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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: Feb 2003 Posts: 1,377 'Bolter | | 'Bolter Joined: Feb 2003 Posts: 1,377 | I under stand that there must be a restriction somewhere so is it in the filter housing itself or in the lines,I just put any lines I could find when I put the filter on my 235 and wondering if that could be why the crank is scored and bearings down to copper with around 15,000 miles on it. Its time to change the oil and might eliminate the filter since the damage is done and will look into the correct lines before installing the replacement 235. | | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | In the filter canister it self, not the lines.
If you dont have a restriction, you are better off without any filter and pipe plugging for obvious oil starvation issues.
Last edited by sstock; 04/28/2019 3:32 PM.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Feb 2003 Posts: 1,377 'Bolter | | 'Bolter Joined: Feb 2003 Posts: 1,377 | The crank looked like it was starved for oil even after being prelubed,I am going to eliminate the filter for now. | | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | I do not run one either, rather change oil on a very early interval
Last edited by sstock; 04/28/2019 4:44 PM.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | The restriction is on the stand pipe in the center of the canister. It's a small hole toward the top of the pipe.
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| | | | | Joined: Feb 2003 Posts: 1,377 'Bolter | | 'Bolter Joined: Feb 2003 Posts: 1,377 | Filter is off and the oil pressure climbs more rapid and now pegs the gauge,I do not think the replacement 235 will get a filter and will change the oil more frequently. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Just a scary guess: you might have oil passage blockage in the engine?
A pegged gauge might not be a good sign? | | | | | Joined: Feb 2003 Posts: 1,377 'Bolter | | 'Bolter Joined: Feb 2003 Posts: 1,377 | Using the original 30# gauge with a engine that should produce much more. | | | | | Joined: Feb 2003 Posts: 1,377 'Bolter | | 'Bolter Joined: Feb 2003 Posts: 1,377 | Looks like I found the problem and its the oil filter,oil pressure goes up more quickly and now 15 to 20 at idle where is was 5 to 10 before. Unfortunately the damage is done so time to get the new 235 read to drop in as I doubt it will last until fall so I know I will have a summer project. | | |
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