their occupants get a better view outside. Dana 44 axles and a two-inch suspension lift come from the Mopar parts catalog, but the roof-rack-mounted drone and dash-mounted iPad are custom one-off touches. Power comes from a stock 3.6-liter V6 and five-speed automatic transmission. Perhaps more intriguing than all the custom bits and baubles, though, are what appears to be next-gen Wrangler bodywork. Take a look at the kinked grille, the outer slats of which are pinched by the headlights, and the shape of the rocker panel between the front and rear door. No, this isn't exactly a 2018 Wrangler hiding in plain sight, but it's certainly a nod toward the future. Jeep's Switchback Concept looks to be a rolling Mopar parts catalog.

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.