Our Top 5 Production Chevy Big Block Rat Motors of All Time

In 1965, Chevrolet began offering the big block Chevy Mark IV—better known as the Rat. This wasn’t Chevy’s initial go-around with big block engines as its Gen. I W-series big blocks were first offered in 1958. However, the Mark IV engines (originally called Gen. II) improved upon the design of the original W-series engines and helped

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Video: Inside Ken Prather’s Mid-Engine V8-Powered 1962 VW Microbus

What possesses someone to stuff a blown 355-cubic-inch small block Chevy inside (and we mean literally inside) a 1962 Volkswagen Microbus? Come to think of it, what makes someone chop, shave, and out-and-out hot rod a VW Bus? We like to call it pure genius. That’s the short answer, at least. If you’d like to hear

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Mailbag: Swapping a 383 into a Dodge Dart Sport

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re cramming a 383 into a 1974 Dodge Dart Sport. C.B. Oshkosh, WI Q: I have a 1967 Chrysler Newport with a 383 and a 1974 Dodge Dart Sport with a 318 and four-speed transmission. I would like to put the 383

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Quick Tech: Crossplane vs. Flat Plane Crankshafts Explained

Flat plane crankshafts are nothing new. However, with the recent introductions of the Shelby GT350 and GT350R, flat plane crankshaft design has been garnering a lot more attention. And it’s been raising a few questions, too. Namely, what is a flat plane crankshaft? How does it differ from a crossplane crankshaft? And what are the benefits to

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RAM Rebel and RAM 1500 EcoDiesel Make Debut in Detroit

Chrysler has introduced a couple new flavors to its RAM truck line at the North American International Auto Show in Detroit. 2015 RAM Rebel 1500 The RAM Rebel brings an off-road styling package to the RAM 1500, including a new black off-road front bumper, blacked-out Rebel grille, twin-snorkel sport hood, silver skid plate, front tow hooks,

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Ford Introduces Mustang GT350R at NAIAS in Detroit

Ford has introduced its answer to the Camaro Z/28. Unveiled at the North American International Auto Show in Detroit, the new 2016 Mustang GT350R is the race-ready version of Ford’s latest GT350. You basically get all the power of the GT350’s flat-crank 5.2L V8–500 horsepower and 400 ft.-lbs. of torque–in a lighter, aerodynamically-enhanced package. In other words,

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2017 F-150 Raptor to Shed Weight, Gain EcoBoost

According to reports out of Detroit, where the North American International Auto Show is taking place, the 2017 Ford F-150 Raptor will be getting a boost—as in EcoBoost. The truck will feature a 3.5L EcoBoost V6 engine that will reportedly make more power than the current model’s 6.2L V8, which puts out 411 horsepower and

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