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#1
03-18-2011, 11:03 PM
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Rocker Arm Rocking Off
Hi everyone new to this forum and looking for alittle help. I went out to my car bout 4 months back and fired her up and after a few seconds it started to sputter out aittle so i bumped the gas to get it goin again like always and all of the sudden im hearing this ticking noise. so i say to hell with it and pull it into the garage get in my truck and go. So i pull the valve covers and i find 3 loose rockers so i adjust em all. i drive the car for a while and someone trys to pass me on the on ramp.....not gonna happen bring it up to 5000 at the highest and cruise to the next off ramp for gas. pull in the gas station. same ticking. go home find 1 loose rocker tighten it and drive it same rocker loose again. Im goin nuts. Any info is appreciated thanks for the help and sorry for the short book.
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72 Malibu-Built 468bb, turbo 400 w/ shift kit & 3000 stall, 12bolt eaton limited slip locker 3.55. Rocking the bench seat and rally rims. Last edited by BBChevelle; 03-21-2011 at 02:17 PM. 
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#2
03-19-2011, 08:02 AM
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Welcome BBChevelle. I wish I could help you, I just don't have an answer to your problem. I wish you luck in fixing your problem.
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Get in, sit down, shut up, hold on...cause Ms Grumpy is driving ! For the audio geek try: www.audiokarma.org
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#3
03-19-2011, 08:51 AM
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The threads are shot in your lock nuts. Buy a new set. Please inspect your rocker studs to make sure that the much harder rocker arms haven't chewed into your studs.
Welcome to the site by the way. Good luck. Post any other questions here.
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#4
03-19-2011, 01:04 PM
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Also could be the cam is gone...
Any popping noises from the exhaust or up thru the carb?
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2017 Camaro RS -217 cu in 365 HP w/8 speed auto 1967 Camaro SS -5.3L LS w/4L60E & 4.11 12 bolt 2019 Cadillac XT5 3.6L V6 w/310 HP & 8 speed AWD
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#6
03-19-2011, 10:13 PM
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Well i never thought about the lock nuts ran down to oriley and bought some. Problem seems fixed. Drove for half hour ran it up to 6000 a couple times no problem. But i do get a pop out the garb if i floor it from a stop or from low throttle. But its always done this since the motor was built. Never been able to get rid of it
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72 Malibu-Built 468bb, turbo 400 w/ shift kit & 3000 stall, 12bolt eaton limited slip locker 3.55. Rocking the bench seat and rally rims.
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#7
03-19-2011, 11:49 PM
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Just to make sure that a cam lobe wasn't taken out, you ought to let it idle with the valve covers off for a minute and visually inspect all the rockers, to make sure they're each moving once you set the lash.
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#8
03-20-2011, 08:03 AM
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Also, all the rocker nuts should be threaded on the stud about the same distance.
Any stud that has a lot more thread extending thru the nut may have a rounded cam lobe... Popping back thru the carb upon heavy acceleration is a lean condition. Try increasing the squirter size.
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2017 Camaro RS -217 cu in 365 HP w/8 speed auto 1967 Camaro SS -5.3L LS w/4L60E & 4.11 12 bolt 2019 Cadillac XT5 3.6L V6 w/310 HP & 8 speed AWD
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