valve seals or rings? - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 01-09-2013, 04:34 PM
Registered User
 
Join Date: Dec 2012
Posts: 11
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
valve seals or rings?

hello guys before i put my 350 in my car i put umbrella seals on the valves and the shop i bout them from told me if i use the umbrella seals i can remove me ols valve seals and not put new ones back becuase all i need is the umbrealla seals is this true.

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 01-09-2013, 04:50 PM
Richiehd's Avatar
JS-70
 
Last photo:
Join Date: Jun 2011
Location: Jupiter FL
Posts: 847
Wiki Edits: 0

Thanks: 158
Thanked 56 Times in 49 Posts
Yes, they should work fine.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 01-10-2013, 02:17 AM
Registered User
 
Last photo:
Join Date: Jan 2011
Location: Hopewell, Va
Age: 62
Posts: 1,206
Wiki Edits: 0

Thanks: 0
Thanked 117 Times in 113 Posts
valve seals or rings?

What type seals are the old ones? If they are the o-ring type you remove them and replace with the umbrella seals.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 01-10-2013, 07:02 AM
Registered User
 
Join Date: Nov 2011
Location: Virginia
Posts: 705
Wiki Edits: 0

Thanks: 0
Thanked 75 Times in 75 Posts
There's a significant terminology issue at work here. When you say "umbrella", what EXACTLY do you mean?

I ask because I've seen positive seals erroneously refered to as "umbrella". A "positive" seal has steel rings around it that "secure" it to the top of the guide. An "umbrella" just slides over the valve stem and "rides" up and down with the valve. Earlier versions of Ford V8s made extensive use of unmbrella seals. SBC only had them on the exhaust side, circa 1979-later (usually a hard plastic material). The SBC also used the positive seal on the intake side during that era. Today, virtually ALL engines use a "positive" seal.

All that said, the "O" ring at the top is intended to prevent oil from runnning through the retainer, down the stem into the guide. While they MAY be extraneous, GM DID use them in conjunction with the positive seals and umbrellas. In short, using them ("O" rings) couldn't hurt!

Jim
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 01-10-2013, 07:10 AM
Registered User
 
Join Date: Dec 2012
Posts: 11
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
these umbrella seals are like a rubber and looks like a sewing thimble but with a hole on top i was told to remove the old O ring and slide the umbrellas all the way down but im getting blue smoke big time on start up for like ten min then its all good
Reply With Quote Quick reply to this message

Recent Engine posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
valve seals for tbrown8338 Engine 2 02-12-2012 08:00 AM
74 Caprice - 400 SBC - Valve seals or worn rings ? (Video) Calderone Engine 2 01-17-2011 09:59 PM
Valve Seals stfinney Engine 5 05-20-2008 10:21 AM
Valve seals Guy Hiltz Engine 2 12-26-2006 04:02 PM
Can the dual coil valve springs on a BB destroy Valve guide seals Auto-Part Engine 4 11-25-2003 05:23 PM


All times are GMT -6. The time now is 07:22 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.