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Mod | | | Forums66 Topics128,175 Posts1,057,056 Members48,460 | | 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
with Ads!  Again, thanks!
| | | | Joined: Jan 2009 Posts: 256 'Bolter | | 'Bolter Joined: Jan 2009 Posts: 256 | I just got my hydraulic lifters from Kanter, and the bottoms on them are perfectly flat. I put them against a perfectly flat piece of glass and they don't rock side to side. I put them against a couple straight edges, and same thing, they are flat. I read they are supposed to be somewhat convex, am I incorrect? | | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Yes you are incorrect. The lifter is flat and the lifter bore is offset from the cam lobe so that as the lobe comes around it rotates the lifter. Something like the guy on the Ed Sullivan show that spun the plates over head on the end of a stick. There is a good illustration in the Shop Service Manual for Trucks.
I may have misled the group in an earlier post along the same lines, but Jerry I believe corrected me.
Denny Graham
Sandwich, IL
Denny G
Sandwich, IL
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Some but not all lifters are convex.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Jan 2009 Posts: 256 'Bolter | | 'Bolter Joined: Jan 2009 Posts: 256 | Thanks Denny, I was worried there for a minute. I saw this this thread where it was mentioned that lifters with flat bottoms are worn out and got concerned. | | | | | Joined: Jun 2010 Posts: 215 Shop Shark | | Shop Shark Joined: Jun 2010 Posts: 215 | Your reading the wrong publications, it's women with flat bottoms are worn out......  | | |
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