Flooding

Thread Tools
 
Search this Thread
 
Old Jan 28, 2017 | 03:14 PM
  #1  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
Flooding

62 oldsmobile dynamic 88 394, runs great for about 15minutes then floods out. What's the easy answer that I'm missing?
Old Jan 28, 2017 | 04:51 PM
  #2  
oldcutlass's Avatar
Administrator
 
Joined: Oct 2009
Posts: 42,475
From: Poteau, Ok
Probably a carb float issue. If your running an electric fuel pump maybe too much pressure.
Old Jan 28, 2017 | 05:21 PM
  #3  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
Everything is stock. When I bought the car a pulled the carb apart to clean and reseal everything.
Old Jan 28, 2017 | 05:31 PM
  #4  
oldcutlass's Avatar
Administrator
 
Joined: Oct 2009
Posts: 42,475
From: Poteau, Ok
Check the float height.
Old Jan 28, 2017 | 05:58 PM
  #5  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
What should it be?
Old Jan 28, 2017 | 06:06 PM
  #6  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
I was looking the post of other similar issues. I may have a problem in the factory fuel pump. Does anyone know where to get a rebuild kit?
Old Jan 28, 2017 | 06:46 PM
  #7  
oldcutlass's Avatar
Administrator
 
Joined: Oct 2009
Posts: 42,475
From: Poteau, Ok
Auto parts store or possibly Fusick.com.
http://www.fusickautomotiveproducts.com/
Old Jan 29, 2017 | 04:58 AM
  #8  
m371961's Avatar
Registered User
 
Joined: Mar 2012
Posts: 2,163
From: Sistersville, WV
was it ok until you took the carb apart?
Old Jan 29, 2017 | 06:10 AM
  #9  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
It's been a problem since I bought the car.
Old Jan 29, 2017 | 08:25 AM
  #10  
joe_padavano's Avatar
Old(s) Fart
 
Joined: Mar 2007
Posts: 50,768
From: Northern VA
There are only a few credible causes of flooding:

1) Debris in the needle valve holding the valve open
2) Float level set incorrectly
3) Float leaking (if metal) or heavy from attack by alcohol in fuel (if plastic)
4) Excessive fuel pressure
5) (Least likely) Internal leakage in carb float bowl
Old Jan 29, 2017 | 11:59 AM
  #11  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
May not be a flooding issue. It acts like it floods out but starts up immediately after. This only happens once up to operating temp.
Old Jan 29, 2017 | 12:02 PM
  #12  
joe_padavano's Avatar
Old(s) Fart
 
Joined: Mar 2007
Posts: 50,768
From: Northern VA
Originally Posted by Ingraham
May not be a flooding issue. It acts like it floods out but starts up immediately after. This only happens once up to operating temp.
First, it's hard to offer useful advice without reliable information. Second, if it's only happening on cold start, this is probably a choke adjustment issue. Again, is this ALL the relevant information you can provide?
Old Jan 29, 2017 | 12:19 PM
  #13  
Ingraham's Avatar
Thread Starter
Registered User
 
Joined: Dec 2016
Posts: 12
From: LaCrosse Washington
It's not a cold start issue. The car runs great until warm. That's when the issue starts. It acts like it floods or chokes out, and dies. Starts up immediately after. But doesn't run long and won't accept any fuel. Pedal to the floor kills it. Not touching the pedal and it runs really rough for less then a minute and dies. Timing is set the best I can without the car running warm.
Old Jan 30, 2017 | 04:23 PM
  #14  
BlackGold's Avatar
Registered User
 
Joined: Feb 2010
Posts: 1,587
From: West Michigan
Once the engine has warmed up, is the choke butterfly fully opened?
Old Jan 30, 2017 | 04:43 PM
  #15  
oldcutlass's Avatar
Administrator
 
Joined: Oct 2009
Posts: 42,475
From: Poteau, Ok
Make sure the choke plate as all the way open when the engine gets warmed up. Look down inside the carb while its idling and see if there is fuel dripping or gurgling. With the engine off, operate the throttle linkage from idle stop to full throttle while looking down into the cab to see that there are 2 solid streams of fuel spraying in there.

Since most carb problems are generally ignition related, go over your tune. Pull all your plugs and make sure they are in good shape, clean, and gapped to .030. Make sure your points are in good shape and dwell is set to 30* (or a point gap of .019). Then set your timing to 5* BTDC. Set your idle speed to 550 to 600 rpm in gear.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Professur
The Clubhouse
0
Sep 9, 2014 09:10 AM
JohnnyBs68S
Small Blocks
11
Aug 11, 2014 06:51 PM
Dshelvy
Small Blocks
8
Jan 5, 2013 09:09 PM
VikingBlue
General Discussion
2
Feb 14, 2011 07:34 PM
Red Delta
Eighty-Eight
2
Apr 9, 2010 08:31 PM




All times are GMT -7. The time now is 12:48 AM.