Gas/ oil on intake. - CorvetteForum - Chevrolet Corvette Forum Discussion


C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Gas/ oil on intake.

Reply
 
 
 
Thread Tools Search this Thread
Old 05-17-2018, 03:01 PM   #1  
jhopper408
CF Senior Member
Support Corvetteforum!
Thread Starter
 
jhopper408's Avatar
 
Member Since: Apr 2013
Location: Port Hope MI
Posts: 860
Thanks: 0
Thanked 17 Times in 17 Posts
Default Gas/ oil on intake.

I have a 77 383S. The engine has 800 miles on it. What creats a quarter inch round but a quarter inch deep of oil or gas? On the intake after a 50 miles of driving.
jhopper408 is offline   Reply With Quote
Old 05-17-2018, 03:03 PM   #2  
jhopper408
CF Senior Member
Support Corvetteforum!
Thread Starter
 
jhopper408's Avatar
 
Member Since: Apr 2013
Location: Port Hope MI
Posts: 860
Thanks: 0
Thanked 17 Times in 17 Posts
Default

Quote:
Originally Posted by jhopper408 View Post
I have a 77 383S. The engine has 800 miles on it. What creats a quarter inch round buy quarter inch deep of oil or gas? On the intake after a 50 miles of driving.
Thanks
John.
jhopper408 is offline   Reply With Quote
Old 05-17-2018, 03:04 PM   #3  
calwldlife
CF Senior Member
 
calwldlife's Avatar
 
Member Since: Jan 2007
Location: Southern Cal Ca
Posts: 38,377
Thanked 69 Times in 69 Posts
Default

Quote:
Originally Posted by jhopper408 View Post
I have a 77 383S. The engine has 800 miles on it. What creats a quarter inch round but a quarter inch deep of oil or gas? On the intake after a 50 miles of driving.
not using sealer on the manifold bolts.
calwldlife is offline   Reply With Quote
Old 05-17-2018, 08:18 PM   #4  
drwet
CF Senior Member
 
drwet's Avatar
 
Member Since: Dec 2009
Location: Thunder Bay
Posts: 1,876
Thanked 103 Times in 103 Posts
Default

Depends. Which is it? Oil or gas?
drwet is offline   Reply With Quote
Old 05-18-2018, 12:59 AM   #5  
sug
CF Senior Member
 
sug's Avatar
 
Member Since: Aug 2013
Location: perth Aus w.a
Posts: 544
Thanked 61 Times in 53 Posts
Default

Leaking carb .
sug is online now   Reply With Quote
Old 05-18-2018, 06:30 AM   #6  
scrappy76
CF Senior Member
 
scrappy76's Avatar
 
Member Since: Jan 2011
Location: Hamilton Virginia
Posts: 1,678
Thanked 64 Times in 55 Posts
Default

Quote:
Originally Posted by jhopper408 View Post
I have a 77 383S. The engine has 800 miles on it. What creats a quarter inch round but a quarter inch deep of oil or gas? On the intake after a 50 miles of driving.
Where is the puddle? in the back, in the front, on the side ?
You need to dip your finger in it, feel it and smell it.
If it feels and smells heavily of gas, then it's coming from your carb.
If it feels slippery and has a lubricant smell, it's oil. then it could be coming from your valve cover, or your distributor seal. It also could be coolant depending on which coolant you are using and its not dirty.
scrappy76 is offline   Reply With Quote
Old 05-18-2018, 08:28 AM   #7  
Rescue Rogers
CF Senior Member
Support Corvetteforum!
 
Rescue Rogers's Avatar
 
Member Since: Oct 2015
Location: YUPPY HELL Westford MASS
Posts: 3,735
Thanked 479 Times in 444 Posts
C3 of Month Finalist 2016
Default

take a pic please
Rescue Rogers is offline   Reply With Quote
Old 05-18-2018, 09:15 AM   #8  
gdh
CF Senior Member
 
Member Since: Jan 2000
Location: Orangeville Ontario
Posts: 8,558
Thanked 27 Times in 26 Posts
Default

I had oil start showing up on my intake 1 yr after installing a new GM ZZ383. Pulled the front bolts, 3 of 4 had no sealant on them. Pulled the rest to check, they were fine but cleaned, sealed an torqued down to specs. No issues since.
gdh is offline   Reply With Quote
Old 05-18-2018, 06:40 PM   #9  
DUB
CF Senior Member
 
Member Since: Apr 2009
Location: Charlotte NC
Posts: 17,041
Thanked 1,773 Times in 1,579 Posts
Default

Quote:
Originally Posted by Rescue Rogers View Post
take a pic please
Or as least verify what it is that is puddling up. And where it actually is located.

DUB
DUB is offline   Reply With Quote
Old 05-19-2018, 01:59 PM   #10  
jhopper408
CF Senior Member
Support Corvetteforum!
Thread Starter
 
jhopper408's Avatar
 
Member Since: Apr 2013
Location: Port Hope MI
Posts: 860
Thanks: 0
Thanked 17 Times in 17 Posts
Default

Thanks guys. It's gas. But it suprisess me, because the carb brand new. And by the way. It's on the front left on the manifold. It's a 650 Holly carb.
thanks John.
jhopper408 is offline   Reply With Quote
Go Back   CorvetteForum - Chevrolet Corvette Forum Discussion >
Reload this Page
  • Gas/ oil on intake.
  •  
     
    Reply


    Thread Tools Search this Thread
    Search this Thread:

    Click for Advanced Search

    Posting Rules
    You may not post new threads
    You may not 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 Off
    Pingbacks are Off
    Refbacks are Off

    Forum Jump

    Sponsored Ads
    Vendor Directory

    All times are GMT -4. The time now is 05:41 PM.


    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: