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Old 05-18-2019, 09:26 AM   #21
katy
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Default Re: Harmonic Balancer

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I just wish it wasn't so RED!
It doesn't have to be red, there's different makes available.
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Old 05-18-2019, 09:55 AM   #22
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Default Re: Harmonic Balancer

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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...
I guess it depends on how long your battery lasts.

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It doesn't have to be red, there's different makes available.
Yeah, I saw a gray one after I bought the red one. It's all good. By the looks of this belt it will outlast me. After more research I'm thinking more and more when I install the Balancer I will just run the PowerTwist belt all the time.

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Old 05-18-2019, 10:27 AM   #23
BRENT in 10-uh-C
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Default Re: Harmonic Balancer

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I guess it depends on how long your battery lasts.


Most batteries will last a long, LONG time --especially when the lights are LEDs!! Maybe another reason to use LED bulbs??



I think it is often funny, -almost to the point about being comical how some people are so worried about what if something breaksdown on the side of the road and all the hypothetical what-ifs' that potentially could happen. I've seen guys that carried better parts under the seat of their Model-A as a back-up contingency in case they breakdown going to town to get ice cream on a Saturday evening. Why not properly restore each and every component for peace of mind and leave all the spare stuff at home?? Then on the very slim chance that something does malfunction, whip out the trusty AAA card and have them tote you & your car home where it can be repaired in a less-stressful environment called your Garage.
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Old 05-18-2019, 05:33 PM   #24
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Default Re: Harmonic Balancer

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Originally Posted by BRENT in 10-uh-C View Post
Most batteries will last a long, LONG time --especially when the lights are LEDs!! Maybe another reason to use LED bulbs??



I think it is often funny, -almost to the point about being comical how some people are so worried about what if something breaksdown on the side of the road and all the hypothetical what-ifs' that potentially could happen. I've seen guys that carried better parts under the seat of their Model-A as a back-up contingency in case they breakdown going to town to get ice cream on a Saturday evening. Why not properly restore each and every component for peace of mind and leave all the spare stuff at home?? Then on the very slim chance that something does malfunction, whip out the trusty AAA card and have them tote you & your car home where it can be repaired in a less-stressful environment called your Garage.

My philosophy to a Tee (or should that be an A?) one of my reasons for going back to an A after owning some reasonably exotic vintage cars, was its simplicity and the readily available spare parts. I carry no spares but have had to call on the AA once which ultimately proved to be a loose wire on the ignition switch, my fault and not a failure of any Model A component.
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Old 05-18-2019, 05:48 PM   #25
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Default Re: Harmonic Balancer

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It doesn't have to be red, there's different makes available.


The red pulley would be faster .
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Old 05-18-2019, 06:56 PM   #26
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Default Re: Harmonic Balancer

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The red pulley would be faster .

worth at least 2 HP.........
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Old 05-19-2019, 11:21 AM   #27
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Default Re: Harmonic Balancer

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My philosophy to a Tee (or should that be an A?) one of my reasons for going back to an A after owning some reasonably exotic vintage cars, was its simplicity and the readily available spare parts. I carry no spares but have had to call on the AA once which ultimately proved to be a loose wire on the ignition switch, my fault and not a failure of any Model A component.
You should have called the AAA. If you really did call AA they would make you come to meetings.

Whoops, I see that you are from New Zealand. In the USA, "AAA" is the
American Automobile Association and "AA" means Alcoholics Anonymous.
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Old 05-19-2019, 03:59 PM   #28
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We have an electric fan with a manual switch and very rarely need to switch it on. We keep an eye on the motometer and when the red starts to show which is usually only in serious stop-start traffic, we switch the fan on and it very quickly pulls the temperature down. The real point here is that in normal touring there is no need for a fan (this with an improved fast road motor running 7:1 head)
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Old 05-19-2019, 11:50 PM   #29
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Default Re: Harmonic Balancer

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We have an electric fan with a manual switch and very rarely need to switch it on. We keep an eye on the motometer and when the red starts to show which is usually only in serious stop-start traffic, we switch the fan on and it very quickly pulls the temperature down. The real point here is that in normal touring there is no need for a fan (this with an improved fast road motor running 7:1 head)
Huh? Ya lost me. I thought we were talking about Harmonic Balancers.
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Old 05-21-2019, 07:07 PM   #30
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Huh? Ya lost me. I thought we were talking about Harmonic Balancers.
Yes, but there was some concern about not being able to replace the fan belt if it broke and the discussion turned to how important is the fan and is it really necessary?
I was pointing out that as we don't have a conventional fan, only an electric one, it's surprising how rarely one needs to switch on the fan, proving that one should be able to drive under most conditions without a fan?
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Old 05-21-2019, 08:00 PM   #31
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It didn't occur to me that you were running an electric fan on a Model A. I actually thought you were mistakenly answering another thread in a different forum...
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Old 05-21-2019, 10:07 PM   #32
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Default Re: Harmonic Balancer

I would find the generator to be important if we are talking about no belt.
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Old 05-21-2019, 11:27 PM   #33
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You can run a long time without the generator working, especially if you're not using the lights.
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Old 05-22-2019, 06:01 AM   #34
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Default Re: Harmonic Balancer

How often do fan belts break???? I'm almost 70 and never broke a fan belt
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Old 05-22-2019, 08:30 AM   #35
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Default Re: Harmonic Balancer

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Old 05-22-2019, 09:15 AM   #36
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Default Re: Harmonic Balancer

I've had 2 break over the years, both on modern vehicles, both GM products, never had a belt break on a Ford product. Strange.
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Old 05-22-2019, 08:48 PM   #37
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Default Re: Harmonic Balancer

In 1964 I used my uncle's 1947 Dodge business coupe to take a drive in to the farm, and sure enough the belt broke. I tied a piece of rope around the fan and crank to drive 20 miles back to his house.


In the mid 80's the fan belt broke on my 1949 Chevy 1 1/2 ton truck when I was 200 miles from home. I was by a tractor shop and found out the Farmall tractor used the same belt. I think it's also the same belt as the Model A uses.
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Old 12-14-2019, 01:52 AM   #38
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Default Re: Harmonic Balancer

I am thinking of installing a Murray harmonic balancer. The problem I see is that I have an alternator that looks like a generator. There is not much room between the block and the lower water pipe, maybe a 1/4" between the two.

So my belt is tight as it is and when I need to move the alternator, it barely fits on. I cant see jacking up the engine to move the alt, or work on the fan/water pump.

Any ideas?
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Old 12-14-2019, 04:40 AM   #39
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Default Re: Harmonic Balancer

The harmonic balancer I got from Murray is about 1/4” diameter smaller than the original one piece I had on there. If that helps any.
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Old 12-14-2019, 06:40 AM   #40
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Default Re: Harmonic Balancer

If you have to remove the belt for any reason, you always remove it from the smallest pulley first and put it on the reverse way. That would be the water pump or alternator so if you loosen the belt and take it off the water pump, you should have enough slack to do what ever you want.

So my belt is tight as it is and when I need to move the alternator, it barely fits on. I cant see jacking up the engine to move the alt, or work on the fan/water pump.

Any ideas?


I'm guessing here but it seems to me that your water outlet at the bottom of the raditor might be in the wrong place. My lower hose is further from the block and I can vary it by twisting the whole hose and tube assembly. So much so that even with a belt 2" longer than spec, I can still have the belt clear the hose with it tensioned. That gives oodles of room to back off the alternator far enough to slip the belt off. Then, when the belt is slipped off the water pump too, it is VERY loose.
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