Is it normal for push rods to have spring? - Pontiac GTO Forum
User Tag List

 
LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old 03-08-2015, 02:15 PM Thread Starter
EdR
 
Join Date: Sep 2014
Posts: 58
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Is it normal for push rods to have spring?

I'm putting my engine back together and went to adjust the rockers and noticed the push rods can be pushed in about a half inch, just with some light pressure by hand, as if their on springs. They spring right back when released. I used comp cam hydraulic lifters. When I rotate the engine the valves all open and close so I know the rods are sitting on the lifters. Is it normal for them to spring like that? If it is how do I adjust the rockers?
EdR is offline  
Sponsored Links
Advertisement
 
post #2 of 3 (permalink) Old 03-08-2015, 04:17 PM
 
PontiacJim's Avatar
 
Join Date: Dec 2012
Location: Gastonia, NC - Born & raised in Connecticut - 31 years
Posts: 3,552
Mentioned: 1 Post(s)
Tagged: 1 Thread(s)
Quoted: 364 Post(s)
Garage
Wild guess on this one. Did you install them dry? They simply might not have any oil inside of the lifters. I typically submerge each lifter in oil and them place a pushrod into the cup and pump it a few times to get oil inside. I would think this would build some resistance and you would not get what you are experiencing. I also do a fine adjust of them while the engine is running IF you are using the locking type aftermarket rocker arm nuts.

However, I did find this thread that details installing the lifters "dry" and it seems to be an approved method as well. adjusting hydraulic lifters with no oil? [Archive] - NastyZ28.com
PontiacJim is offline  
post #3 of 3 (permalink) Old 03-08-2015, 04:36 PM Thread Starter
EdR
 
Join Date: Sep 2014
Posts: 58
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Quote:
Originally Posted by PontiacJim View Post
Wild guess on this one. Did you install them dry? They simply might not have any oil inside of the lifters. I typically submerge each lifter in oil and them place a pushrod into the cup and pump it a few times to get oil inside. I would think this would build some resistance and you would not get what you are experiencing. I also do a fine adjust of them while the engine is running IF you are using the locking type aftermarket rocker arm nuts.

However, I did find this thread that details installing the lifters "dry" and it seems to be an approved method as well. adjusting hydraulic lifters with no oil? [Archive] - NastyZ28.com
This is exactly what it is. Thank you!
EdR is offline  
Sponsored Links
Advertisement
 
Reply

  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO General Discussion

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Pontiac GTO Forum forums, you must first register.
Please enter your desired user 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:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
No oil coming up thru the push rods ??? jimmy328 1964-1974 Tempest, Lemans & GTO General Discussion 4 11-07-2014 10:30 AM
push rods and rocker arms Topkat 1964-1974 Tempest, Lemans & GTO General Discussion 17 03-14-2011 10:39 AM
valve springs, push rods and rocker arms Richtenb Engine Discussions 5 10-31-2010 04:21 AM
Final Push xcmac26 1964-1974 Tempest, Lemans & GTO General Discussion 15 10-06-2009 07:45 AM

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

 
For the best viewing experience please update your browser to Google Chrome