Because they're ground differently, a solid-lifter cam must use solid lifters and a hydraulic cam must use hydraulic lifters. ISKY Racing Cams : - Retainers Apparel And Literature CAMSHAFTS Tools Valve Seals VALVE SPRINGS Special Order Roller Lifters Push Rod Valve Stem Oil Seal Engine Degree Wheel Distributor Drive Gear Shirt Camshaft Thrust Button Valve Spring Kit Timing Set Camshaft Kit Valve Spring Tester Camshaft Lifter Rocker Arm Rev Kit Engine Builder Tool Kit Valve Stem Seal Tool Hat Valve Spring Retainer. Your Low Price CAST FORGED CHEVROLET PISTONS PISTONS 327 769.00 M50.00 350 (2 Bolt Mains). Big roller cams and high RPM means you must increase valvespring pressure. Choosing a particular type of camshaft for an engine build is an important decision that has to be made before any other parts are ordered or machined. Also, you can't mix and match cams and lifters. This Tech Tip is From the Full Book, HIGH PERFORMANCE CHEVY SMALL BLOCK CAMS. Either type of roller cam and lifter is considerably more expensive than a flat tappet. Hydraulic rollers are becoming much more common but haven't found much of a following in high-performance circles yet, except in late-model computer-controlled cars. Most roller lifters aren't of the hydraulic type, so they require adjustment just like a solid lifter. A roller cam is normally associated with hard-core race engines, but several companies make street rollers that are docile enough for a daily driver, yet still make serious power. Hydraulic and solid, nonroller cams are also called "flat-tappet" cams. Isky Spring Chart View ISKY Cams Spring Chart. A solid-lifter cam is beneficial in high-rpm applications (6500 rpm and higher), but it requires a lash adjustment every few months. Isky Cam Lobe Master Chart View ISKY Cams Lobe specification chart. TYPE OF LIFTER: A hydraulic-lifter cam is the best choice if the car is to be a daily driver, because it doesn't need periodic lash adjustments.
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