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  • Engine: rear main seal

    I am into replacing the rear main seal in my 1960,289 for the third time.When I rebuilt in 2009,there were no leakage issues(it's so much easier to put one together on an engine stand).Due to some issues I had to go back in to the engine.The complete rebuild kit was from STUDEBAKER INTERNATIONAL,so I bought a rear seal and pan gasket from them.To say it leaked a little would be an understatement.Has anyone used Fel Pro seals(or some other brand) with good success? Is there a neoprene pan gasket available from any vendor? I have a shop manuel which I use religiously.This is not my first engine rebuild,but it is my first STUDEBAKER rebuild.Any advice would be appreciated.

  • #2
    There ARE no other brands of Rear Main Seals, only a few NOS, Original Old Stock "Brummer" Seal Kits, did I mention OLD? These seem to me to be no better than the FelPro reproductions.

    No there are no Neoprene Pan Gaskets.

    It seems to be all about very carefully assembling the Main Seals, side Corks on the Main Cap, Pan Gasket Front and Rear Arch Gaskets and Timing Cover Gasket and Filler Block as one project to get it sealed perfectly, upside down of course.

    After about 10,000 Miles they usually drip a few drops, but nothing major.

    I have used both Permatex #2 and Form-A-Gasket RTV Black Silicone with the same results, but sealer IS a MUST.

    Most failures seem to be that pesky Rear Pan Arch Gasket, it MUST be fully seated into the Main Cap.
    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner

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    • #3
      Over thirty years ago I rebuilt the engine in my 8 cyl Champ PU. I religiously followed the instructions in the shop manual. Now 30+ years later still no leaks.
      Is your leak from the pan gasket or rear main seal? Is your crank smooth where it turns against seal?
      If I remember correctly I used copious amounts of good ol' Permatex #2 on pan gasket (yeah I know it's "old technology" but it worked). I also used a NOS crank.

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      • #4
        Way back when in my college student days, I had a part time job at the local Studebaker dealer - Courtesy Motors in Corvallis, Oregon. Whenever they did a rear main seal, they always installed a new rear main bearing. This to reduce the presence of oil at the rear seal due to normal wear of the main bearing. Being a dealer, he always had access to individual main bearings, and I recall you could buy individual main bearings from aftermarket sources, back then, also.

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        • #5
          The crank surface is in good shape.I was curious because Rock Auto lists two seals(one I haven't heard of) I guess I'll go with the Fel Pro and get a pan gasket from a STUDEBAKER vendor. Thanks for the feedback.I plan to go to the International meet in September.Hope to see ya'll there.
          Marshall

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          • #6
            Found them! The "Other Parts/Gaskets Mfg./Seller at Rock Auto": Mahle. Apparently, they are somewhat into Racing/NASCAR etc.

            I also NEVER heard of these people, wondering WHERE their stuff is Made?

            MAHLE Aftermarket Inc.
            23030 MAHLE Drive
            Farmington Hills, MI 48335

            Phone: 248-347-9700
            Mail: aftermarket@mahle.com

            For $4.20 More than FelPro, you can get their JV1747 Studebaker V8 Main Seal or their Full Engine Gasket Set for a mere $30.00 More!

            These COULD be, just repackaged FelPro and Price bumped!
            StudeRich
            Second Generation Stude Driver,
            Proud '54 Starliner Owner

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            • #7
              Originally posted by StudeRich View Post
              Found them! The "Other Parts/Gaskets Mfg./Seller at Rock Auto": Mahle. Apparently, they are somewhat into Racing/NASCAR etc.

              I also NEVER heard of these people, wondering WHERE their stuff is Made?

              MAHLE Aftermarket Inc.
              23030 MAHLE Drive
              Farmington Hills, MI 48335

              Phone: 248-347-9700
              Mail: aftermarket@mahle.com

              For $4.20 More than FelPro, you can get their JV1747 Studebaker V8 Main Seal or their Full Engine Gasket Set for a mere $30.00 More!

              These COULD be, just repackaged FelPro and Price bumped!
              They make pistons, cylinders and other parts for air cooled VW. A very common name in the VW world.

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              • #8
                Mahle is expanding their engine parts business - their gasket line is the former Victor brand.

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                • #9
                  Back in the day I worked for Dana Corporation in parts distribution. In addition to Perfect Circle rings, we carried the Victor line of gaskets. After all these years I still remember the head gasket numbers-1060 for the flat head six, 1100 for the V8 and 1168 for the OHV six. I've got a small pile of parts in the basement I need to go through. I've dragged them everywhere I've lived for over thirty years.......

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                  • #10
                    Originally posted by Studebakercenteroforegon View Post
                    Mahle is expanding their engine parts business - their gasket line is the former Victor brand.
                    That's interesting, since Victor has been out of business for decades!
                    StudeRich
                    Second Generation Stude Driver,
                    Proud '54 Starliner Owner

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                    • #11
                      Victor is still around as Victor-Reinz!


                      Mahle makes lots of engine parts. Bought Dana engine parts.

                      https://www.mahle-aftermarket.com/na...vices/gaskets/

                      OK, further research shows Victor-Reinz became part of Dana, who then.....

                      Mahle it is!
                      Last edited by Frank DuVal; 02-05-2019, 09:05 PM.
                      Frank DuVal

                      50 Commander 4 door

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                      • #12
                        On the procedure to use,when installing the rear main seal-I have seen on this forum a suggestion to turn the seal from the level position.Any ideas on that?
                        Marshall

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                        • #13
                          Yes I have done it one time on my '54 Commander Land Cruiser 232 V8, and it worked fine.
                          However I have also installed them the correct way and also had good results.

                          No harm in doing that, it did work very well just carefully install the tiny side Seals and Main Brg. Side Corks properly.

                          The original Brummer Seals I used had the side Seals loose and round, not square and attached to one half seal like later versions of both Brands had later, I did this in 1969.
                          StudeRich
                          Second Generation Stude Driver,
                          Proud '54 Starliner Owner

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                          • #14
                            Just an FYI, there is a TW photo shoot of the new 59' Lark Police fleet for the city of South Bend. I vaguely remember Mr(s). Newman and/or Altman posing with 3-4 of these cars and maybe the chief. Brand new cars showed the obligatory oil patches under the engines. That confirmed to me that these era engines were developed to leak after some early operation. Now that oil prices are north of $4./qt. its a bit more perplexing.

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                            • #15
                              StuderRich said it all.

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