Oil Pump
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1st Gear
Joined: Jul 2015
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From: Torrington Ct.
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From: usa
When I did a new set of andrew cams last winter . I did replace my oil bypass valve and spring in the cam plate . To get better oil psi
I can't say any positive because I still don't have a oil psi gauge .
And there's a little screen in one of the upper oil pump holes to the casing behind a O-ring .
I can't say any positive because I still don't have a oil psi gauge .
And there's a little screen in one of the upper oil pump holes to the casing behind a O-ring .
Last edited by Iron lHorse; Jul 18, 2015 at 08:52 PM.
Seasoned HDF Member
Joined: Jan 2010
Posts: 7,386
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From: usa
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Joined: May 2008
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From: South Carolina
If you have a specific question, ask and there will be plenty of help.
Now a question for you: how did you determine that the oil pump needs to be replaced?
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Seasoned HDF Member
Joined: May 2008
Posts: 21,173
Likes: 12,740
From: South Carolina
When I did a new set of andrew cams last winter . I did replace my oil bypass valve and spring in the cam plate . To get better oil psi
I can't say any positive because I still don't have a oil psi gauge .
And there's a little screen in one of the upper oil pump holes to the casing behind a O-ring .
I can't say any positive because I still don't have a oil psi gauge .
And there's a little screen in one of the upper oil pump holes to the casing behind a O-ring .
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Thread Starter
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1st Gear
Joined: Jul 2015
Posts: 5
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From: Torrington Ct.
When the engine is cold I have about 40 lbs. of oil psi. as it starts to warm up the psi drops to 0.. Now starting to hear a squeaking noise from the top end.. I can hear it loudly in the air cleaner. I felt each push rod tube and can even feel it in one of the intake valve push rod tubes..
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Joined: May 2008
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From: South Carolina
Stop...
Don`t spend your money on an oil pump, you will be right back here after you install it and wonder why the oil pressure is still low...
There`s a reason your bike didn`t come with an oil pressure gauge...it doesn`t need one.
The oil pressure on a hot Evo or Shovelhead will often not even register on a gauge, unless it is a quality, calibrated gauge, and a few pounds is all you will see.
Don`t expect an oil pressure gauge to make you happy, it will only make you nervous.
If the pressure is too low, the oil pressure light will come on and the valve train will clatter, loudly.
If you feel something when you put your hand on the pushrod tube, you may have a pushrod rubbing the tube.
Make sure the oil pressure warning light is working properly, and make sure the oil is being returned to the tank.
If you must check with a gauge, use a quality gauge that will be accurate under 10 PSI.
Don`t spend your money on an oil pump, you will be right back here after you install it and wonder why the oil pressure is still low...
There`s a reason your bike didn`t come with an oil pressure gauge...it doesn`t need one.
The oil pressure on a hot Evo or Shovelhead will often not even register on a gauge, unless it is a quality, calibrated gauge, and a few pounds is all you will see.
Don`t expect an oil pressure gauge to make you happy, it will only make you nervous.
If the pressure is too low, the oil pressure light will come on and the valve train will clatter, loudly.
If you feel something when you put your hand on the pushrod tube, you may have a pushrod rubbing the tube.
Make sure the oil pressure warning light is working properly, and make sure the oil is being returned to the tank.
If you must check with a gauge, use a quality gauge that will be accurate under 10 PSI.
Last edited by Dan89FLSTC; Jul 20, 2015 at 04:20 PM.