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| | | Forums66 Topics128,050 Posts1,055,646 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2002 Posts: 2,254 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,254 | OK. If I have the 55 2nd original 235 - whatever pressure engine. And am pretty sure I have the pass through filter system (its got the bee hive canister with the 2 hoses), but am somewhat skitish to change to the Phat oil filtration system, is it better to get over this and drill the holes in the block - or change the oil more often? Is there a mileage (<3,000 mi) to use as a magic number?
Dennis
-there is nothing stronger than the heart of a volunteer-
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