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Click on image for the lowdown. 
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| | | Forums66 Topics128,101 Posts1,056,180 Members48,436 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
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| | | | Joined: Jul 2003 Posts: 586 Shop Shark | | Shop Shark Joined: Jul 2003 Posts: 586 | I think your mechanic could tell by just listening to your engine. Mechanical lifters
will make a clicking noise on each valve, so the
engine will sound like someone is in the engine
rapidly taping with a small spoon. A hydraulic
lifter is much quieter. No taping sound above
idle. Cecil....... | | |
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