Description
The Thumpr™ Camshafts are a series of hydraulic flat tappet and hydraulic roller Camshafts that are now available for most popular applications, carb and late model EFI. The reason that the new Thumpr™ Camshafts have such an aggressive exhaust note is that the lobe profiles and grind characteristics chosen by the COMP Cams(R) engineers produce a combination of early exhaust Valve opening, long exhaust duration and a generous amount of intake and exhaust overlap to maximize the rough idling characteristics of the cams without negatively impacting the power output or streetability. Thumpr™ cams deliver incredible muscle car sound and a new level of streetable performance.
Camshaft; Thumpr Chevy Small Block 4.3L-6.6L/262-400 Cubic Inch Hydraulic Flat Tappet 2000-5800 RPM Range 227 Degree Intake Duration @ 0.050 Inch Lift 241 Degree Exhaust Duration @ 0.050 Inch Lift 0.479 Inch Intake Valve Lift 0.465 Inch Exhaust Valve Lift 107 Degree Lobe Separation
Features & Benefits
- Available In Both Hydraulic Flat Tappet And Hydraulic Roller Designs For Most Popular Applications, Carb And Late Model EFI
- Three Unique Grinds For Each Engine To Fit All Cruising And Street Performance Needs
- Long Exhaust Duration And Other Grind Characteristics Produce A Powerful, Hard Hitting Exhaust Note
- Designed For Use With The Latest In Valve Train Component Advancements Such As Beehive™ Valve Springs, Pro Magnum™ Roller Rockers And Magnum Pushrods
- Limited 1 Year Warranty
Attributes
- Engine Compatibility: Chevy Small Block V8 262-400 Cubic Inch
- Recommended Use: Mild Street Performance To Mild Race
- Type: Hydraulic Flat Tappet
- Intake Duration At 0.050 Inch Lift (DEG): 227 Degree
- Exhaust Duration At 0.050 Inch Lift (DEG): 241 Degree
- Intake Centerline Angle (DEG): 102 Degree
- Intake Valve Lift (IN): 0.479 Inch
- Exhaust Valve Lift (IN): 0.465 Inch
- Lobe Separation Angle (DEG): 107 Degree
- RPM – Low: 2000
- RPM – High: 5800
- Advertised Intake Duration (DEG): 279 Degree
- Advertised Exhaust Duration (DEG): 297 Degree
- Grind Number: 279TH7
- Computer-Controlled Compatible: No
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