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Mod | | | Forums66 Topics128,049 Posts1,055,553 Members48,425 | | 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!
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#24239 10/27/2002 2:07 AM | Joined: Jul 2002 Posts: 59 Member | | Member Joined: Jul 2002 Posts: 59 | In anticipation of re-installing the engine (350) today, I ran the new oil pump with a drill to pre-lube everything. After several minutes it starting oiling great up through the rods on the left side (1-7) but there's not a drop of oil coming up through the rods on the right side (2-8). What's up with that? I can see number 8 lifters through the distributer hole and it appears there is oil being pumped to the lifters but none will pump up through the rods to the rockers. 72 Sierra Grande - Maych Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.
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#24240 10/27/2002 3:22 AM | Joined: Jul 2002 Posts: 59 Member | | Member Joined: Jul 2002 Posts: 59 | Think I've found my own answer. The tool I used to run the oil pump is just a shaft that goes on the end of the oil pump shaft. Without the distributer installed, or tool that simulates having it installed, the oil pressure is vented to the outside and does not get to the right oil galley. Sound reasonable? 72 Sierra Grande - Maych Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.
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#24241 10/27/2002 6:16 PM | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | No, it should still have oil getting to the right side.Possible to have a cam bearing installed wrong .(the oil holes may not be lined up with the holes in the block
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us. - - Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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#24242 10/28/2002 3:08 PM | Joined: Jul 2002 Posts: 59 Member | | Member Joined: Jul 2002 Posts: 59 | Mechainiac, I didn't take the cam out or install new cam bearings so I don't know how that could be the cause? 72 Sierra Grande - Maych Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.
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#24243 10/28/2002 3:34 PM | Joined: Jul 2000 Posts: 962 Shop Shark | | Shop Shark Joined: Jul 2000 Posts: 962 | Some engines will vent oil if the dist shaft is not installed. But it depends on year, CID and original application. Turn your crank over in increments of 90 degrees and try the oil pump prime tool again. This moves the oil passages in the crank, and may let oil flow to the other bank.
If there is no venting visible around oil pump prime tool, and no oil shows up at dry bank, then start checking oil galley plugs. These oil galley plugs are screwed into each end of each drilled oil galley, in front and rear of the block. These plugs can either be missing, installed too far, or gummed up.
Do not start this engine with a non-oiling cylinder bank. You'll just trash your valvetrain.
good luck
chip
Preaching the Hot Rod Gospel according to the 4-stroke apostles:
Suck, Squish, Fire and Fumes
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#24244 10/28/2002 4:17 PM | Joined: Jul 2002 Posts: 59 Member | | Member Joined: Jul 2002 Posts: 59 | I've turned the engine over while pumping dang near enough to seat the valves - still no oil on right side. All of the galley plugs are in place, so that's not the problem The tool I used to turn the oil pump was just a rod that goes into the slot in the oil pump shaft and I think the oil is just venting before it gets to the galley on the right. I'm probably just being paranoid, but that's me. For my piece of mind I think I'll get one of the tools that mimics the distributer and see if that gets oil to the right side. 72 Sierra Grande - Maych Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.
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#24245 10/29/2002 3:44 AM | Joined: Dec 2000 Posts: 64 Member | | Member Joined: Dec 2000 Posts: 64 | You will not get oil to build up pressure to oil the engine till you get an old distributor, remove the gear from the distributor, weld a nut where the rotor went on, now install it in the engine and use a speed handle to turn the oil pump. There is an oil passage cast in the distributor that lets the oil go around it to feed the valve train. By using this method you fill the oil filter, pump up the lifters, lube the total engine so it is ready to fire up without worrying about harming the bearings and other parts of the engine.
kdot em3
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