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Old 07-15-2020, 09:51 AM   #1
Richard Lorenz
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Default Neoprene Seal for front of crankshaft

Does anyone have experience with the "new" neoprene seal that goes at the front of the crankshaft. It replaces the rope-type seal.

It is described on page A-131 of Snyder's Catalog.
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Old 07-15-2020, 11:00 AM   #2
pinball73
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Default Re: Neoprene Seal for front of crankshaft

well i put one in when i rebuilt my 29 engine & i am very pleased with it! when i did it i also replied the front pulley, where the seal makes contact, as mine was worn. have not had a problem with it! no leaks, no drips, no runs
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Old 07-15-2020, 11:26 AM   #3
Smog Tech
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Default Re: Neoprene Seal for front of crankshaft

They seem to work great I have been putting them on using a front pulley hub (pulley machined off) to hold the seal in alignment while I install the pan and front cover. Saw one that still leaked, think the block was line-bored off-center
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Old 07-16-2020, 04:41 PM   #4
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Default Re: Neoprene Seal for front of crankshaft

Mine has always worked well. 12 years,26K miles. Still original from Skokie antique engines.

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Old 07-16-2020, 05:55 PM   #5
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Default Re: Neoprene Seal for front of crankshaft

40,000 hard miles on mine and no sign of even a weep. I can't see myself ever using a rope seal (never have).
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Old 07-16-2020, 11:42 PM   #6
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Default Re: Neoprene Seal for front of crankshaft

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There seems to be two types:


https://snydersantiqueauto.com/Produ...earchByKeyword

$21.95. A modern neoprene seal that replaces the old 2 piece style rope seal in the front of the motor. The bottom rests in the oil pan, and the top in the timing gear cover. No machining required.


https://www.brattons.com/front-crank...dern-seal.html

$12.50. This is a one piece nitrile (which is better than neoprene) seal, which replaces the two white rope seals (9770). Fits 28-34 and 32 to 53 V-8s.
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Old 07-17-2020, 04:25 PM   #7
midgetracer
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Default Re: Neoprene Seal for front of crankshaft

definitely a good upgrade.
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Old 07-18-2020, 12:10 AM   #8
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Default Re: Neoprene Seal for front of crankshaft

Quote:
Originally Posted by M2M View Post
There seems to be two types:

https://snydersantiqueauto.com/Produ...earchByKeyword

$21.95. A modern neoprene seal that replaces the old 2 piece style rope seal in the front of the motor. The bottom rests in the oil pan, and the top in the timing gear cover. No machining required.

https://www.brattons.com/front-crank...dern-seal.html

$12.50. This is a one piece nitrile (which is better than neoprene) seal, which replaces the two white rope seals (9770). Fits 28-34 and 32 to 53 V-8s.
There is a third type seal from Bill Stipe that has an aluminum retainer and press in seal.
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Old 07-18-2020, 08:36 AM   #9
Patrick L.
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Default Re: Neoprene Seal for front of crankshaft

Hmmm, interesting. I've not had an issue with the rope seals.
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Old 07-18-2020, 10:25 AM   #10
Russ/40
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Default Re: Neoprene Seal for front of crankshaft

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Hmmm, interesting. I've not had an issue with the rope seals.
Ditto! I've never had a front leaking rope seal on any V8, or my "A". Consequently, I have never felt the need to change.
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Old 07-18-2020, 10:44 AM   #11
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Default Re: Neoprene Seal for front of crankshaft

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Originally Posted by Patrick L. View Post
Hmmm, interesting. I've not had an issue with the rope seals.
Ditto
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