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05-27-2019, 09:48 PM
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#1 |
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Senior Member
Join Date: Feb 2002
Location: Southeast Michigan
Posts: 909
Likes: 70
Liked 239 Times in 114 Posts
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Re: Rear Main Seal Advice
What is the year of the block ? Is it a 2 pc or a 1 pc seal . Has the block been line honed ?
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05-27-2019, 09:50 PM
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#2 |
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Junior Member
Join Date: Feb 2015
Posts: 16
Likes: 0
Liked 0 Times in 0 Posts
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Re: Rear Main Seal Advice
The block is a late model bowtie block with an adaptor to run 2 piece seal. It has been line honed.
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05-27-2019, 10:13 PM
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#3 |
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VIP Member
Join Date: Dec 2002
Location: Lower Dakota territory
Posts: 1,180
Likes: 1,074
Liked 799 Times in 236 Posts
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Re: Rear Main Seal Advice
One block I used had been line bored and the rear seal was leakage prone. Shortened the half of the seal that fits in the block until it fit normally. No offset and a dab of Valco aluminum silicone on the back of the seal and the parting lines.
We've seen a rash of rear main seal leaks lately with both the brown and blue seals.
__________________
"That'll never work....." |
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05-27-2019, 11:44 PM
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#4 | |
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VIP Member
Join Date: Feb 2003
Location: Glendale, Arizona
Posts: 3,044
Likes: 712
Liked 1,585 Times in 582 Posts
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Re: Rear Main Seal Advice
Quote:
https://allstarperformance.com/align...pter-all26127/ |
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05-28-2019, 11:46 AM
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#5 | |
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Member
Join Date: Feb 2007
Location: NORTHEAST
Posts: 287
Likes: 1
Liked 18 Times in 10 Posts
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Re: Rear Main Seal Advice
Quote:
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05-29-2019, 07:34 AM
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#6 |
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Member
Join Date: Nov 2005
Location: cloquet mn
Posts: 466
Likes: 17
Liked 67 Times in 30 Posts
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Re: Rear Main Seal Advice
I have a slight leak like that also, spoke
With a distinguished gent from South Dakota and he used a GM rear main recently on a engine that had a similar issue and it cured the leak.
__________________
Ron Mattson 5015 STK |
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