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Click on image for the lowdown. 
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| | | Forums66 Topics128,018 Posts1,055,339 Members48,419 | | 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!
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#78950 06/22/2007 3:02 AM | Joined: Jun 2001 Posts: 11 Junior Member | | Junior Member Joined: Jun 2001 Posts: 11 | if you use the NAPA filter adapter, and the correct restricted flow filter, you can have a spin on oil filter and maintain good oil pressure in your 235.
Then change your oil every 2000 miles. | | |
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