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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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#26416 01/10/2002 4:58 AM | Joined: Jun 2001 Posts: 34 Member | | Member Joined: Jun 2001 Posts: 34 | I have searched the archives but missed the info I need. On the 235 I'm going to put rings in I see that the lifters have holes in them. Are they hydro? Is this good? Why did GM go to hydros? Does oil go up the pushrod to lube the rocker arms? Thanks in advance. Don | | |
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