| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,026 Posts1,055,403 Members48,422 | | 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: Aug 2011 Posts: 687 Shop Shark | | Shop Shark Joined: Aug 2011 Posts: 687 | I replace my 216 with a 235 that was rebuilt some time ago with approximately 4000 miles on it. I'm not sure if the valve guides were hardened? I have NOT been using any additive and do not see any problems so far.
Thoughts of what to look for, etc/???
Thanks. | | |
|
|
| |
