Too Much Fuel Pressure 350 - 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 04-08-2004, 11:27 AM
HJCHEVY400's Avatar
When Cool Meant Cubic Inches
 
Last photo:
Join Date: Jan 2004
Location: Adelaide, Australia
Age: 35
Posts: 47
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Question Too Much Fuel Pressure 350

I have a 350chev, Holley 650DP, stock fuel lines 5/16", stock fuel pump. When testing my fuel pressure at idle, i get a guage reading of 9.5psi. Is this too high to run without a regulator of some sort? Would it cause rich running?

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 04-08-2004, 01:09 PM
HemmiGremmie's Avatar  

Last journal entry: 52 truck
Last photo:
Join Date: May 2002
Location: Chillicothe Ohio
Age: 47
Posts: 1,406
Wiki Edits: 0

Thanks: 3
Thanked 0 Times in 0 Posts
Yea.
Thats to hi. Get a regulator and adjust it to around 5psi or so. HG
__________________
I was built with the body of a God! To bad it was buddah.

[url]http://www.hotrodders.com/forum/journal.php?action=view&journalid=2415[/url]

Hemmies rat journal below.

[url]http://www.hotrodders.com/forum/journal.php?s=f6d0e9c7fec644bb0a70761c0431939b&journalid=84231&action=view[/url]
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 04-08-2004, 01:27 PM
Jmark's Avatar
Registered User
 
Last photo:
Join Date: Sep 2003
Location: phoenix
Age: 61
Posts: 4,925
Wiki Edits: 0

Thanks: 13
Thanked 47 Times in 36 Posts
If the stock pump is putting out 9 pounds, i'd replace the pump before installing a regulator. Pump is around $10 at Napa. Most stock GM sbc pumps run about 5 1/2 to 6 pounds. Must have a bad relief spring in it.


My name is Mark Jacobsen and I approve of this post.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 04-09-2004, 10:53 AM
HJCHEVY400's Avatar
When Cool Meant Cubic Inches
 
Last photo:
Join Date: Jan 2004
Location: Adelaide, Australia
Age: 35
Posts: 47
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for your advice guys. Will swap the pump and get a regulator to cover all areas. But i might get another fuel pressure guage. I have a holley guage, but for some reason I don't trust it. The fuel pressure pulsates from 9 odd to about 9 1/2. Does it pulsate normally? The idle fluctuates in my car as i have a rough idling cam, so i thought that could cause the fluctuation. But either way, i'll try another guage.
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:
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



All times are GMT -6. The time now is 04:59 PM.


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.