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Old 07-06-2010, 01:06 PM   #1
Born Lucky
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Part Number Help

I am looking at replacing my rear main seal.
While running a search I found two types
One with a falange
One without
Which one is correct?
Does it matter?
Thanks
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Old 07-06-2010, 01:40 PM   #2
geezer#99
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Re: Part Number Help

What motor?
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Old 07-06-2010, 02:30 PM   #3
Born Lucky
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Re: Part Number Help

Sorry, forgot some vital information.
I have a 292 engine inline 6.
Thanks.
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Old 07-06-2010, 02:49 PM   #4
geezer#99
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Re: Part Number Help

I think it depends on the year of your six. Leo Santucci's book says early motors used the flange type. My old 67 gmc with a 250 used that type. I got mine at Napa but can't remember the year cut-off. Get both and return the one you don't need. They're cheap.
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Old 07-06-2010, 03:56 PM   #5
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Re: Part Number Help

63-67 2 piece; bs 13241
68-88 single lip 2 piece; bs11829
77-88 offset double lip 2 piece ; bs11829-1
77-88 double lip 2 piece; bs40013
77-88 single lip 2 piece; bs40655
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Old 07-06-2010, 04:13 PM   #6
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Re: Part Number Help

Quote:
Originally Posted by aerotruk63 View Post
63-67 2 piece; bs 13241
68-88 single lip 2 piece; bs11829
77-88 offset double lip 2 piece ; bs11829-1
77-88 double lip 2 piece; bs40013
77-88 single lip 2 piece; bs40655
Thank you for the help.
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