Tag Archives: Valve Springs

A New Deal

Our test engine was a 496ci big-block Chevy fitted with a 4340 steel Scat crank and I-beam connecting rods pinned to a set of 12.5:1 compression JE forged pistons. Lubrication chores were handled by a Milodon oil pan and pump package. Brule added the Crane hydraulic roller cam protected with Lucas Engine Assembly Lube.

The Advantages of a 7,500 RPM Rat Motor with Hydraulic Roller Lifters Words: Jeff Smith; Photos: Steve Brule and Jeff Smith “Wait… what? Spin a big-block Chevy to 7,500 rpm with hydraulic roller lifters? No way. Big-blocks have big heavy valves, springs and bad rocker geometry. That kind of rpm will kill that hydraulic roller lifter.” We’ve all heard that kind ... Read More »

Lunati Dual Valve Spring Kit For Chevy Small Block Applications

Lunati now offers a ready-to-install, complete Dual Valve Spring Kit that includes springs, retainers, valve locks, valve stem seals and locators to extend engine RPM and boost performance for all Chevy Small Block V8 engines. Lunati’s new kit (Part #73925K2) features chrome silicon alloy, precision wound, heat-set, 1.306″ O.D. dual valve springs for required valve spring seat and open load ... Read More »