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Technical Articles for Part Number CCA-34-600-5
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
Camshaft, Hydraulic Flat Tappet, Advertised Duration 278/296, Lift .506/.493, Ford, Big Block 385, Each
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Overview
Brand:
Manufacturer's Part Number:
34-600-5
Part Type:
Product Line:
Summit Racing Part Number:
CCA-34-600-5
UPC:
036584213024
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
2,000-5,800
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
241
Duration at 050 inch Lift:
226 int./241 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
296
Advertised Duration:
278 int./296 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.506 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.493 in.
Valve Lift with Factory Rocker Arm Ratio:
0.506 int./0.493 exh.
Lobe Separation (degrees):
107
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
279TH7
Valve Springs Required:
Yes
Quantity:
Sold individually.
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things grab our attention at a car show or cruise-in like a thumping, high performance idle. In fact, one of the most frequent questions from customers is, "What camshaft will give my car that mean-sounding idle?" For the performance and sound you demand, COMP Cams engineers introduce the Thumpr camshafts—a new series of hydraulic flat tappet cams. The lobe profile and grind characteristics of Thumprs use 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. They give you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in several grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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