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Mitsubishi 4B11 Engine Guide: Factory Secrets, MIVEC Technology, Timing Chain Specs,...

The Mitsubishi 4B11 has more going for it than most enthusiasts realize. We examine factory engine specifications, forged internals, MIVEC technology, timing chain construction, and practical performance considerations using Mitsubishi's own technical documentation.

How to Replace Valve Cover Gasket Without Leaks

Learn how to replace valve cover gasket leaks at home, choose the right parts, torque the cover correctly, and keep your engine bay oil-free for good.

Engine Oil Sludge Causes and How to Fix It

Engine oil sludge can choke lubrication and shorten engine life. Learn its causes, warning signs, safe cleanup options, and prevention tips for drivers.

Thermostat Replacement Steps for a Cooler-Running Ride

Follow thermostat replacement steps that protect your engine, restore stable temperatures, and help you choose the right thermostat and gasket for a car.

Best Spark Plugs for Turbo Cars That Deliver

Find the best spark plugs for turbo cars by matching heat range, gap, material, and power level. Get clean spark, safer boost, and fewer misfires today.

Ethanol Doesn’t Damage Engines… Apparently. So Why Does Everyone Keep Arguing...

If you've spent more than five minutes on Facebook lately, you've probably seen someone confidently declaring one of two things:

How to Replace Fuel Injectors the Right Way

Learn how to replace fuel injectors the right way with prep tips, install steps, torque basics, and mistakes to avoid on your car or truck.