temp guage - 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> Electrical
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 10-04-2007, 07:48 AM
Registered User
 
Join Date: Jul 2007
Location: North Carolina
Posts: 12
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
temp guage

i have aVDO water temp guage always reads about 15-20 degrees higher heat than engine is, no teflon tape on sender good ground, any suggestions, ground not connected to battery but has a good ground, any help will be appreciated, thanks jO

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 10-04-2007, 08:29 AM
302 Z28's Avatar  
Last photo:
Join Date: May 2003
Location: North Texas
Posts: 10,839
Wiki Edits: 0

Thanks: 1
Thanked 86 Times in 73 Posts
Automotive electric temp gages are not that accurate IMO. You could try another sender, but I would not hold out much hope for it making any difference. If you are comfortable that the engine is not actually running as hot as the gage indicates I would just leave it alone, if not then install a mechanical gage as they are more accurate.

Expensive industrial temp measurement usually has a 2 degree margin of error. I would suspect that auto temp measurement is a bit less accurate.

Vince
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 10-04-2007, 08:52 AM
Frisco's Avatar
Glad To Be Here
 
Last photo:
Join Date: Nov 2002
Location: Canton, North Carolina
Age: 73
Posts: 2,244
Wiki Edits: 0

Thanks: 0
Thanked 8 Times in 8 Posts
Quote:
Originally Posted by jerry davis
i have aVDO water temp guage always reads about 15-20 degrees higher heat than engine is, no teflon tape on sender good ground, any suggestions, ground not connected to battery but has a good ground, any help will be appreciated, thanks jO
If sender is installed in the cylinder head this is normal because of the close proximity to the exhaust.

If sender is installed in the intake manifold and is reading high; sender is off and you should consider replacing it.

Sender should match the gauge also.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 10-04-2007, 09:46 AM
Registered User
 
Join Date: Jul 2007
Location: North Carolina
Posts: 12
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
temp guage

thanks



have replaced guage with new sender and all new wiring. probably just bad guage, i do have another sender will replace,not much involved. thanks for the imput.
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 10-04-2007, 10:59 AM
302 Z28's Avatar  
Last photo:
Join Date: May 2003
Location: North Texas
Posts: 10,839
Wiki Edits: 0

Thanks: 1
Thanked 86 Times in 73 Posts
Forgot to ask, how are you confirming the actual temp of the engine versus your electric gage?

Vince
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 10-05-2007, 02:28 AM
Registered User
 
Join Date: Dec 2001
Location: torrance ,calif
Posts: 12
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
electric gauges imo

i never trusted electric gauges, granted in my 50 plus years of hot rodding they have improved , i still prefer mech gauges. but even mech gauges are not equal , you get what you pay for !
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 10-05-2007, 11:04 AM
Registered User
 
Last wiki edit: Mopar tapered axle rear brake conversion
Last journal entry: What I'm doing now...
Last photo:
Join Date: Jan 2002
Posts: 4,267
Wiki Edits: 49

Thanks: 0
Thanked 5 Times in 5 Posts
I have the exact same problem with the electric temp gauge thats in my '53. It constantly reads about 15-20 degrees higher than the actual temp (verified by using a mechanical temp gauge). I called the manufacturer and they even sent me a new sending unit but it still reads the same. Lesson learned: inexpensive gauges aren't worth it. I guess you get what you pay for. I'm in the process of replacing these "cheapos" with a good set of Auto Meter gauges, with a mechanical water temp gauge.
Reply With Quote Quick reply to this message

Recent Electrical 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


Similar Threads
Thread Thread Starter Forum Replies Last Post
Tranny Temp Guage = Oil Temp Guage? topdogger Transmission - Rearend 2 06-21-2007 09:59 PM
Need old temp guage 78 monte Engine 1 06-08-2006 11:13 AM
Temp guage sending unit 46_stvblt Engine 0 06-03-2004 09:41 PM
temp guage: up and down, and up and down! bullheimer Engine 5 03-18-2003 08:33 AM
temp guage want work 70 nova Electrical 1 02-23-2003 11:51 PM


All times are GMT -6. The time now is 02:58 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.