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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,005 Posts1,055,264 Members48,418 | | 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!
| | THANKS!
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: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | MMMM, somewhat periodic sounds like a babbit rod chattering. Do you notice it when you give it gas.... or let the engine rpm's level out and then accelerate or come off the gas totally?
Those old babbits will rattle ....sometimes for a looooong time before they bite the dirt.
Hope its not this but could be.
Its been a long time since I worked on a 207 and I don't remember the water pump set up. | | |
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