Carb Drip - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old Apr 16th, 03, 03:35 PM Thread Starter
Senior Tech
 
Join Date: Apr 2002
Location: Oakland TN
Posts: 292
Post

After rebuilding my BG sports claw 750 dp the primary emptys slowly.
The drip is from around the primary butterfly blade shaft. Is that a good description ? Its where the throttle linkage connects to the carb.
So after about 8 hours the primary bowl is low enough I cant shake the car hard enough to see fuel.
I have replaced the bowl and metering block gasket twice since the rebuild trying to fix this leak.
Did I miss something during the rebuild ?


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
My Camaro
impzilla is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old Apr 17th, 03, 06:23 PM
Senior Tech
 
Join Date: Feb 2002
Location: Williamstown,PA
Posts: 500
Post

I'll take a stab at this since no one's touched it yet.
Make sure the fuel's not coming from the primary accelerator pump located under the front fuel bowl. The diaphragms in these often go bad. There's a slim chance the fuel is following the linkage. Most of the time they just leave a puddle on the intake. If the fuel bowl and metering plate are ok that's the only thing I can think of.

'69 RS Camaro 355 5-speed 4.11
1 2RUN is offline  
post #3 of 4 (permalink) Old Apr 18th, 03, 12:51 AM
Super Moderator
Bess-68's rule
 
Everett#2390's Avatar
 
Join Date: Sep 2000
Location: Va Beach VA
Posts: 32,005
Garage
Cool

I'll also take a chance, wonder what the prize is?

It might be a cracked carb body due to the bottom bowl screw hole may have had some foreign (as opposed to domestic) material in the threads and when the screw was installed, it may have bottomed out and kept pushing. Thereby creating a minute crack and the fuel is following the threads and seeping through.

You can always empty out the salt shaker from the kitchen table and fill it with flour. Go out to carb and sprinkle flour all around. Find the dampness and there's your leak.

Another thing you might do is to apply 2-3 psi of shop air to the bowl vent. Look for leaks. If you have a carb with a fuel transfer tube for both bowls, then you will need to "Y" the vents together and pressurize both bowls together.

Give a man a rescued dog for the health of both their souls. May 2017 ROTM Winner - Thank you!
'
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
CUBS - 2016 World Series Champions - Thank you, Joe Madden Ö enjoy your next chapter.
Everett#2390 is offline  
 
post #4 of 4 (permalink) Old Apr 18th, 03, 03:20 AM Thread Starter
Senior Tech
 
Join Date: Apr 2002
Location: Oakland TN
Posts: 292
Post

I have watched the leak for a few days now and the leak is from the throttle shaft.
Nothing under the pump.
I didnt think fuel was at that part of the carb.
Could the venturis leak and the fuel work its way out through the shaft ?


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
My Camaro
impzilla is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Team Camaro Tech 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.
NOTE we receive a lot of registrations with bad email addresses. IF you do not receive your confirmation email you will not be able to post. contact support and we will try and help.
Be sure you enter a valid email address and check your spam folder as well.



Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



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