Go Back   The Ford Barn > General Discussion > Early V8 (1932-53)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 07-10-2017, 09:12 AM   #1
Steve Staysko
Senior Member
 
Steve Staysko's Avatar
 
Join Date: May 2010
Location: Dewinton, Alberta, Canada
Posts: 463
Default Stromberg 48 Carburetor Leaks

My Stromberg 48 Carburetor sometimes leaks gasoline between the base of the carburetor and the intake manifold leaving a gasoline stain on the intake manifold. I’m perplexed because I will drive the car for a few days no leaks and then it will start to leak what is the solution to stop these annoying leaks? Thanks
Steve Staysko is offline   Reply With Quote
Old 07-10-2017, 09:58 AM   #2
weemark
Senior Member
 
Join Date: May 2010
Location: uk
Posts: 367
Default Re: Stromberg 48 Carburetor Leaks

do you have an electric fuel pump on your car?
weemark is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Old 07-10-2017, 10:24 AM   #3
Steve Staysko
Senior Member
 
Steve Staysko's Avatar
 
Join Date: May 2010
Location: Dewinton, Alberta, Canada
Posts: 463
Default Re: Stromberg 48 Carburetor Leaks

No electric fuel pump using the original fuel pump.
Steve Staysko is offline   Reply With Quote
Old 07-10-2017, 10:30 AM   #4
Tim Brown
Senior Member
 
Tim Brown's Avatar
 
Join Date: May 2010
Location: Colfax, CA
Posts: 386
Default Re: Stromberg 48 Carburetor Leaks

Mine was leaking around the throttle shaft.
Tim Brown is offline   Reply With Quote
Old 07-10-2017, 10:54 AM   #5
Steve Staysko
Senior Member
 
Steve Staysko's Avatar
 
Join Date: May 2010
Location: Dewinton, Alberta, Canada
Posts: 463
Default Re: Stromberg 48 Carburetor Leaks

It leaks at the back and both sides of the carb base.
Steve Staysko is offline   Reply With Quote
Old 07-10-2017, 02:35 PM   #6
hardtimes
Senior Member
 
hardtimes's Avatar
 
Join Date: May 2010
Location: South California
Posts: 6,188
Default Re: Stromberg 48 Carburetor Leaks

Sponsored Links (Register now to hide all advertisements)
Quote:
Originally Posted by Steve Staysko View Post
It leaks at the back and both sides of the carb base.
Hey Steve,
'common'..Reasons for leaks on a Stromberg;
-throttle shaft with tooo much play..rebush or oversize shaft.
-float setting not correct...check/measure reset float
-gasket surfaces not flat/mating correctly...flatten gasket mating surfaces.
-minute crack in body allowing seepage ...blast, check, seal as necessary.
-tooo much fuel pressure....check for 11/2 to 2lbs pressure.
-float leak...check float...replace if necessary

On and ON.
My #1 guess would be throttle shaft looseness.
Remedy ...have Charlie in NY or Uncle Max rebuilt to original specs
hardtimes is offline   Reply With Quote
Old 07-10-2017, 05:02 PM   #7
1934
Senior Member
 
1934's Avatar
 
Join Date: Jul 2010
Location: Quebec, Canada
Posts: 413
Default Re: Stromberg 48 Carburetor Leaks

Hi Steve, Charlie/NY did mine and it works beautifully. Car runs like a top and never a leak! I'd send it to him and guaranteed no more problems.
Doug.
1934 is offline   Reply With Quote
Old 07-11-2017, 04:02 AM   #8
FlatheadTed
Senior Member
 
FlatheadTed's Avatar
 
Join Date: May 2010
Location: Auckland
Posts: 4,689
Send a message via AIM to FlatheadTed
Default Re: Stromberg 48 Carburetor Leaks

You should be able to run the motor with the top of the carb of and the fuel level should not go any higher than 1/2x 32,so the gasket is only to stop evaporation ,There shouldn't be any fuel pooling down around the throttle shafts ,so I think Its a faulty needle valve .Like Hard times said you might need to test the pump pressure also ,Ted
__________________
http://www.flatheadted.com


Flathead Ted brake Floaters ,

Last edited by FlatheadTed; 07-12-2017 at 11:04 PM.
FlatheadTed is offline   Reply With Quote
Old 07-11-2017, 12:43 PM   #9
bluardun
Senior Member
 
bluardun's Avatar
 
Join Date: May 2010
Location: Tucson, Az.
Posts: 321
Default Re: Stromberg 48 Carburetor Leaks

HARDTIMES has shed good solutions. Note that the 48 & 97's take a different manifold/carb gasket. I use a grease on both sides of the gasket to guarantee of nice seal.
bluardun is offline   Reply With Quote
Old 07-11-2017, 04:06 PM   #10
scicala
Senior Member
 
scicala's Avatar
 
Join Date: Jun 2010
Location: Detroit suburb, MI
Posts: 3,696
Default Re: Stromberg 48 Carburetor Leaks

One other potential (and fairly common) wet spot could be from any of the three brass plugs at the bottom of the bowl for the main jet and accel pump check valve access.

