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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!
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| | | | Joined: Apr 2012 Posts: 44 'Bolter | | 'Bolter Joined: Apr 2012 Posts: 44 | Browsing through a Canadian Pontiac forum and saw an article about 1955-1962 Canadian Pontiacs using specificaly built 261 engines with hydraulic lifters and fiber cam gears. I'm curious to know if these engines had drilled oil passages through the lifter bores.
There is not a tool made that if you don't try hard enough you can't break!
1952 3100 261 T5 3.08 Gov Locker
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | They had hydraulic lifters. we had one new, a 1960 Strato Chief. | | | | | Joined: Mar 2007 Posts: 4,215 Moderator | | Moderator Joined: Mar 2007 Posts: 4,215 |
I had one for years in my panel. I can't answer your specific question but I know I didn't have to drill any holes.
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | They were drilled through the lifter bores just like 235s with hydraulic lifters.
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