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Hypermiling a Ram 1500 EcoDiesel to 38.1 mpg

You never quite know what Wayne Gerdes has up his sleeve. The man who coined the term hypermiling is always looking for adventurous ways to prove that anyone – even you... yes, you – can eke out more miles per gallon just by changing the way you drive. Saying that is easy. Proving it by going on outlandish cross-country drives is hard. But for Gerdes and his team of fuel economy fiends over at CleanMPG, hard is half the fun. Our latest adventure appeared, at first glance, to be nearly impossible. Which is why we always answer the phone when Gerdes calls. He likes to take journalists along on his drives, not only to try teach us how to hypermile but also to prove that we can be taught. The first time I 'helped' him and his team was when we got over 30 miles per gallon in a 2011 Ford F-150 XLT with the EcoBoost 3.5-liter V6. The EPA rated that truck with at just 16 mpg in the city and 22 on the highway. So, we'll count that trip as a success. Next up was a cross-country drive last fall in a trio of Audi TDI vehicles to prove that you don't need to drive extra slow to beat the EPA numbers. In fact, we made it from Los Angeles to New York City in just over 46 hours, cramped but not cranky. We had once again proven that how you drive is hugely important to your fuel usage. Our latest adventure appeared, at first glance, to be nearly impossible. The EPA says that the Ram 1500 EcoDiesel we would be driving gets just 22 combined mpg (19 city and 27 highway). Gerdes' idea was to drive it as far north from Houston, TX towards Detroit, MI as we could go on one tank. The day before we left, our itinerary got an extra stop. Instead of taking one of the official Shell Eco-marathon prototype vehicles to Detroit, it was decided to bring the winning diesel-powered prototype from the just-finished event to The Henry Ford Museum, where it had been arranged the car would be displayed. The winning car was built by a small team (just four students) from Sullivan High School in Sullivan, IN, who managed to beat a number of college teams with a score of 1,899.32 mpg. That target would be a bit out of reach for the Ram, but could we get 1,000 miles from the tank? Since the truck has a 26 gallon tank (officially, anyway), that would mean the EPA says we could only go 702 miles, assuming all highway driving. Could we make up 300 miles with careful driving? That spells both challenge and fun.

Junkyard Gem: 1987 Dodge Ram 50 with V8 swap

Chrysler did very well selling Mitsubishi Forte pickups with Plymouth and Dodge badging in the United States, even after Mitsubishi began moving the same trucks out of their own American dealerships in 1982. The 1987 Ram 50 2WD short bed weighed in at just over 2,500 pounds, so it was reasonably perky with its 2.0-liter G63B four-banger making 90 horsepower… but there's no replacement for displacement! At some point along the line, a Chrysler small-block V8 engine found its way into the engine compartment of this truck, now residing in a car graveyard in Sparks, Nevada. This was the cheapest new Dodge-branded pickup Americans could buy as a 1987 model, though it had to compete with its near-identical Mitsubishi Mighty Max twin for sales. The 1980s were great times for little pickups in the United States, but a desire for bigger cabs and more creature comforts doomed them by the dawn of the following decade. The most interesting thing about this engine swap is that it didn't involve a Chevrolet or Ford small-block V8. Both the Chevy small-block and Ford Windsor V8s are a few inches narrower than the Chrysler LA-series V8, which makes them easier to stuff into a small vehicle. It appears that engine length was the critical dimension in this case, since the Mopar seems to have had enough side-to-side clearance to avoid any slicing of Mitsubishi steel to make it fit. My guess is that whoever did the swap happened to have the engine handy and that's why it's here. Keeping it all Dodge might have been a factor in the decision as well, though the truck's Mitsubishi ancestry makes that unlikely. It was over 100°F out when I found this truck, so I wasn't motivated to check block casting numbers to determine exactly which LA engine we're dealing with here. The easiest LAs to get cheap for the last four or so decades have been the 318 (5.1-liter) and the 360 (5.8-liter), so one of those two is the most likely candidate here. Power levels for these engines got pretty dismal during the Malaise Era, but anyone with the wrenching skills to do this swap would have applied some basic power-enhancing wizardry before the engine went in. We can see there's an Edelbrock Performer intake manifold, and you might as well stab in a better camshaft if you're upgrading the intake. How much power? With a four-barrel carburetor on a dual-plane intake plus a meaner cam, 300 to 350 horsepower is easily achieved with one of these engines, even with stock exhaust manifolds.

Junkyard Gem: 1987 Dodge Ram 50

Chrysler began selling Dodge-badged Mitsubishis way back in the 1971 model year, when the Mitsubishi Colt Galant became known here as the Dodge Colt. Later in the decade, a Plymouth Arrow-badged version of the Mitsubishi Triton small pickup appeared here, along with a Dodge version known as the D-50 and — a few years later — the Ram 50. Once Mitsubishi began selling the same trucks here as Mighty Maxes, starting in the 1983 model year, the Ram 50 didn't seem quite so specialÂ… and then the Dakota made its debut for the 1987 model year. Still, when the Triton went to its second generation that same year, Chrysler continued selling it as the Ram 50. Here's one of those second-generation trucks, found in a Denver-area self-service yard last month. At this point, GM had long since stopped selling Isuzu Fasters with Chevrolet LUV emblems, as had Ford with the Courier-badged Mazda Proceed (after developing the all-American S-10 and Ranger, respectively). The decision-makers at Chrysler, however, calculated that the Ram 50 could grab some sales from Dodge truck shoppers who felt that the Dakota was too big for their needs; as a result, the Ram 50 stayed on sale here through 1994. The last Mighty Maxes rolled out of American Mitsubishi showrooms in 1996. The 6G72 V6 engine became available in four-wheel-drive Ram 50s a few years after this truck was built, but in 1987 all Ram 50s came with either the 2.0-liter 4G63 Sirius or 2.6-liter Astron four-banger. This truck has the base Sirius, rated at 92 horsepower. Remember when new trucks came with double-digit horsepower ratings? Most American-market small pickups still had manual transmissions during the middle 1980s, though that would change in a hurry with the dawn of the 1990s and the drop in slushbox prices. This one has the base five-speed. Just barely 100,000 miles on the clock, very unusual for a junkyard pickup of this age (especially one with a thick coat of brush-applied white house paint on the tailgate). Maybe the speedometer cable broke 25 years ago. You don't see many rear-wheel-drive pickups with roll bars. You'll find one in every car. You'll see. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Dodge Ram 50 Commercial 1987 Those other Japanese imports hallucinated the Ram 50 in alarming ways. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.