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No oil through the oil filter

Old 09-21-2017, 07:31 AM
  #81  
jim2527
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Originally Posted by HeadsU.P.
What does a "Anti-Drainback Valve" do? I see some brands list that as a option on their filters. H-m-m-m-m-m-m. I wonder if . . . . . Nahhhh.
Nahhhhhh. Not relevant for SBC/BBC engines.
Old 09-21-2017, 12:08 PM
  #82  
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Originally Posted by jim2527
Nahhhhhh. Not relevant for SBC/BBC engines.

Stuff just refuses to drain uphill. Something to do gravity I've heard.
Old 09-21-2017, 07:51 PM
  #83  
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Originally Posted by TimAT

Stuff just refuses to drain uphill. Something to do gravity I've heard.
What was the conclusion? I would think assembly lube would allow you to run it a bit without pressure.
Old 09-22-2017, 05:22 AM
  #84  
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Originally Posted by turtlevette

What was the conclusion?

It will remain an unsolved mystery.
Old 09-23-2017, 11:41 AM
  #85  
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Originally Posted by 71VetteLover
It will remain an unsolved mystery.
It's solved but somehow you've made it YOUR story and now it's your thread. There's a lot of great people on here with a lot of great input and you my friend aren't one of them.
Old 09-23-2017, 11:46 AM
  #86  
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Originally Posted by bmans vette
If engine is a new rebuilt, was the oil galley plug knocked out to clean the block and not replaced?

Look at pic here in the link.
This has been known to happen.

https://www.google.com/search?q=oil+...P02jSZi4um3-M:
Great picture, thanks. Not sure if it's relevant with BBC but I'll ask about that.
Old 09-23-2017, 03:01 PM
  #87  
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Originally Posted by BB72
Great picture, thanks. Not sure if it's relevant with BBC but I'll ask about that.


Hope you get it worked out.
Let us know the final result.

Old 09-23-2017, 03:51 PM
  #88  
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Originally Posted by BB72
Great picture, thanks. Not sure if it's relevant with BBC but I'll ask about that.

Only the small blocks have that small internal plug because they have the oil passage that is drilled all the way to the top to feed the oil pressure sender next to the distributor.
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Old 09-23-2017, 03:56 PM
  #89  
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Originally Posted by BB72
It's solved .
People keep asking, so I don't think it's clear.

Those bearings looked a little too scored for just a few minutes of runtime.
Old 09-23-2017, 04:12 PM
  #90  
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Originally Posted by 71VetteLover
Only the small blocks have that small internal plug because they have the oil passage that is drilled all the way to the top to feed the oil pressure sender next to the distributor.
Good info.

Not versed in BBC. Only work on SBCs.

Txs
Old 09-24-2017, 12:09 AM
  #91  
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It's clear to most of us that read the thread. BB72 had his engine at a dyno shop that performed some dyno runs. After the runs, they removed the oil filter and inspected it for debris, common practice, installed a new filter and did not run the engine anymore, new filter remained empty. BB72, not knowing the filter had been replaced after the dyno session, removed it and noticed it had no oil in it and started this thread.
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Old 09-24-2017, 03:28 AM
  #92  
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Default Reverse Rotation Marine Cam?

Ha, I just figured it out. The builder of the short block installed a reverse rotation marine cam so the engine was spinning backwards during the 10 dyno pulls.
Old 10-01-2017, 08:33 PM
  #93  
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How bad were your rod bearings burned?
Old 10-04-2017, 02:25 PM
  #94  
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Originally Posted by 71VetteLover
How bad were your rod bearings burned?
No bearing was ever burned, but I took your advice and replaced everything. Any more advice?
Old 10-04-2017, 02:40 PM
  #95  
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Originally Posted by BB72
No bearing was ever burned, but I took your advice and replaced everything. Any more advice?
It would have run just fine the way it was
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Old 10-04-2017, 03:25 PM
  #96  
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Originally Posted by BB72
Any more advice?
Yes, Be careful taking advise from a forum such as this. Some of it can be great, others...not so much. Just be careful and use your own common sense with any advise from a public forum such as this.
Old 10-04-2017, 07:06 PM
  #97  
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Default Always Pre-Lube Freshly Rebuilt Engines Before Starting Them

Originally Posted by BB72
No bearing was ever burned, but I took your advice and replaced everything. Any more advice?

