Edelbrock Rollin' Thunder Hydraulic Roller Camshaft for 1961-1965 Chevy 348/409 W-Series
350-2268
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Chevy W-Series
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| Operating Range | 1500-6500 RPM |
| Duration Advertised | 292° Intake/296° Exhaust |
| Duration @ .050'' | 230° Intake/234° Exhaust |
| Lift @ Valve | .616'' Intake/.628'' Exhaust |
| Lift @ Cam | .352'' Intake/.359'' Exhaust |
| Lobe Separation Angle | 112° |
| Intake Centerline | 107° |
| Intake Timing @ .050" | Open 8° BTDC Close 42° ABDC |
| Exhaust Timing @ .050" | Open 54° BBDC Close 0° ATDC |
Important Application Information:
Rollin Thunder Hydraulic Roller cams are for street high-performance and racing
applications only - not for heavy vehicles. Use with Edelbrock Performer RPM heads
(or other aftermarket heads), adjustable valvetrain components, screw-in studs, high performance adjustable rocker arms and at least 9.5:1 compression ratio. Headers,
high-energy ignitions, lower-than-stock rear gearing and a high-performance torque
converter (in auto. transmission equipped vehicles) are necessary.
Do not use dual valve springs. Use recommended valve springs with closed pressure of 120-130 lbs., open pressure of 320-340 lbs, and max lift of .700".
Use only stock ratio rocker arms.
Use with high stall torque converter only.
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.