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Mod | | | Forums66 Topics128,087 Posts1,055,977 Members48,430 | | 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: Dec 2009 Posts: 20 New Guy | | New Guy Joined: Dec 2009 Posts: 20 | I have a 350 that lets a little bit of oil down through the top end. Nothing too serious, but it puffs blue smoke when you shift gears. I have heard of being able to swap valve seals with the heads still on the engine, but how is this done? Any suggestions will be appreciated.
Si
'71 Chevy K10
'78 GMC K25
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