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Oil priming

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Old Mar 23, 2013 | 03:51 PM
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Oil priming

When I prime my engine should I expect to see oil coming from each pushrod? I'm only seeing it from a few. I searched before posting but learned mostly about frogs eating the moon for some reason.
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Old Mar 23, 2013 | 04:06 PM
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Re: Oil priming

Originally Posted by naval_ned
When I prime my engine should I expect to see oil coming from each pushrod? I'm only seeing it from a few. I searched before posting but learned mostly about frogs eating the moon for some reason.

Yes , All of the pushrods should have oil coming from them if you run the primer long enough . I'm not sure what your using to turn your oil pump but the last time I primed an engine using the modified distributor turned by an electric drill method it took almost 3 minutes for all of em to be showing a healthy oil flow .
Attached Thumbnails Oil priming-firebird45.jpg  
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Old Mar 23, 2013 | 04:07 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
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Re: Oil priming

Eventually you should see it from all of them.
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Old Mar 23, 2013 | 07:34 PM
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Re: Oil priming

You may have to turn the motor over a little at a time to get all of them to have oil come out.
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Old Mar 23, 2013 | 11:07 PM
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Re: Oil priming

It may be my drill. I kept going and tried turning over the engine as I went and I'm down to just 3 or 4 that don't have oil coming out.
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Old Mar 24, 2013 | 11:00 AM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Oil priming

Well since priming doesn't actually accomplish anything except make you feel better about your work anyway, might as well start it up and see if oil comes out while it's running.
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Old Mar 26, 2013 | 05:21 AM
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From: Siloam Springs AR.
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Re: Oil priming

Originally Posted by Apeiron
Well since priming doesn't actually accomplish anything except make you feel better about your work anyway, might as well start it up and see if oil comes out while it's running.


lol elaborate please
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Old Mar 26, 2013 | 06:08 AM
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Re: Oil priming

Not much to elaborate... I completely agree with this, except for the "see if oil comes out" part, because IT WILL. It always does if the engine is assembled properly. Even that, is a waste of time.

Do the job right, and there's nothing to worry about.

"Priming" is a placebo for the insecure.
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Old Mar 26, 2013 | 07:28 AM
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Re: Oil priming

Priming also serves to 'wash' out any assembly lube that may have been applied to bearing surfaces.
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Old Mar 26, 2013 | 06:26 PM
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Re: Oil priming

if you use a good assembly lube, 99% of the time there is no need to prime.
but priming takes just a few minutes, pulling the motor or trans just to replace a bad galley plug takes hours. i hate pulling a motor out that i just put in because of an oil leak that could have been found on the stand.
for that & a couple of other reasons, i always prime.
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Old Mar 26, 2013 | 06:29 PM
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Re: Oil priming

just a few minutes
... of your life, gone forever, you can't get it back. Wasted.

Gallery plugs don't "go bad".

Best idea is, look at all the holes before you button it up; then you don't have to fiddle around with a bunch of Charlie Brown's "blankie".
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Old Mar 26, 2013 | 07:03 PM
  #12  
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Re: Oil priming

Originally Posted by sofakingdom
... of your life, gone forever, you can't get it back. Wasted.

Gallery plugs don't "go bad".

Best idea is, look at all the holes before you button it up; then you don't have to fiddle around with a bunch of Charlie Brown's "blankie".
Charlie Brown's prop was Snoopy.

Linus had the blanket. But he didn't prime fresh startups either.
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Old Mar 26, 2013 | 08:43 PM
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Engine: 92 5.7 tpi 5.3
Transmission: 700r4 6L60E
Axle/Gears: 2.42 too high
Re: Oil priming

true, galley plugs don't "go" bad, but they sure can "be" bad right out of the package. worse yet is when an orificed plug is put in a rear passage & then painted over. yeah, makes a nice stream of oil, right on the flywheel.
besides a bad galley plug or 2, i've seen the block cracked where the plugs go. my guess who ever put the plugs in wasn't having a good day.
had a couple of motors that the assembler left the front plugs under the timing chain out. i knew something was wrong because the feed back from the drill wasn't right.
pulling the timing cover on the stand is a lot quicker & easier than pulling it in the car, at least with my back it is.
problems like these are why i have always preferred building the motor myself, but in a normal shop environment that is seldom possible.
those are a few problems i've seen and were mostly from different builders.
over the years i have put in a lot of motors.
the few minutes of priming on the stand i've done has probably saved me more time than it wasted.
something else i do that many have told me is a waste of time, checking the torque on the rods & mains, even if that means pulling the pan. the waste of time is when i didn't do it & i needed to.
i probably do a lot of other things that most consider a waste of time.
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