 Transmission input shaft seal mystery, have never seen this style seal-should I replace it? |
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| reharvey |
 Dec 15 2011, 11:26 AM
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Senior Member  Group: Members Posts: 573 Joined: 16-July 08 From: N. E. Ohio Member No.: 9,308 Region Association: North East States  |
I have a low mileage 72 trans ( 6000mi. ) that I'm converting to a side shifter. It has a front seal that is very different from the one in the 74 trans that is being used for linkage parts. The black seal in the 74 trans is usually what is found on all the cases I've dismantled. . The sealing area on the blue 72 is inset much deeper into the case and the outer surface sits a machined area not used on the 74 black seal. I'm sure the 72 trans has never been apart so it's an original piece. So, should I knock it out and use the seal that is in the gasket set?
Also got to say that it's great to take a trans apart and see everything inside looks like new! Attached thumbnail(s)  
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Posts in this topic
reharvey Transmission input shaft seal mystery Dec 15 2011, 11:26 AM
jcd914 I doubt either are original seals. The blue seal i... Dec 15 2011, 02:13 PM 02loftsmoor Contact Dr. Evel. Dec 15 2011, 02:15 PM Richard Casto To do the side shift conversion you already have i... Dec 15 2011, 03:00 PM
reharvey
To do the side shift conversion you already have ... Dec 15 2011, 04:02 PM Cap'n Krusty The blue seal is an early version, used on 356s an... Dec 15 2011, 03:00 PM Richard Casto Be careful to not scratch the bore in the case whe... Dec 15 2011, 04:13 PM reharvey
Be careful to not scratch the bore in the case wh... Dec 15 2011, 04:19 PM  |
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