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Rear main seal retainer, what is a quality piece? #2472560
03/26/18 11:56 PM
03/26/18 11:56 PM
Joined: Jan 2003
Posts: 3,009
Covington Georgia
RV2 Offline OP
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Covington Georgia
Looking for suggestions on a rear seal retainer.
Thanks

Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472568
03/27/18 12:26 AM
03/27/18 12:26 AM
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Oregon
A
AndyF Offline
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Oregon
I use the one from Mancini on all of my builds. Haven't had an issue with any of them.

Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472606
03/27/18 02:37 AM
03/27/18 02:37 AM
Joined: Aug 2003
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Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
What block, type of motor, are you wanting one for?


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472665
03/27/18 10:24 AM
03/27/18 10:24 AM
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Covington Georgia
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Hemi mega block

Re: Rear main seal retainer, what is a quality piece? [Re: AndyF] #2472666
03/27/18 10:25 AM
03/27/18 10:25 AM
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Covington Georgia
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Mancini is out of stock

Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472749
03/27/18 01:51 PM
03/27/18 01:51 PM
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Bend,OR USA
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Cab_Burge Offline
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I have used stock ones in stock blocks forever with no problems, do you have a stock retainer to mock it up with?
If so try looking at it to see if it will work or not twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Rear main seal retainer, what is a quality piece? [Re: Cab_Burge] #2472795
03/27/18 03:14 PM
03/27/18 03:14 PM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Offline
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Marion, South Carolina [><]
iagree Never had a problem w/ stock retainers.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Rear main seal retainer, what is a quality piece? [Re: an8sec70cuda] #2472829
03/27/18 04:07 PM
03/27/18 04:07 PM
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Covington Georgia
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Originally Posted By an8sec70cuda
iagree Never had a problem w/ stock retainers.

Chip is that what you have in your Hemi?

Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472846
03/27/18 04:48 PM
03/27/18 04:48 PM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Offline
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Marion, South Carolina [><]
Originally Posted By RV2
Originally Posted By an8sec70cuda
iagree Never had a problem w/ stock retainers.

Chip is that what you have in your Hemi?

No, the KB block has it all made in one piece as the rear main cap.
The World blocks come w/ a new retainer.
All my stock block builds I use stock retainers. Don't see any need for a new one.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Rear main seal retainer, what is a quality piece? [Re: an8sec70cuda] #2472856
03/27/18 05:18 PM
03/27/18 05:18 PM
Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
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Rio Linda, CA
From my experience, used factory retainers sometimes get distorted from having the rope seal pounded into them and don't work well with the neoprene seal. Get a new one.


The INTERNET, the MISinformation superhighway
Re: Rear main seal retainer, what is a quality piece? [Re: John_Kunkel] #2472870
03/27/18 05:43 PM
03/27/18 05:43 PM
Joined: Jan 2004
Posts: 4,540
Motor City
6
6PKRTSE Offline
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Motor City
I never had any issues with just using a stock real main seal retainer either. I do currently have a billet retainer in my Hemi though. No issues so far with this one either.


1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472920
03/27/18 06:49 PM
03/27/18 06:49 PM
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Warren, MI
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Jerry Offline
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we have them in stock at bcrproducts.com


Superior Design Concepts
2574 Elliott Dr
Troy MI 48083
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www.sdconcepts.com
Facebook page: Superior Design Concepts
www.bcrproducts.com
Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472960
03/27/18 08:12 PM
03/27/18 08:12 PM
Joined: Jul 2011
Posts: 953
Chicago
PurpleBeeper Offline
super stock
PurpleBeeper  Offline
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Posts: 953
Chicago
The mancini one fixed a very pesky rear main seal leak for me & others have that exact same style. I'm not sure why it worked, but I'm sticking with it. I also used the silicone 2-piece seals, the good side seals, assembly lube, VERY thin smear of RTV on the mating surfaces & offset the seals. Check Hughes Engines, I believe they carry the same rear seal retainer. I used their directions for installation.


70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"
Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472977
03/27/18 09:09 PM
03/27/18 09:09 PM
Joined: Mar 2006
Posts: 9,791
MI, usa
dvw Offline
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My Mega block uses a stock part. No side seals, just RTV. They can push the retainer off to one side causing a leak. Make sure the bolt holes don't bind holding the retainer to one side. If they do open the holes up one drill size and recheck. Best to bolt down the retainer with no crank during the build to see exactly how it lines up. Make sure the bolt bosses aren't cracked from using a bolt that was too long. Also fill the retainer bolt heads with RTV. Not all pans completely cover the seal retainer bolt recess.
Doug

Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472978
03/27/18 09:11 PM
03/27/18 09:11 PM
Joined: Jan 2003
Posts: 19,304
Las Vegas
Al_Alguire Offline
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Las Vegas
I have never had an issue with a stock piece, even in aftermarket blocks. My Predator has a stock retainer in it. I don't use side seals either just silicone. As pointed out pre checking them before the seal is installed will usually identify any potential issues.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: Rear main seal retainer, what is a quality piece? [Re: RV2] #2472996
03/27/18 09:46 PM
03/27/18 09:46 PM
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Posts: 3,009
Covington Georgia
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Thanks guys, I do have a stock retainer that I can try.







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