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04-05-2020, 08:35 PM | #1 |
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Oil Priming my 327. I Hear a gear noise
I primed my fresh 327 today. Dropped the distributor in and turned it by hand. Has good pressure. I can hear the gears from the pump with the distributor or if I use just a screw driver. It's a melling 10552 pump and melling shaft. Oil got to the lifters nicely as it should and that all looks good. Take a listen to this video and have a listen and let me know if this is normal please. The engine was already primed when this video was taken. Watch "Distributor noise 327" on YouTube
https://youtu.be/yxYskCEgSHA Last edited by chewychevy67; 04-05-2020 at 08:40 PM. |
04-05-2020, 09:38 PM | #2 |
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Re: Oil Priming my 327. I Hear a gear noise
I am surprised you have that much oil pressure turning it that slow. Also how are you able to turn your distributor. It should be engaged with the cam gear.
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04-05-2020, 10:01 PM | #3 |
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Re: Oil Priming my 327. I Hear a gear noise
I kind of thought that too. I have an end on the bottom of the distributor that has no gears on it so it only contacts the oil pump shaft. It's just for priming.
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04-05-2020, 10:24 PM | #4 |
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Re: Oil Priming my 327. I Hear a gear noise
This is the oil I have in the engine.
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04-05-2020, 11:48 PM | #5 |
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Re: Oil Priming my 327. I Hear a gear noise
I put another new melling high volume oil pump in a bucket of oil and turned it as well and it makes the same noise so can this really be the way they are? Watch "Melling oil pump" on YouTube
https://youtu.be/7pEh3NDXEiA |
04-06-2020, 01:30 PM | #6 |
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Re: Oil Priming my 327. I Hear a gear noise
I'm stumped, I don't recall oil pumps making noise like that.
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04-09-2020, 05:07 PM | #7 | |
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Re: Oil Priming my 327. I Hear a gear noise
Quote:
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04-09-2020, 09:27 PM | #8 |
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Re: Oil Priming my 327. I Hear a gear noise
Does it make that much noise with a drill attached to it to spin? Don't think I would be running it
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04-09-2020, 09:37 PM | #9 |
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Re: Oil Priming my 327. I Hear a gear noise
My drill is loud but I can hear it a bit. My engine builder told me he has run melling pumps with noise like this before and not had problems other than you can sometimes hear it. Funny thing is I have 2 brand new melling pumps that make the same noise. If I knew I didn't have to buy 5 more to get a quiet one I would but who knows.
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04-10-2020, 11:26 AM | #10 |
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Re: Oil Priming my 327. I Hear a gear noise
I bought a new pump today. A melling with what they call "sharks teeth". It's supposed to run smoother. I'll update here when I get it installed.
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04-10-2020, 12:09 PM | #11 |
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Re: Oil Priming my 327. I Hear a gear noise
I have heard of the new pumps with the re-designed teeth. They are supposed to be better is some aspect.
I have not heard of the gear noise issue, I would call Melling. |
04-15-2020, 07:19 PM | #12 |
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Re: Oil Priming my 327. I Hear a gear noise
Did you find out anything on the noise?
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04-15-2020, 08:29 PM | #13 |
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Re: Oil Priming my 327. I Hear a gear noise
I haven't got my new pump yet. I bought it online instead ov at a parts house. Once I get it I'll switch them and report back
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04-21-2020, 04:37 PM | #14 |
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Re: Oil Priming my 327. I Hear a gear noise
I just put a new Melling in and it has the same gear noise.
Been running it and it is getting better.
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04-21-2020, 07:27 PM | #15 |
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Re: Oil Priming my 327. I Hear a gear noise
Can you hear it when the engine idles?
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04-22-2020, 04:13 PM | #16 |
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Re: Oil Priming my 327. I Hear a gear noise
Not with the exhaust I have. Alternator whines more.
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04-23-2020, 01:20 AM | #17 |
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Re: Oil Priming my 327. I Hear a gear noise
My new shark teeth style pump is here tomorrow. I want to see if it's as noisy as these straight cut gear ones are. If they are ill just leave the pump alone.
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04-23-2020, 04:41 PM | #18 |
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Re: Oil Priming my 327. I Hear a gear noise
Got my shark tooth pump today. Same pump number I had before but it's the st type. I just set it in a can of fresh oil and spun it. Wow. Way quieter than the other. Looks like I'll be changing pumps tomorrow.
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04-24-2020, 08:01 PM | #19 |
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Re: Oil Priming my 327. I Hear a gear noise
All the Melling pumps I have installed in last 12 months needed to be clearanced internally....
There are a couple of areas internally that need to be ever so slightly touched up with a small die grinder....they then run quietly.... Shark tooth style dont need the same attention....so may be the best way to go in the future.
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