Used and Defective Neoprene Rear Main Seals

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   To all who are currently rebuilding an L-134 (or F-134, or even 6-cyl L or F head) engine, or planning to do so.  I am trying to determine why some neoprene main seals are failing, and need your help.

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What type of rear main bearing seal is/was originally in the engine?

If it's a Victor "VG 800093" marked neoprene, please DON'T TOSS IT.  I will pay postage costs if you would send it to me.

Was the engine running OK with this seal? Or did it run OK in the past, before you got it?

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Did you install a Victor neoprene seal only to find it caused hard to turn crankshaft?

If you decided not to use it, please DON'T TOSS IT.  I will pay postage cost if you would send it to me.

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Did you use a Victor neoprene seal only to have it fail?

Please DON'T TOSS IT.  I will pay postage cost if you would send it to me.

Sean

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sean Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Sponsor Member Joined: 20 July 2005 Location: North Idaho Status: Offline Points: 7388	Post Options Post Reply Quote sean Report Post Thanks(0) Quote Reply Topic: Used and Defective Neoprene Rear Main Seals Posted: 28 Oct. 2011 at 3:02pm
	To all who are currently rebuilding an L-134 (or F-134, or even 6-cyl L or F head) engine, or planning to do so. I am trying to determine why some neoprene main seals are failing, and need your help. -------------------------------------------------------------------------------- What type of rear main bearing seal is/was originally in the engine? If it's a Victor "VG 800093" marked neoprene, please DON'T TOSS IT. I will pay postage costs if you would send it to me. Was the engine running OK with this seal? Or did it run OK in the past, before you got it? -------------------------------------------------------------------------------- Did you install a Victor neoprene seal only to find it caused hard to turn crankshaft? If you decided not to use it, please DON'T TOSS IT. I will pay postage cost if you would send it to me. -------------------------------------------------------------------------------- Did you use a Victor neoprene seal only to have it fail? Please DON'T TOSS IT. I will pay postage cost if you would send it to me. Sean
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