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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CHEVROLET DZ302 V8 (A REAL ONE!)
http://www.kennedyperformance.com. THIS IS AN ORIGINAL DZ 302 OUT OF A
1969 Camaro Z-28
REBUILT BY KENNEDY PERFORMANCE. IT PRODUCES 345FTLBS TORQUE AND 415 HP
MEASURED ON A SUPERFLOW Dyno AND STP CORRECTION FACTOR.
Dyno TESTED TO
Zora Arkus-Duntov's last public interview
He put the 'Z' in the Corvette Z06, he was a legend in the automotive
industry. See now his last public interview.
Because he and I are products of the College of Engineering at the
University of Texas, although at different times, Harold Bettes and I had a
common academic background and friendship. After a highly productive
stint at a little (at the time) fledgling company named MSD ignitions while
I was toiling at Edelbrock, he moved on to another evolving organization in
Colorado Springs, Colorado, named the Superflow Corporation.
It was here that he birthed the concept of annually bringing together a
hundred or more persons in global motorsports (engine builders, parts
manufacturers and related stakeholders) into an activity that grew much
larger over time, bearing the name Advanced Engine Technology Conferences
(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
Fame segment in the AETC program. Each year, a single person was
identified as having made major career contributions to motorsports and
honored at the annual AETC banquet, culminating each year's conferences.
No, this column isn't about Harold, but that's the stage on which the
Read more at:
Aaron's Z28 with newly installed 140 offroad camshaft
dz302 with optional "140" offroad cam installed
this is a fresh start in the morning, and the car was cold... idle was
below 1000 so it wasn't making enough vaccuum to keep the power valve
closed, hence the black smoke.
2014 Chevrolet Camaro Z/28 vs 2014 Nissan GT-R Track Edition! - Head 2 Head Ep. 52
On this episode of Head 2 Head, Jonny Lieberman travels to Barber
Motorsports Park for a head to head matchup with the brand new Chevy Camaro Z/28 and a well
known heavyweight, the Nissan GT-R. But not just any GT-R, the 2014 Track
Edition which packs a 545 hp twin-turbo
V-6, a 6-speed dual clutch transmission, sticky Dunlop tires and AWD
traction into a car without rear seats. The Z/28, by way of contrast,
features a massive 7.0-liter naturally-aspirated V-8, a 6-speed manual
transmission, and tail-out RWD. While it does still have rear seats, nearly
every other non-essential component has been removed. Moreover, the Z28's
tires might be even stickier! The front ones, enormous 305-sections, are
certainly the widest tires ever bolted to a production car. Both cars are
phenomenal, and both cars make rational men scream, "Gimme!" But only one
can come out on top. Watch and find out!
Head 2 Head appears every fourth Wednesday on the Motor Trend channel.
Subscribe now to make sure you don't miss any of the action!
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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.
2014 Chevrolet Camaro Z28 - Jay Leno's Garage
2014 Chevrolet Camaro
Z28. Nimble, incredibly powerful and ready to rip up the track, the
long-awaited Z28 is at the garage, and Jay is the first person outside GM
to give it a test drive!
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shares his passion and expertise on anything that rolls, explodes, and
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2014 Chevrolet Camaro
Z28 - Jay Leno's Garage
Jay Leno's Garage