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Click on image for the lowdown. 
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| | | Forums66 Topics128,060 Posts1,055,832 Members48,426 | | 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: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | A valve sticking open some can allow the pushrod to pop out. If a valve is not closing all the way and you do a valve adjustment, the valve will be held open forever. This is because the valve sticking open a little creates excess clearnce in the valve train. If an adjustment removes the clearance then the valve can't close. | | |
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