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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old October 4th, 2018, 06:03 PM
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Default Rear main seal

i did the search bar on here cannot find correct part number for the rear main seal rubber type, i ordered fel pro bs40048 and it is a rope type, is this correct part number for the rubber type and maybe i got a older seal?
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Old October 4th, 2018, 11:44 PM
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Default Re: Rear main seal

FYI
Check out
https://www.youtube.com/watch?v=Ieckq771rDU
at about the 17 minute mark
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Old October 5th, 2018, 04:11 AM
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Default Re: Rear main seal

what does this have to do with my question? I know how to install it , this guy is no help, he already laid the rope seal in place before the crank I found the rubber type seal same part number
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Old October 5th, 2018, 01:52 PM
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Default Re: Rear main seal

I think he was just trying to make sure you knew about the weird "dip it in water" thing if you had that type of seal, which was the only seal you could find for a long time.

Bill, if you click the Youtube button on your post and paste the part of the link after the "V" in it then it'll show the video without clicking a link.
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Old October 6th, 2018, 02:35 PM
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Default Re: Rear main seal

THE RUBBER SEAL HAS BEEN DISCONTINUED. ALL YOU CAN GET IS A ROPE SEAL.I TRIED EVERY PARTS STORE I COULD THINK OF, ALL SUPERCEDED TO ROPE SEAL. I GOT LUCKY AND ORDERED A COMPLETE GASKET SET, THAT STILL HAD A RUBBER SEAL IN IT.
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Old October 6th, 2018, 04:02 PM
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Default Re: Rear main seal

I found one on Ebay, verified it was a rubber one
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Old October 25th, 2019, 03:06 PM
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Default Re: Rear main seal

I realize this is a year old but for obsolete gaskets and seals, call these people up they specialize in remanufacturing no longer found seals and all auto both domestic and foreign as well as tractors and vintage tractors. If you can get a neoprene seal in lieu of a rope seal, do it. I have worked on a few inline stovebolts and found it is a great way to abate rear main leaks.
https://www.olsonsgaskets.com/
Steve
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Old October 25th, 2019, 03:52 PM
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Default Re: Rear main seal

just tried, olsens does not service gmc, no listings for any gmc.
bummer!!!
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Old October 25th, 2019, 04:23 PM
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Default Re: Rear main seal

If you didn't already pick up the phone and give them a yell. Tell them what you need and if they dont have it and find it obsolete, they will find a oem part and duplicate it. They need to hear from you.
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Old December 12th, 2019, 10:58 PM
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Default Re: Rear main seal

Quote:
Originally Posted by ilvracn View Post
just tried, olsens does not service gmc, no listings for any gmc.
bummer!!!
That's odd, I just talked to Steve at Olsen's last week and he said he had a gasket kit available for my 351C?
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