Manufacturer's Part Number CL12-673-4
Product Line COMP Cams Nostalgia Plus Cam and Lifter Kits
Summit Racing Part Number CCA-CL12-673-4
Cam Style Mechanical flat tappet
Basic Operating RPM Range 2,300-6,900
Duration at 050 inch Lift 247 int./254 exh.
Advertised Duration 284 int./291 exh.
Valve Lift with Factory Rocker Arm Ratio 0.504 int./0.498 exh. lift
Lobe Separation (degrees) 112
Intake Valve Lash 0.012 in.
Exhaust Valve Lash 0.012 in.
Grind Number CS NOSTALGIA 30-30+ SOLID
Best Tips for Breaking in a New Camshaft
http://www.horsepowermonster.com -- The
first few minutes of operation will determine the long-term survival of
your flat-tappet camshaft. More agressive lobe designs, stronger
valvesprings and changes to the additives in modern motor oils makes a
"wiped" cam lobe much more likely than in the days of classic muscle cars.
These are a few very important tips for properly breaking in your high
performance flat tappet camshaft.
For a complete parts list of everything used in this video, check out
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Because he and I are products of the College of Engineering at the
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common academic background and friendship. After a highly productive
stint at a little (at the time) fledgling company named MSD ignitions while
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(AETCs), now sponsored by COMP Cams and a part of the Performance Racing
Industry (PRI) Show in Orlando, Florida. Harold also formed a Hall of
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COMP Cams How to Set a Valve Lash
Valve lash is the mechanical clearance in the valvetrain from the valve tip
to the rocker in a pushrod engine using solid lifters. Watch as COMP Cams
explain how to make lash valve adjustments with the proper tools.
Quick Tech Video: How to Degree Your COMP Cams® Camshaft
Installing a new camshaft often requires degreeing. This Quick Tech how-to
video from COMP Cams® is a step-by-step walkthrough on how to degree your
new COMP Cams® camshaft. But the Powerhouse® Products Cam Degree Kit can
be used with any brand of camshaft.
1969 Chevy Camaro Z28: Beautiful Engine Rumble
See all of our classic vehicles available for sale at Left Coast Classics
and this car at http://www.leftcoastclassics.com/1969-chevrolet-Camaro-Z28/ or call Donn at
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How to Properly Adjust Valves on Roller Rocker Arms
Family owned and operated for over 40 years with over 75,000 satisfied
customers. Rated #1 Click on blue link
This video shows our procedure how to properly adjust valves. This works on
all engines with adjustable valve train. Produced by enginefactory.com
Worlds leader in turn key muscle car engines.