Will I reduce the vacuum? - 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 05-16-2009, 01:11 PM
redride's Avatar
1969 Nova SS502
 
Last photo:
Join Date: Feb 2009
Location: Texas
Posts: 131
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Will I reduce the vacuum?

My current set up is a 502 with a BMT roller cam ground on 107, big lope and small on vacuum. I am runnng a vacuum can to my 7" brake booster. I am also running braded line from both breather caps and it is connected to the header collectors. My question is if I remove the lines from the header collectors to the breather caps and replace this with a pcv valve to the carb on one side and just a breather cap on the other will I reduce the amount of vacuum gong to my vacuum can? I do not like the huge braded lines going to the breather caps and want to do away with this but I need the vacuum for my brakes.

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 05-16-2009, 01:38 PM
cobalt327's Avatar
WFO
 
Last wiki edit: Intake manifold
Last journal entry: 1980 Malibu Wagon
Last photo:
Join Date: Mar 2009
Location: Atlanta
Age: 59
Posts: 5,037
Wiki Edits: 1616

Thanks: 128
Thanked 597 Times in 546 Posts
Quote:
Originally Posted by redride
My question is if I remove the lines from the header collectors to the breather caps and replace this with a pcv valve to the carb on one side and just a breather cap on the other will I reduce the amount of vacuum gong to my vacuum can?
I don't see that as being a problem- to plump a PVC instead of the exhaust set-up.

The set-up as-is, should only be drawing down the crank case, and should not affect the vacuum in the intake tract to any appreciable degree.

The PCV valve does draw off a little vacuum signal, but IMHO, not enough to alter how the vacuum can works now.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 05-16-2009, 05:30 PM
redride's Avatar
1969 Nova SS502
 
Last photo:
Join Date: Feb 2009
Location: Texas
Posts: 131
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Ok, thanks
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 05-16-2009, 06:28 PM
eloc431962's Avatar
Evil Wicked Mean And Nasty
 
Last wiki edit: Pilot bearing and bushings
Last journal entry: roof repair
Last photo:
Join Date: Nov 2008
Location: back in the garage.
Posts: 13,762
Wiki Edits: 37

Thanks: 50
Thanked 28 Times in 24 Posts
You really shouldnt even notice IMO. Cole
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 05-16-2009, 07:23 PM
pepi's Avatar
How’s that hopey-changey thing
 
Last wiki edit: Determining top dead center
Last journal entry: Quicky frame dolly
Last photo:
Join Date: Mar 2005
Location: Georgia ... USA
Posts: 1,835
Wiki Edits: 8

Thanks: 0
Thanked 0 Times in 0 Posts
agreed that will work fine and look a heck of a lot cleaner . they make breathers with the pcv hidden inside .

http://store.summitracing.com/partde...5&autoview=sku
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 05-16-2009, 07:25 PM
redride's Avatar
1969 Nova SS502
 
Last photo:
Join Date: Feb 2009
Location: Texas
Posts: 131
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Yep that is one reason I want to change it.
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
Port or Full time vacuum cool rockin daddy Engine 129 10-05-2010 03:00 PM
detonation 71 chevy c-10 Engine 33 04-29-2010 12:20 PM
How much is too much advance Mertz Engine 33 04-26-2008 11:11 AM
Chevy 454 PCV and Vacuum question rakundig Engine 7 10-29-2003 08:33 PM
69' Camaro RS Vacuum Hide-away Headlights PrimaDude Engine 1 11-18-2002 12:46 AM


All times are GMT -6. The time now is 02:40 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.