Sal
scicala is offline   Reply With Quote
Old 07-11-2017, 06:14 PM   #11
uncle max
Senior Member
 
uncle max's Avatar
 
Join Date: May 2010
Location: SLC Utah
Posts: 797
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by bluardun View Post
hardtimes has shed good solutions. Note that the 48 & 97's take a different manifold/carb gasket. I use a grease on both sides of the gasket to guarantee of nice seal.
huh?
__________________
RIP Tyler... My Son, Helper & Best Friend.
Feb '78 to Father's Day '10.
www.97-express.com ~ [email protected]
uncle max is offline   Reply With Quote
Old 07-11-2017, 10:08 PM   #12
JM 35 Sedan
Senior Member
 
JM 35 Sedan's Avatar
 
Join Date: May 2010
Location: Near Rising Sun, Maryland
Posts: 10,856
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by uncle max View Post
huh?
What the....??
__________________
John

"Never give up on what you really want to do. The person with big dreams is more powerful than one with all the facts". Albert Einstein
JM 35 Sedan is offline   Reply With Quote
Old 07-11-2017, 10:46 PM   #13
Dick's Hot Rod Place
Senior Member
 
Dick's Hot Rod Place's Avatar
 
Join Date: May 2010
Location: Texas
Posts: 622
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by uncle max View Post
huh?
That's what I thought to max.
__________________
www.dickshotrodcarbs.com
Dick's Hot Rod Place is offline   Reply With Quote
Old 07-11-2017, 11:10 PM   #14
Grandadeo
Senior Member
 
Grandadeo's Avatar
 
Join Date: May 2010
Location: Jensen Beach, FL
Posts: 565
Default Re: Stromberg 48 Carburetor Leaks

As I've said on here before - my Stromberg 97 coffee mug leaks. Go figure.

Lee
__________________
Salt Is Good... Mk 9:50
Grandadeo is offline   Reply With Quote
Old 07-12-2017, 05:32 AM   #15
Kerk
Senior Member
 
Join Date: May 2010
Posts: 642
Default Re: Stromberg 48 Carburetor Leaks

The cause of an EXPENSIVE fire in my 35. The fire extinguisher saved the whole car but the engine area was damaged. Costly! kerk
Kerk is offline   Reply With Quote
Old 07-12-2017, 06:16 AM   #16
FrankWest
Senior Member
 
FrankWest's Avatar
 
Join Date: Sep 2013
Posts: 3,001
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by Grandadeo View Post
As I've said on here before - my Stromberg 97 coffee mug leaks. Go figure.

Lee
HA HA! funny
FrankWest is offline   Reply With Quote
Old 07-12-2017, 06:17 AM   #17
FrankWest
Senior Member
 
FrankWest's Avatar
 
Join Date: Sep 2013
Posts: 3,001
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by Kerk View Post
The cause of an EXPENSIVE fire in my 35. The fire extinguisher saved the whole car but the engine area was damaged. Costly! kerk
What Carb do you use Now?
FrankWest is offline   Reply With Quote
Old 07-13-2017, 07:22 AM   #18
Kerk
Senior Member
 
Join Date: May 2010
Posts: 642
Default Re: Stromberg 48 Carburetor Leaks

I sent the faulty carb to Uncle Max and Also another . He found the problem - a crack in the fuel bowl. He sent back both a rebuilt 48 and a 97 . I will be using the 97 if that is what you are asking but know the 48 is more correct for 35. The car is still in the shop being repaired. kerk
Kerk is offline   Reply With Quote
Old 07-13-2017, 07:40 AM   #19
FrankWest
Senior Member
 
FrankWest's Avatar
 
Join Date: Sep 2013
Posts: 3,001
Default Re: Stromberg 48 Carburetor Leaks

Quote:
Originally Posted by Kerk View Post
I sent the faulty carb to Uncle Max and Also another . He found the problem - a crack in the fuel bowl. He sent back both a rebuilt 48 and a 97 . I will be using the 97 if that is what you are asking but know the 48 is more correct for 35. The car is still in the shop being repaired. kerk
Scary to have a fire. Do you think the metal integrity of the old castings on the Stromberg 48 eventually deteriorate and crack, is that why you went with a newer stromberg 97? Did you put a new one in?
FrankWest is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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

Forum Jump

Sponsored Links (Register now to hide all advertisements)


All times are GMT -5. The time now is 12:35 AM.