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The debate between fans of overhead cam engines, and those who prefer a pushrod-actuated cam-in-block architecture has raged across the internet for decades. In the end, however, neither system is best. Any valvetrain which relies on using a camshaft to open and close valves has significant drawbacks for all but the most-focused, extreme use operations. Think, particular motorsports where peak power mattes more than any other metric of performance. "Freevalve" engines are what is the next step in internal combustion engine development. These replace the traditional internal combustion valvetrain using camshafts, rockers, and more with electro-hydraulic-pneumatic actuators to operate each individual...

Le sigh. It's happened again. Our latest project car, the 4DMILF Subaru wagon, is finally turbocharged and ready to make the kind of power the styling suggested it had... then disaster. CLICK HERE to view the catastrophe. If your only experience with Subarus is via memes, you'll probably think it's pushed a head gasket. However, the reality with turbo Subarus is the design of horizontally-opposed turbo engines means you're FAR more likely to spin a rod or main bearing. Which is only one step down the list of "Terrible Things You Don't Want Happening To Your Engine" from throwing a rod...

Homologation is a big word, but it's impact on car culture is all-time. The process of making a road-going variant of a race car to qualify that race car for a particular class of motorsport has given us some of our most-vaunted automotive heroes.  Stretching back to the early 1960s, the explosion of racing production cars in touring cars, NASCAR, rallying, sports cars, drag racing, and more, occured across the globe. From European circuits to New Zealand rally trails, American speedways and drag strips to Aussie road courses, car manufacturers realised the publicity of winning sporting contests helped raise their...

Forget the GT-Rs. Leave the WRXs aside. Today we're going to look at 5 classic cars which can be made into rad project cars, but are bargain pick-ups as they're so under-appreciated today it's almost criminal.  1. Mercedes-Benz W126 Big Benzos cost bank when new or when they're pieces of ancient art. But, once they're over 20 years old they're actually cheap to buy. As with ANY old high-end car these things can hide pleny of expensive, complicated repairs, but then that's all part of the ride whether you're buying an old Benz, a Jag, or something COMPLETELY fruity like...

If you've seen the LATEST EPISODE of our 4DMILF show car rescue you'll have seen things didn't quite go to plan when we set out to replace the clutch in our newest nugget. In fact, we had an absolute Barry Crocker.