SUPPORT OUR SPONSOR

Go Back   Club Cobra > Club Cobra Tech Areas > Shop Talk

Welcome to Club Cobra!  The World's largest non biased Shelby Cobra related site!

  •  » Representation from nearly all Cobra/Daytona/GT40 manufacturers
  •  » Help from all over the world for your questions
  •  » Build logs for you and all members
  •  » Blogs
  •  » Image Gallery
  •  » Many thousands of members and nearly 1 million posts! 

YES! I want to register an account for free right now!  p.s.: For registered members this ad will NOT show

Keith Craft Racing
Nevada Classics
MMG Superformance
Main Menu
Nevada Classics
Nevada Classics
MMG Superformance
Advertise at CC
Banner Ad Rates
MMG Superformance
MMG Superformance
MMG Superformance
March 2024
S M T W T F S
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31            
  #1 (permalink)  
Old 05-04-2015, 09:44 AM
YerDugliness's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2006
Location: No city...only 118 residents in Manter, KS
Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc.
Posts: 812
Not Ranked     
Default Hoping to get advice re: "shorter" carb

I have a bit of a problem and will post it here as well as on the Small Block board...I am running into a hood interference problem and hope to gain some good advice.

Here's the deal...I would like to go with a better intake manifold (really prefer the Air Gap RPM) on my SBF engine, but at present there is not enough room for everything under the hood scoop.

Originally this engine had a 780 Holley on it...WAAAAY too much carb for what I believe to be a box-stock 1989 Ford 5.0HO engine which has been fitted for carb rather than EFI. It was changed to an Edelbrock Thunder carb which seems to be quite well suited to the engine. The intake is an Edelbrock Performer (not even the Performer RPM model) and at present there's probably only about 1/4" between the top of the air cleaner and the underside of the hood SCOOP, inside which the air cleaner resides.

I've looked into all sorts of ideas on how to get more room for a better intake without having to have the frame horns cut off and welded on lower. I thought about buying the Air-Gap manifold and having the carb base on the manifold machined...have searched for motor mounts that would lower the engine (and was told on one of the Mustang forums that motor mounts for a convertible GT would drop the engine between 1/2" and 3/4")...even tried to use the base off of an older Mr. Gasket 9" air cleaner (which didn't work well due to sealing issues at the carb flange). Right now I am back to using the nicely radiused air cleaner base that came with the 9" K&N X-Stream Filtercharger kit, but with an air filter that is only 2 1/4" tall rather than the 3" filter that came with the kit.

At this point I've been happy with what I have, think it is running better than it has ever run, but I'd like to pursue moving the RPM range up higher and I think that's going to take a better intake manifold.

So....requests for suggestions! I am hoping that there is a carb out there that is "shorter" than this Edelbrock (AFB) style carb. Perhaps between getting a shorter carb and going to a shorter air cleaner (on the X-Stream Filtercharger the top also has filtration material and I have read that the capacity of just that part is at 500 CFM) I could fit not only the fine K&N air cleaner base as well as a taller manifold and move the power band up higher in the RPM range (not to mention the other benefits of the Air-Gap manifold).

I don't mind going to a specialty/custom carb if that's what it will take...have always planned on getting a custom built Quick-Fuel from Brent Lykins.

Once I find out if there's any chance to improve the intake manifold situation I can then move on to chosing heads and a cam to better take advantage of the upper RPM range for this motor.

Does anyone have any suggestions? A drop-base air cleaner isn't really going to do any good for me because the only reason I can get an air cleaner on it at all is due to it sitting up into the hood scoop. I could go with one of Bernica's Holley plate bases, but then I lose that nicely radiused K&N base, which single-handedly seems to have added 5 HP to the "seat of the pants" feel.

Thanks in advance for any helpful advice!

Cheers!

Dugly
__________________
YD,E./PNB

No names were changed to protect the innocent!

Last edited by YerDugliness; 05-04-2015 at 11:24 AM.. Reason: spelling
Reply With Quote
  #2 (permalink)  
Old 05-04-2015, 10:20 AM
MaSnaka's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2006
Location: Thousand Oaks, CA
Cobra Make, Engine: Classic Roadster
Posts: 1,359
Not Ranked     
Default

How tall is your current carb?
Reply With Quote
  #3 (permalink)  
Old 05-04-2015, 11:27 AM
YerDugliness's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2006
Location: No city...only 118 residents in Manter, KS
Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc.
Posts: 812
Not Ranked     
Default

Quote:
Originally Posted by MaSnaka View Post
How tall is your current carb?
I'm not certain...and it's in "storage" right now at the mechanic's shop where the LSD is being rebuilt, so it may be a bit before I can get there to measure from the intake manifold carb seat to the air cleaner flange.

I'll get a measurement soon as I can....I think the car is on the lift and the lift is all the way up right now as the mechanic is just starting on the LSD rebuild.

Cheers!

Dugly
__________________
YD,E./PNB

No names were changed to protect the innocent!
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 On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 03:58 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy