Technical Resources

Oil in the intake tubing. Oil in the throttle body. Oil pooling inside the intake manifold. The dipstick pushing itself out of the tube. Rear main seal leaks that keep...

Most Ecotec “kicked rocker” failures don’t happen instantly — the valvetrain usually loses control long before the rocker exits the engine. Hydraulic lash adjusters become unstable under high RPM, aggressive...

Most racers think stock Ecotec valve springs are “fine” until catastrophic valve float occurs — but the valvetrain usually starts losing control much earlier. Learn why rocker instability, valve bounce,...

The factory Ecotec clutch line was designed for comfort — not hard launches, high RPM shifting, traction blocks, and aggressive racing abuse. Once horsepower and drivetrain shock increase, the factory...

Why BK Racing Limited Slip Blocks Outperform a Welded Differential in Dirt Racing For years, dirt track racers welded differentials because it was cheap, simple, and guaranteed both tires would...

Proper camshaft degreeing is critical for maximizing power, throttle response, and reliability in high performance GM Ecotec engines. Learn how accurate cam timing affects your powerband, valve timing, and overall...