C4 ZR-1 Discussion General ZR-1 Corvette Discussion, LT5 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track

oil drain plug size

 
Old 10-12-2005, 02:35 PM
  #1  
dbriana
CF Senior Member
Thread Starter
 
dbriana's Avatar
 
Member Since: May 2005
Location: SHREVEPORT LA
Posts: 1,247
Likes: 0
Recieved 0 Likes on 0 Posts
Default oil drain plug size

What size socket/wrench do you use for drain plug?
dbriana is offline  
Old 10-12-2005, 03:07 PM
  #2  
Jeffvette
CF Senior Member
 
Jeffvette's Avatar
 
Member Since: May 2000
Location: No more yankee my wankee, the Donger is tired!
Posts: 17,103
Likes: 0
Recieved 0 Likes on 0 Posts
Default

5/8ths I believe.
Jeffvette is offline  
Old 10-12-2005, 03:13 PM
  #3  
4DSZR1
CF Senior Member
 
4DSZR1's Avatar
 
Member Since: Jun 2005
Location: Tacoma WA
Posts: 1,164
Likes: 0
Recieved 0 Likes on 0 Posts
Default

I just did mine last weekend..... 9/16
4DSZR1 is offline  
Old 10-12-2005, 06:00 PM
  #4  
NGT ZR-1
Junior Member
 
NGT ZR-1's Avatar
 
Member Since: Oct 2002
Location: Denver Colorado
Posts: 42
Likes: 0
Recieved 0 Likes on 0 Posts
Default

I use a 14mm socket for my drain plug which fits good and tight.
NGT ZR-1 is offline  
Old 10-13-2005, 06:00 PM
  #5  
Tomcat74
CF Senior Member
 
Tomcat74's Avatar
 
Member Since: Feb 2005
Location: Vancouver Wasington
Posts: 179
Recieved 2 Likes on 2 Posts
Default oil drain plug size

Hi

I use a 9/16 & a big drip pan.

Tomcat 74
Tomcat74 is offline  
Old 10-13-2005, 07:28 PM
  #6  
jabrun
CF Senior Member
 
jabrun's Avatar
 
Member Since: Dec 2004
Location: Mitchell SD
Posts: 599
Likes: 0
Recieved 1 Like on 1 Post
Default

9/16 six point here but 14mm and 9/16 are really close in size.
jabrun is offline  
Old 03-30-2019, 09:07 PM
  #7  
sl21
Junior Member
 
Member Since: Mar 2011
Posts: 5
Recieved 0 Likes on 0 Posts
Default

My oil drain plug bolt was frozen and the only thing that worked was 9/16s and a breaker bar
sl21 is offline  
Old 03-30-2019, 10:22 PM
  #8  
fxkenny
CF Member
 
Member Since: Oct 2017
Posts: 81
Likes: 0
Recieved 5 Likes on 5 Posts
Default

14mm is the correct size. Depending on amount of abuse your fit may vary.
I believe Jerry's has new drain plugs and the correct washer so you don't have to over tighten. Remember, you are going into aluminum!!
fxkenny is offline  
Old 03-30-2019, 11:07 PM
  #9  
Dynomite
Tech Contributor
Support Corvetteforum!
 
Dynomite's Avatar
 
Member Since: Sep 2009
Location: South Dakota
Posts: 1,139
Recieved 39 Likes on 36 Posts
Default

Originally Posted by fxkenny View Post
14mm is the correct size. Depending on amount of abuse your fit may vary.
I believe Jerry's has new drain plugs and the correct washer so you don't have to over tighten. Remember, you are going into aluminum!!
I use 14 mm which is .5512 in
A 9/16 is .5625 and if the oil drain plug has seen a little abuse the larger 9/16 will work a bit better. If the oil drain plug is tight, the 14 mm will give a better grip.

I always coat the washer both sides and the threads of the oil drain plug with a bit of Permatex which helps secure the plug with a little less torque as fxkenny suggests to not overtighten

You are going into aluminum but...….the aluminum oil pan has a steel Helicoil insert for the Oil Drain Plug.

Last edited by Dynomite; 03-30-2019 at 11:20 PM.
Dynomite is offline  

Thread Tools
Search this Thread
Quick Reply: oil drain plug size


Sponsored Ads
Vendor Directory

Contact Us - About Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: