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leaky rear main seal help
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Posted: 10/03/09
04:31 PM
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THANKYOU THANKYOU. I AM STUNNED THAT SO MANY PEOPLE TOOK THE TIME TO OFFER HELP FOR MY LEAKY REAR MAINSEAL. OH FOR THE RECORD, MY 65 BELVEDERE IS NAMED LIGHTNIN ROD. THUS THE HANDLE 65LIGHTNING. NOT A FORD THUNDERBOLT. I PUT IN A ROPE SEAL, REUSED THE FIBER SIDES AND USED PLENTY OF GREY SILICONE, LET IT SET OVERNIGHT AND TOOK IT OUT TODAY.ONE BONZAI THRUE THE GEARS A COUPLE WOT. IN 3RD AND HI,BROUGHT IT BACK AND IIIIITTTTTTSSSSSS FFFIIIXXXEEEDDD. YEHA YAY AND QUADRUPLE THANKS TO ALL. I WILL HAVE IT UP TO THE PHILADELPHIA MODIFIERS HOSTED SHOW AND GO AT ATCO NJ IN 2 WEEKS ON SUNDAY. YAY.I WILL LET YOU KNOW HOW IT DOES. THIS IS BY FAR THE MOST I HAVE EVER TYPED OR SPOKEN BUT THANKYOU. G'NITE. MARK
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drmopar
Enthusiast
| Posts: 728
| Joined: 02/08
Posted: 10/03/09
07:43 PM
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Congrates on the repair.
Doc
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darins701
New User
| Posts: 29
| Joined: 06/08
Posted: 10/07/09
03:03 PM
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Glad you got it fixed Mark.
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Posted: 10/13/09
02:33 PM
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what was wrong with the more modern rubber seal?
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Posted: 10/29/09
11:17 AM
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If you want it repaired permanantly, mill .010 of the retainer,reinstall w/ new seal, presto! fixed.
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Posted: 10/30/09
04:51 PM
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I HAD USED 3 DIFERENT BRANDS OF RUBBER REAR MAIN SEALS AND LOTS OF BLUE,ORANGE,BLACK SILICONE ALL LEAKED, BAD. I SWITCHED TO AN OLD 413 ROAP SEAL KIT AND GREY SILICONE. IT IS PERFECTLY DRY. I FINALY GOT IT TO TEST N TUNE, IT DID A 12.5 AT 112 IN 1/4. I SWAPPED MY 391 POSI TO A 430 SPOOL, TOOK MY TIMING TO 34*, REMOVED MY PIPES, AND UPPED MY OCTANE TO 105. I SHOULD SEE 12.0 I WILL KEEP YOU POSTED. THANKS AGAIN FOR YOUR CARING AND HELPFUL ADVICE. MARK.
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Posted: 10/30/09
09:37 PM
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mark.. i know you had a weird problem...
but to fill in the thread... i was reading somewhere on the web.. about PCV testing... and is seems... that incorrect PCV pressures in the crank case can result in short crank and cam seals life... to much of vacuum or pressure causes the lip seal to be pushed too hard against the crank surface.... this prevents any lube from getting into /onto the wear surface.. and the rubber sealing edge melts.. resulting in a leaking seal...
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