Subaru EJ257 Bottom-end Breakdown

When Magnus Ohlaker (head machinist and engine assembler at Club DSPORT’s Engine Development Facility) was asked “what is your favorite aftermarket engine?”, we never expected Magnus to say the Subaru EJ257. Later, we learned it was because Magnus had assembled over 400 of these engines while working at Cosworth Engineering. […]

Read More

How To: Five Ways to Build a Bulletproof Engine Block

What is bulletproofing? In terms of high-performance engines, bulletproofing refers to increasing the power handling capacity of an engine beyond the desired power level. Depending on the design of the engine and the magnitude of the power handling increase desired, the bulletproofing process will vary. The parts and processes needed […]

Read More

Rotating Assembly 101: Rods, Pistons, and Crank

Imagine accelerating from a dead stop up to a average velocity approaching 5,000 feet-per- minute and back down to a dead stop 125 times every second. Now, imagine doing this in an environment seeing combustion gasses in excess of 1,400 degrees Fahrenheit. Sounds like Hell and that’s exactly what each […]

Read More

Camshaft Showcase: 4G63 EVO Build

Mitsubishi’s 4G63 engine is arguably one of the best four-cylinder engines ever built. While the early variants set records powering DSMs, later versions of the engine propelled the EVO VIII and EVO IX. In terms of strength, power potential and ease of service, the 4G63 engine simply has no equal. […]

Read More

Manley Performance VR38DETT Connecting Rods

Connect Six Above 700 ft-lbs. of torque, the factory connecting rods of the VR38DETT engine begin to quickly bend out of shape. Achieving a 9-, 8- or 7-second E.T. simply requires the internals to be fortified, beginning with the rods. To meet the needs of high-horsepower R35 GT-R’s, Manley Performance […]

Read More