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Performance Engine Building

Replace the Camshafts

If fuel is the lifeblood of an engine, the camshaft is the heart. Therefore, giving your machine a stronger will help determine the amount of power your engine produces. The camshaft also affects where within the RPM range the maximum power will be achieved. Replacing the camshafts with higher-quality parts is generally the easiest and least expensive way to increase an engine’s performance, though it can become more costly if you replace other parts and do a little machining along the way.

Increase Compression

Increasing the compression ratio in your engine involves changing the ratio of the maximum piston volume to the minimum compressed volume of the fuel and air mixture in your engine. As a result of the increased compression, the fuel and air burn faster. In turn, this increases both horsepower and torque across the entire RPM range. As a secondary benefit, it also helps your engine burn more cleanly and efficiently. Some methods for increasing compression include surfacing the head, installing a thinner head or base gasket, decking the cylinder or using pistons with a different profile. When raising compression, the goal should be to increase it to the point just before detonation. Keep in mind that you may need to raise the octane of your fuel after increasing compression.

Install Titanium Valves

If your engine came with steel valves, you can increase red line by upgrading to titanium. Not only are titanium valves stronger, but they are also more lightweight. When it comes to increasing performance, reducing weight is always beneficial.

Reduce Friction

Reducing friction within your engine will help your engine achieve its full horsepower potential. To reduce friction, use ceramic bearings and Diamond-Like Carbon (DLC) coatings. Ceramic bearings are also available for front and rear wheel bearings.