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05-04-2010, 11:52 PM
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#1 |
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Registered User
Join Date: May 2007
Location: San Antonio
Posts: 993
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Carb question
I've got a question for you guys. Recently I bought an Edelbrock electric choke carb. It runs great. The problem i'm having is that after I turn the motor off and wait 15min it is really hard to start. I have to step on the accelerator and leave it wide open to start. It runs rough for a couple of minutes and a plume of smelly "gas" smoke comes out of the pipes. What can I do to fix it?
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05-04-2010, 11:56 PM
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#2 |
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Future TOTM Winner
Join Date: Aug 2006
Location: Bulverde, TX
Posts: 2,692
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Re: Carb question
Sounds like it is staying choked even after it warms up. They are adjustable if I remember correctly. Going off memory you need to loosen the choke housing and turn it counterclockwise a little.
__________________
72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com Last edited by Critter; 05-05-2010 at 12:08 AM. |
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05-05-2010, 01:16 AM
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#3 |
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Registered User
Join Date: May 2007
Location: texas
Posts: 329
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Re: Carb question
could be the floats set too high. Letting it flood the intake with gas after you shut it down. Pull your breather and watch the top of your carb when you turn it off. If you see a bunch of fumes coming up, it's probably flooding itself.
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05-05-2010, 02:02 AM
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#4 |
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Registered User
Join Date: May 2006
Location: San Antonio, Texas
Posts: 372
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Re: Carb question
it sounds like you have to adjust the flux capacitor about 8degrees and make sure the battery is giving you 1.21 jigawatts.
__________________
'72 K5 CST Blazer 4x4 in perpetual progress '96 2dr Tahoe 4x4 daily driver, Black Bear Performance tune, 285-75-16 Nitto Grapplers, Magnaflow muffler, K&N Air filter, Bilstein Shocks.........E-fan, DT Tri Y or Pacesetter LTs coming soon |
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05-05-2010, 07:46 AM
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#5 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Re: Carb question
Sounds like the reason I have a 1406 sitting on a shelf with about 150 miles on it
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05-05-2010, 08:50 AM
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#6 |
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Registered User
Join Date: May 2006
Location: San Antonio, Texas
Posts: 372
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Re: Carb question
that settles it...i was thinking of buying a new 1405 or 1406......1405 it is.
__________________
'72 K5 CST Blazer 4x4 in perpetual progress '96 2dr Tahoe 4x4 daily driver, Black Bear Performance tune, 285-75-16 Nitto Grapplers, Magnaflow muffler, K&N Air filter, Bilstein Shocks.........E-fan, DT Tri Y or Pacesetter LTs coming soon |
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05-05-2010, 11:03 AM
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#7 | |
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Future TOTM Winner
Join Date: Aug 2006
Location: Bulverde, TX
Posts: 2,692
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Re: Carb question
Quote:
__________________
72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com |
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05-05-2010, 11:22 AM
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#8 |
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Registered User
Join Date: Apr 2004
Location: Sacramento
Posts: 3,737
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Re: Carb question
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'72 2wd blazer, bagged w/ watts link & EDC '72 C10 "Lowered Farm Truck" STOLEN 5-18-11 '66 impala ht |
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05-05-2010, 09:37 PM
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#9 | |
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Registered User
Join Date: Oct 2009
Location: Anna, Texas
Posts: 64
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Re: Carb question
Quote:
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05-05-2010, 10:05 PM
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#10 |
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Registered User
Join Date: Apr 2010
Location: AK
Posts: 198
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Re: Carb question
EDIT: after re-read you are flooding it. Either with the choke staying on, or you really need to check the floats. Also do you have the right fuel pump? They can only handle something like 5 psi.
Also you can adjust where the electric choke comes in, I turned mine way down. The 1406 can be great, it does require tuning/tweaking to get it just right. Last edited by AlaskaMatt; 05-05-2010 at 10:09 PM. |
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05-06-2010, 12:25 AM
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#11 |
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Registered User
Join Date: May 2007
Location: San Antonio
Posts: 993
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Re: Carb question
Thanks guys for the input. I'm gonna adjust the choke a little at a time to see if that fixes the problem. I'll keep you posted.
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05-06-2010, 04:41 PM
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#12 |
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Registered User
Join Date: Nov 2009
Location: Mesa, AZ
Posts: 226
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Re: Carb question
do you have a carb spacer, or is it bolted directly to the intake? I had this problem with my new edelbrock because I had no spacer, and the hot intake was boiling the fuel out of the bowl, making it start hard when warm. I added a 1/2" spacer and the problem disappeared.
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05-06-2010, 07:12 PM
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#13 |
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Registered User
Join Date: May 2007
Location: San Antonio
Posts: 993
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Re: Carb question
What kind of spacer did you get? Where did you pick it up? How many carb gaskets will I need?
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05-09-2010, 01:32 AM
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#14 |
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Registered User
Join Date: Apr 2010
Location: AK
Posts: 198
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Re: Carb question
I was going to mention the spacer as well. I found in stock at local parts store. Get the plastic ones as the aluminum ones defeat the purpose by transferring heat up into the carb.
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05-09-2010, 12:35 PM
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#15 |
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Registered User
Join Date: Nov 2009
Location: Sioux City, IA
Posts: 158
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Re: Carb question
Mine came with a 1407. Other than being wwaaayyy too rich- I have no problems.
I'm planning to downsize to a 1405 for now... hopefully FI in the future.
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Dustin '97 Dodge Ram (daily driver) '71 Blazer (supposed to be a toy... insists on being a project) '85 Monte Carlo SS (project) |
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