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05-15-2019, 09:42 PM | #1 | ||||
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Harmonic Balancer
Model A Harmonic Balancer discussion continued from earlier Thread. https://www.fordbarn.com/forum/showt...bration+damper
I felt I was high jacking this thread on Gear Backlash by continuing to ask questions on Engine Restorations LTD Harmonic Balancer so I started this new thread. From previous thread; Quote:
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I received my harmonic balancer today. Nice piece. Weighs 5 - 5 1/2 lbs. Can I assume with the “reverse scroll” that a modern lip seal can not be used? I’m running a modern seal now. I did pose this question to Murray but have not heard back yet. I was just wondering if anyone on the Barn had experience with this. Thanks, Ruth |
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05-15-2019, 10:09 PM | #2 |
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Re: Harmonic Balancer
From New Zealand. I've heard good reports but haven't had a chance to try mine yet. SOON though.
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05-15-2019, 11:14 PM | #3 |
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Re: Harmonic Balancer
Yes from New Zealand. I just heard back from Murray. He confirmed to use the rope seals. It will be a bit before I can install mine also.
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05-15-2019, 11:15 PM | #4 |
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Re: Harmonic Balancer
I contacted him also and had the same question regarding the spiral on the seal surface, but I have not asked if they are available without the spiral, as I want to run a modern seal in the front and a lip seal won't last long with the spiral.
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05-16-2019, 12:50 AM | #5 |
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Re: Harmonic Balancer
You could put a Speedisleeve on it.
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05-16-2019, 09:20 AM | #6 |
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Re: Harmonic Balancer
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That may be something to look into. Last edited by Ruth; 05-16-2019 at 10:00 AM. |
05-16-2019, 09:29 AM | #7 |
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Re: Harmonic Balancer
So, it appears that were you to break a fan belt, you would have to remove the front pulley in order to replace it?
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05-16-2019, 09:51 AM | #8 | |
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Re: Harmonic Balancer
Quote:
I am going to carry one of these belts with me 'just in case'. |
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05-16-2019, 11:34 AM | #9 |
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Re: Harmonic Balancer
I have a 31 tutor. I’ve changed a few fan belts in the past 20 years and I have enough clearance to change the belt without removing the pulley. Isn’t that the way it should be?
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05-16-2019, 01:23 PM | #10 |
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Re: Harmonic Balancer
Where do you get this type of belt?
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05-16-2019, 01:33 PM | #11 |
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Re: Harmonic Balancer
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05-16-2019, 04:47 PM | #12 |
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Re: Harmonic Balancer
I'm running a modern seal with my harmonic balancer without problems or leaks.
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05-16-2019, 04:51 PM | #13 |
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Re: Harmonic Balancer
They are available with or without the spiral so rope or modern seal compatible.
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05-16-2019, 05:25 PM | #14 |
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Re: Harmonic Balancer
What are the benefits of this balancer. I probably missed it because I did not see earlier threads.
John
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05-16-2019, 05:44 PM | #15 | |
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Re: Harmonic Balancer
Quote:
The heavier the damper/balancer or the lighter the flywheel/clutch assembly, the better. It has to do with reducing torsional vibration in the crank. You can't normally feel this vibration in the seat of the pants. |
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05-16-2019, 06:00 PM | #16 | |
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Re: Harmonic Balancer
I got it at Rubber Belts Online. They sell it by the foot. it is called PowerTwist Plus. The ⅝" size fits Model A pulleys.https://www.rubberbeltsonline.com/category-s/334.htm
Quote:
Does your harmonic balancer have the spiral? |
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05-17-2019, 06:27 AM | #17 | |
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Re: Harmonic Balancer
Quote:
I'm running a modern seal with mine, I've got about 400 miles on it sense installed and no issue's as of yet, and yes i do believe it makes a difference! Terry |
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05-17-2019, 09:41 AM | #18 |
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Re: Harmonic Balancer
I had forgotten about those! I used to keep one for industrial emergency use. They work well and are flexible. Good solution!
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05-17-2019, 07:26 PM | #19 |
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Re: Harmonic Balancer
I just wish it wasn't so RED!
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05-17-2019, 10:08 PM | #20 |
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Re: Harmonic Balancer
Most times when you lose a fan belt can't one just drive on home and replace it there. The thermo cycle should keep the water circulating and with common sense driving you should be okay. On a tour is a different story and carrying the industrial belt seems prudent if you have the harmonic balancer. That's what I will plan on doing if and when I get one installed. (Thinking of putting on and one of Snyder 6.? heads on the roadster. I is a little underpowered with the old Police head and 3:54 gears, though I can shift down and cure that, just have to drive slower.
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