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Crane Cams 113841

Mechanical Flat Tappet Camshaft Lift: .480" /.500" Duration: 278°/288° RPM Range: 3000-6500

Crane Cams 113841

271-113841

made in usa
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Estimated to ship directly from the manufacturer on 05/03/18
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Crane Cams 113841 Mechanical Flat Tappet Camshaft Lift: .480" /.500" Duration: 278°/288° RPM Range: 3000-6500 $136.65
Mechanical Flat Tappet Camshaft
Lift: .480''/.500''
Duration: 278°/288°
RPM Range: 3000-6500

Crane Cams 113841 Details

Chevy 262-400ci Small Block 1955-98

*Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

**Note: Beginning in 1987, most of the V-6 and V-8 engines were equipped with hydraulic roller camshafts. There are differences in the block to accommodate a cam retention thrust plate and the anti-rotation mechanism for the lifters. These blocks are identifiable by bolt holes for a cam retention plate under the upper timing sprocket, as well as bosses and tapped holes in the lifter valley for lifter retention hardware. The camshafts on these engines have a step nose and smaller bolt circle on the front of the cam. An earlier model camshaft may be used in these blocks by using the appropriate timing chain set and adding a thrust button when using a roller cam.
1988-99 Chevrolet 305 and 350 V-8 engines (and some 1987 350 V-8 engines) use a different configuration camshaft core than the 1955-87 engines and cannot be interchanged.

***Note: Self-aligning rocker arms cannot be used with mechanical lifter camshafts.

FAIR IDLE, MODERATE PERFORMANCE USAGE, GOOD MID-RANGE HP, BRACKET RACING, 3400-3800 CRUISE RPM, 10.0 TO 11.5 COMPRESSION RATIO ADVISED.

Grind Number: F-278-2 (replaces CC-278-2)
Operating Range:3000-6500 RPM
Duration Advertised:278° Intake / 288° Exhaust
Duration @ .050'' Lift:238° Intake / 248° Exhaust
Valve Lift w/1.5 Rockers:.480'' Intake / .500'' Exhaust
Lobe Separation Angle:114°
Max Lift Angle:109° ATDC Intake / 119° BTDC Exhaust
Open/Close @.050'' Cam Lift:Intake - 10° BTDC (opens) / 48° ABDC (closes)
Exhaust - 63° BBDC (opens) / 5° ATDC (closes)

271-113841 is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Strong torque and good power I've owned this cam since 1999 - installed in my 1979 Corvette. Combined with an open plenum manifold, holley 750 carb, 210 cc DART heads and 1-3/4" hooker super competition headers in my 400 small block Chevy, I think it's a really good street cam. I am ordering it again because this flat tappet cam failed recently - only because they took the zinc out of Mobil 1 as per EPA directive. I'll be sure to add supplemental zinc from now on.
Date published: 2018-02-17
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Some parts are not legal for use in California or other states with similar laws / regulations