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COMP Cams CL20-223-3 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts

COMP Cams CL20-223-3 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts

COMP Cams#249-CL20-223-3

Xtreme Energy XE268H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .477''/.480''
Duration: 268°/280°
RPM Range: 1600-5800
  • Fits Applications:
  • 1971-1972
    CHRYSLER
    1974-1986
    CHRYSLER
    1964-1986
    DODGE
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COMP Cams CL20-223-3 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts Details

Chrysler 273-360ci Small Block 1964-2000

Note: The basic 273-360ci engines, produced since the mid-1960's, have remained relatively unchanged as far as the valve train is concerned. The 1964-91 engines used shaft type rocker arms which required some special changes in the camshaft design to allow oil to flow to the top of the engine and into the rocker arm shafts. Most of these early engines featured either grooved or offset holes in the third and fourth cam journal. In some instances a combination of both grooves and holes were employed. You must remember that if your engine has shaft type rocker arms there must be some groove or oiling hole combination on the cam journals. Chrysler began producing engines with hydraulic roller cams in 1986. These early roller cam engines still used the shaft mount rocker arms and had oil holes in the #2 and #4 bearing journal. Early 1986-91 318ci/5.2L and early 1987-91 360ci/5.9L engines equipped with hydraulic roller camshafts and lifters will allow conventional hydraulic, mechanical or roller camshafts and lifters to be installed in these engines, providing the appropriate components are used. In 1992 the new Magnum ''A'' engine was released using a pedestal style individual mount rocker arm design that oiled through the pushrod and did not have oil holes in the cam. There were also two different styles of snouts on the cams, the longer snout (.950'' from the first step) accommodates a fuel pump eccentric and the upper timing gear while the shorter snout (.650'' from the first step) came in the fuel injected engines that do not use a fuel pump eccentric. Using the wrong cam core will result in engine failure. It is very critical that the new cam match the old cam's characteristics.

Great for street machines, largest cam for stock converter, 273-318 works best with 2000 stall.

Operating Range:1600-5800 RPM
Duration Advertised:268° Intake / 280° Exhaust
Duration @ .050'' Lift:224° Intake / 230° Exhaust
Valve Lift w/1.5 Rockers:.477'' Intake / .480'' Exhaust
Lobe Separation Angle:110°

COMP Cams CL20-223-3 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts

The Leading Edge of Valve Train Technology

Comp Cams Xtreme Energy series are perfect for any street or street/strip application where both throttle response and top-end horsepower is desired. These camshafts are designed to take advantage of the latest and greatest in valvetrain technology . Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration @ .050'' lift, while delivering increased engine vacuum. We do not recommend the use of stock valve springs with these camshafts due to the aggressive lobe designs.

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

COMP Cams 249-CL20-223-3

Intake Valve Lift (in.)
0.477
Exhaust Valve Lift (in.)
0.48
RPM Range
1000-7000
Int. Duration @ .050 in. (Deg)
224
Exh. Duration @ .050 in. (Deg)
230
Int. Duration Advertised (Deg)
268
Exh. Duration Advertised (Deg)
280
Lifter Type
Hydraulic Flat Tappet
Engine Make/Size
Mopar 318-360
Usage
Street/Performance
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