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Thread: Loud Engine Clicking?
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02-15-2005 #1
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Loud Engine Clicking?
Hey guys, a little help would be great.
I have a 68 Camaro with a 396 BBC. I just recently got a loud annoying clicking noise (similar to a lose rocker) but I already tightened them down per spec. and the noise is still there. I have a feeling it could be a bad lifter.
As far as I know, I have Hydraulic lifters, and I was told that if the lifter went bad and is not getting oil, then it can make a noise like this.
Please help.
Thanks
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02-15-2005 #2
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Did you check your plug gaps and are certain its not just a misfire? I had that happen to be before and had visions of bad lifters etc. in my head and it was a spark plug.
02-15-2005 #3
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Clicking
No, I didn't try that, but I'll take a look this weekend...Thanks for the advice.
02-16-2005 #4
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I too have a 396 BBC. I just replaced the cam TWICE. First time I swapped cams because it was a solid lift cam. Once installed with new springs I got a severe ticking because I flattened two lobes. I would, if all else fails, pull the manifold so that you get a good view of the valley and inspect all lobes. Bump the motor over until you find the culprit.
02-16-2005 #5
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You breaking your cams in?
Originally Posted by harshman
-MattMatt
72 Chevelle 370ci, 76mm single turbo, TKX, Speedtech Track Time, Millerbuilt Strange full floater 9", Brembo brakes, BC Forged 18x11s with 315s square
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02-16-2005 #6
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Define "break"
I bought the comp cam's complete kit including valve springs that have more pressure than my front coils!!! – Sort of. Anyway, I popped in the cam and instead of pulling the inner spring for break in, I sort of skipped that part and proceeded with the break in. The ticking began and a severe loss of power ensued.
:rtfm:
Now things are great. I have a little bit of valve noise but it doesn't sound like a diesel. Had my carb massaged a bit and now it runs like a stripped ass ape!
02-16-2005 #7
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Don't panic right away. Loose spark plugs and header gasket leaks make a similar ticking noise, and are easier to replace than the cam.
Steve Ragusa - North Jersey
2006 Infiniti G35x
Former Build - 1988 Monte Carlo SS - ZZ4-cammed TPI 355, F-body serpentine conversion, World-Class 5-speed, Eibachs/Bilsteins, Howe tall LBJs, 34mm hollow front swaybar, 3/4" straight rear bar, 17" Coys C55s, 12" front discs, and more. Sold on 2/28/11.
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