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1969 Z28 X77 CompCam NOSTALGIA 30-30+ SOLID

COMP Cams 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


 


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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 following unfolded. Read more at: http://www.maxchevy.com/features/2011/vi_2-zora-1.html





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 707-332-8331 to get your hands on any of our fine classics.





4 Speed DZ302 8200 RPM
First time out in 2008 at Martin Dragway. Had a hard time hooking the tires.





LTx solid roller valve adjustment
EOIC valve adjustment proceedure on LTx solid roller engine.





383 Stroker Dyno Session 450hp 479 ft lbs torque!
Chevy 383 Stroker. AFR 195cc eliminator heads fully CNC ported, Mighty Demon 750 Carb, Weiand Stealth "Air Strike" Intake Manifold, Comp Cams Extreme Energy 284 Camshaft, Stainless Steel Roller Rockers, Bad Ass "383 Stroker" Cast Valve Covers, Cast Chevy 400 Crankshaft, Forged Speed Pro 383 pistons, Eagle I Beam Connecting Rods. This is my first video Ive ever made, so sorry if it sucks. Had to trim it down from 30+min long. And I didnt even get all the pulls in. Made a total of 9 Dyno Pulls that day, with a result of 450 hp and 479 ft lbs. On the later pulls I had him turn the Dyno down to read as low as possible, which is 3000 RPM. By 3k it was already making 430 ft lbs! and at 6000 was still at 412 ft lbs, VERY flat and nice torque curve. We tried different size jets, 2 different carb spacers, and played with the timing. Best result was out of the box jetting for the carb, and carb right on the manifold! Lost 15 ft lbs on the low end with the carb spacers! Was a great day at the Dyno shop, hope you guys enjoy the video!





1969 Z28 DZ302 with 140 First Design Offroad Camshaft. Headers and Gardner Chambered Exhaust
Here is the car idling.





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 7000RPM.





55 Chevy Street Gasser with Duntov 3030 cam





1967 Chevelle - Comp Cams Mutha Thumpr Cam
1967 Chevelle Mutha Thumpr Cam! Edelbrock heads carb intake, comp cams lifters rockers and pushrods, Hooker headers, FlowMaster Super 40.





Chevy 406 with Dart Heads and XE 284 cam at idle
Dart Iron Eagles with 215 runners, 2.05valves, 11-1 CR, Comp Cams XE 284 cam, X-celerator intake, Holley carb





Glenora Run in a 1969 Camaro Z/28 DZ 302
Clips from the annual Glenora Run in watkins glen during vintage weekend. Camera is in a all original 1969 Camaro z/28 dz 302.





Soundbite of 1969 Z28 Camaro with Comp Cams XR274R Cam No. 12-770-8
Stock Z28 "DZ" 302 cu. in. motor with upgraded valve train including Comp Cam's solid roller cam 12-770-8, springs, lifters, push rods, cam button, and #1804-16, 1.5 ratio Ultra Pro Magnum Roller Rocker Arms. Initial timing set at 12 deg. BTDC, idle speed between 900 - 950 RPM. Results: Very responsive and reliable power from 2200 to 6200 RPM. Soundbite is through stock Exhaust manifolds and Exhaust system with the transverse muffler, and without resonators.





1969 Camaro Z28 302 DZ engine idling and pictures
1969 Z28 Camaro idling 302 solid lifters M21muncie trans 12 bolt rear double hump heads 4 speed chambered Exhaust X33 coded car cowl induction hood front and rear spoilers D80 code





DZ 302 4 speed 8000 RPM
dz 302, AirFlow Research heads, big roller cam,4 speed G-Force trans. 12 bolt, 4:88 gears,





480HP 55 chevy gasser 2
puting the 55 chevy gasser up at the shop..yes it has mufflers..its not open headers!! its a 383 ported and polished.. msd... fenderwell headers with dinomax race mufflers...3 speed with trans break...dana 44 rear end with 4:10 gears (was 6:10's) high rise intake from the 60's with 2 holly four's..high lift cam..around 450hp





Which car is faster? Which Car is Faster?




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