The only advice I can give to you is to install an oil pump drive shaft this time. And be sure to get one with the steel sleeve because the nylon sleeve will eventually harden and break which allows the shaft to spin off-center which will groove the sides of the shaft and wallow out the hole in the block. I know because my 454" was like that when I bought it 8 years ago. The standard duty drive shafts that cost around $10 to $12 are plenty good for a street engine. Before you install the #5 main cap use a Dremel to chamfer the oil hole (when I typed the word "chamfer" my spell check didn't recognize it as being a valid word for some reason).

And why did I suspect a missing oil pump drive shaft in the first place? The picture of the insides of the oil filter boss shows it's bone dry because oil never touched it. This is another reason why it's a REAL good idea to pre-lube any freshly rebuilt engine with a pre-lube tool and an electric drill and use a pressure gauge to verify it has normal pressure. In the past I have found 2 sets of standard rod bearings and 1 set of standard main bearings that had been roll-stamped .010" under which is why bearings should always be mike'd when taken out of their boxes to verify their sizes. I also found a set of .030" over Hastings piston rings that had standard oil expanders and it used a quart of oil every 250 miles.

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Old 10-04-2017, 07:22 PM
  #98  
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Originally Posted by 71VetteLover
The only advice I can give to you is to install an oil pump drive shaft this time. And be sure to get one with the steel sleeve because the nylon sleeve will eventually harden and break which allows the shaft to spin off-center which will groove the sides of the shaft and wallow out the hole in the block. I know because my 454" was like that when I bought it 8 years ago. The standard duty drive shafts that cost around $10 to $12 are plenty good for a street engine. Before you install the #5 main cap use a Dremel to chamfer the oil hole (when I typed the word "chamfer" my spell check didn't recognize it as being a valid word for some reason).

And why did I suspect a missing oil pump drive shaft in the first place? The picture of the insides of the oil filter boss shows it's bone dry because oil never touched it. This is another reason why it's a REAL good idea to pre-lube any freshly rebuilt engine with a pre-lube tool and an electric drill and use a pressure gauge to verify it has normal pressure. In the past I have found 2 sets of standard rod bearings and 1 set of standard main bearings that had been roll-stamped .010" under which is why bearings should always be mike'd when taken out of their boxes to verify their sizes. I also found a set of .030" over Hastings piston rings that had standard oil expanders and it used a quart of oil every 250 miles.
You really think a brand new engine did 10 dyno pulls with zero oil pressure?
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Old 10-04-2017, 08:38 PM
  #99  
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Originally Posted by Big2Bird
You really think a brand new engine did 10 dyno pulls with zero oil pressure?
That was my thought as well.

I still have not heard the real reason for the no oil issue unless I missed it in here somewhere.

Old 10-04-2017, 08:46 PM
  #100  
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Originally Posted by 71VetteLover
The only advice I can give to you is to install an oil pump drive shaft this time. And be sure to get one with the steel sleeve because the nylon sleeve will eventually harden and break which allows the shaft to spin off-center which will groove the sides of the shaft and wallow out the hole in the block. I know because my 454" was like that when I bought it 8 years ago. The standard duty drive shafts that cost around $10 to $12 are plenty good for a street engine. Before you install the #5 main cap use a Dremel to chamfer the oil hole (when I typed the word "chamfer" my spell check didn't recognize it as being a valid word for some reason).

And why did I suspect a missing oil pump drive shaft in the first place? The picture of the insides of the oil filter boss shows it's bone dry because oil never touched it. This is another reason why it's a REAL good idea to pre-lube any freshly rebuilt engine with a pre-lube tool and an electric drill and use a pressure gauge to verify it has normal pressure. In the past I have found 2 sets of standard rod bearings and 1 set of standard main bearings that had been roll-stamped .010" under which is why bearings should always be mike'd when taken out of their boxes to verify their sizes. I also found a set of .030" over Hastings piston rings that had standard oil expanders and it used a quart of oil every 250 miles.

I can't believe you dude, are you that thick? There was oil pressure and for that to happen it meant there was an oil pump shaft. Is anybody really that stupid to not read and follow a thread? Unless you have something constructive to add maybe you should not post.
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