Re: Mill RB rear oil seal retainer?
[Re: Clanton]
#2303781
05/13/17 11:34 AM
05/13/17 11:34 AM
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Joined: Mar 2007
Posts: 3,285 West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,285
West Coast, USA
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If it weren't such a pain to change the seal once the car is up and running, I would say go for it. Keep in mind that by doing so you are only bringing the top and bottom of the circumference closer together. The sides remain at nearly the same distance apart.
Why not replace the seal holder with an after market unit. Hughes sells a nice one that uses the Superformance seal.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Mill RB rear oil seal retainer?
[Re: Clanton]
#2303797
05/13/17 12:17 PM
05/13/17 12:17 PM
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Joined: May 2011
Posts: 4,489 northern,Ohio,USA
Clanton
OP
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OP
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Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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I am headed to asphalt wars at Thompson to watch but will check in tonight.please continue with the help.
Last edited by Clanton; 05/13/17 12:18 PM.
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Re: Mill RB rear oil seal retainer?
[Re: Clanton]
#2303863
05/13/17 03:29 PM
05/13/17 03:29 PM
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Joined: Jan 2003
Posts: 25,893 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,893
Rio Linda, CA
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Is the seal retainer brand new?
The original retainers were used with the rope seal which has to be pounded into the retainer groove, I'm of the opinion that the pounding distorts the groove and makes them incompatible with the neoprene seal. A brand new factory retainer or aftermarket retainer groove isn't distorted.
The INTERNET, the MISinformation superhighway
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Re: Mill RB rear oil seal retainer?
[Re: NANKET]
#2303985
05/13/17 08:38 PM
05/13/17 08:38 PM
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Joined: May 2011
Posts: 4,489 northern,Ohio,USA
Clanton
OP
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OP
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Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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I was told to get a new retainer every time, I did they and had great success. Who sells new retainers that are good now? Heard the half round was not centered on the crank causing leaks. Yes how many people sell new,billet retainers?There must be 3 or 4.
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Re: Mill RB rear oil seal retainer?
[Re: Clanton]
#2304102
05/13/17 11:53 PM
05/13/17 11:53 PM
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Joined: Jan 2015
Posts: 35 Canada
Criterion
member
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member
Joined: Jan 2015
Posts: 35
Canada
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I *just* finished a rear main seal re-install today on my 512 so I sympathize with what a pain in the ass you're going through. My rear main seal holder is a BCR one -- I run their whole main cap and girdle setup. The seal holder is a nice piece, but you still need to be careful. A guarantee of zero leaks it is not. In fact, you'll probably find the lip that hangs into the block and over main #5 will interfere with the nuts for the main cap if you're running studs. I didn't notice that when I built my motor last year, have had a leak since, and just finished getting around to fixing it today. In the following image you can see how I added clearance to the seal holder today: Image of the modified holder Other words of advice: -Put the seal ends at 6 and 12 o'clock (I gleaned this from a post by Monte Smith and also RAMM) -Apply aviation gasket sealant on the seal ends and onto the block where the seal holder sits. Don't use RTV -- it can cause adhesion issues or not let the seal holder sit down. -If you're weird like me... I widen the grooves where the side wipers would go and don't use them. I let the seal holder naturally guide itself over the seal (with ends at 6 and 12) and to where it wants to. Then I do up the bolts and pay attention not let them shift the seal holder. After that I pump ultra black or the Right Stuff down the grooves where the side seals would normally go. I hope at least some of that might be of help to you.
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Re: Mill RB rear oil seal retainer?
[Re: Clanton]
#2304473
05/14/17 07:30 PM
05/14/17 07:30 PM
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Joined: May 2011
Posts: 4,489 northern,Ohio,USA
Clanton
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OP
master
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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I measured the knurl on my 440sourse crank at 2.810 and the inside width of the retainerseal is 2.780 so there should be .015 contact on each side if my Eagle crank is the same.IDK!I measured with the retainer on a table up to the seal lip.The seal at the deck is 2.810 though so maybe I can shim that in. ps:anyone have an Eagle crank to measure the knurl?Stock stroke.
Last edited by Clanton; 05/14/17 08:07 PM.
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