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Old 10-05-2019, 11:47 PM   #1
ursus
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Default Front Wheel Cylinders

I have found significant pitting in my 1939-41 front wheel cylinders (1"" / 1.25"). These are evidently no longer available from the vendors, who suggest changing to the 1942-48 wheel cylinders (1" / 1.375"). Any thoughts regarding this change regarding pedal effort, braking efficiency, etc. ? Thanks much!
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Old 10-06-2019, 12:03 AM   #2
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Default Re: Front Wheel Cylinders

Might be a good time to convert to the Bendix style (Lincoln) brakes. Complete bolt-on kits are available.
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Old 10-06-2019, 01:11 AM   #3
rich b
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Default Re: Front Wheel Cylinders

Later wheel cylinders work; been using them for replacements for quite a while.

Note that the Chinese seem to have a problem getting the holes drilled right, been milling the slot deeper in the big piston to let the cup sit out farther and clear the misplaced hole.
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Old 10-06-2019, 11:31 AM   #4
ursus
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Default Re: Front Wheel Cylinders

Quote:
Originally Posted by rich b View Post
Later wheel cylinders work; been using them for replacements for quite a while.

Note that the Chinese seem to have a problem getting the holes drilled right, been milling the slot deeper in the big piston to let the cup sit out farther and clear the misplaced hole.
Thanks for the heads-up on cylinders from China. As I recall, Chairman Mao's Great Leap Forward did not come with a braking system.

Is there an alternative source to the product from China?
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Old 10-06-2019, 11:59 AM   #5
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Default Re: Front Wheel Cylinders

Try Rock Auto. Look for 1946 Ford. Also your local NAPA may be able to get you these parts which are not made in China.
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Old 10-06-2019, 12:56 PM   #6
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Default Re: Front Wheel Cylinders

The current pictures of the Raybestos wheel cylinders on RockAuto web sight show "Made in USA on the casting; going to have to order a pair next time and see for sure. And if they are, check and see if the machining is correct.
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Old 10-06-2019, 01:17 PM   #7
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Default Re: Front Wheel Cylinders

On my 47, I found that someone had previously installed new, earlier 1-1/4 cylinders. I changed back to 1-3/8 on my 47. So, I have 'near-new' 1-1/4 cylinders, which I will offer free. Of course, if you were seeking my advise, I would suggest using new, 1-3/8 cylinders for your application. Improved braking, meaning less pedal force needed. (Ford thought this up, not me.)
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