Engine Building

How GM Ecotec Valve Springs Work

Learn how GM Ecotec valve springs control the valves, roller finger followers and high-RPM valvetrain, and how spring pressure, installed height, camshaft lift, spring rate and coil bind affect performance.

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What Happens When an Ecotec Oil Pickup Uncovers

When an Ecotec oil pickup uncovers, the oil pump begins drawing air instead of a continuous supply of oil. Learn how this causes oil pressure loss, bearing damage, and catastrophic...

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Why BK Racing Developed an Ecotec Oil Pan Baffle

Discover why BK Racing developed an Ecotec oil pan baffle instead of simply building a deeper oil pan. Learn the engineering philosophy behind our oil control system and how managing...

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Signs Your Ecotec Is Suffering from Oil Starvation

Oil starvation often gives warning signs before catastrophic engine failure occurs. Learn how to recognize the symptoms of oil starvation in your GM Ecotec, what causes them, and how early...

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