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03-27-2014, 10:35 PM | #1 |
Registered User
Join Date: May 2007
Location: San Antonio
Posts: 993
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Rochester VS. Edelbrock carb
Well, I've had an Edelbrock 1406 electric choke carb for the last three years. The problem is that the secondaries are leaking gas now. I have always had a hard time starting the Blazer after a long drive. If I turn it off and back on it's ok, but if I let it sit for 10-15 minutes it is hell to start it up again. When it does start, it runs rough and smells like gas. I am considering going with a Rochester. I was wondering if anyone else has had this problem with the Edelbrock. How do you guys like the Rochester?
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03-27-2014, 11:33 PM | #2 |
Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,977
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Re: Rochester VS. Edelbrock carb
I took the Edelbrock off my Blazer and gave it away.
In my opinion, no carb comes close to the Quadrajet for reliable performance and good economy. |
03-27-2014, 11:33 PM | #3 |
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Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Re: Rochester VS. Edelbrock carb
I had similar problems with a 1406. I know there has been numerous threads on this. I recently bought a jet performance Stage 1 quadrajet and put it on my blazer and love it. I have always had great luck with quadrajets.
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03-28-2014, 12:35 AM | #4 |
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Join Date: Mar 2013
Location: Durango,co
Posts: 28
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Re: Rochester VS. Edelbrock carb
Are Quadra jets decent for steep hills and rock crawling in high elevation, wondering cause I in Colorado where the terrain is tough. I have and edlebrock 1406 myself on my 72 k5 and its a POS I always get flooded or stalled when im four wheeling or on steep angles.
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03-28-2014, 12:42 AM | #5 | |
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Join Date: Aug 2009
Location: Bowser
Posts: 13,732
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Re: Rochester VS. Edelbrock carb
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03-28-2014, 11:26 AM | #6 |
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Join Date: May 2007
Location: Rapid City South Dakota
Posts: 2,359
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Re: Rochester VS. Edelbrock carb
Sound like a classic "heat soak" situation. After the 15 minute set time, the carb soaks up the engine heat, expanding the gas untill it floods the carb. I had the same problem. I added a heat shield under the carb (the thin sheet of aluminum style) and never had the problem again. You could also try lowering your floats a tad. A lot cheaper than buying another carb! A q-jet is a lot less prone to this with the float bowl being in the middle of the carb, as opposed to the outer edges like the edelbrock.
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Turp Mcspray New life for an old 2wd, farm blazer http://67-72chevytrucks.com/vboard/s...d.php?t=505987 My Blazer build http://67-72chevytrucks.com/vboard/s...d.php?t=342299 |
03-28-2014, 02:29 PM | #7 | |
Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,977
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Re: Rochester VS. Edelbrock carb
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03-28-2014, 04:36 PM | #8 |
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Join Date: Feb 2003
Location: Santa Ana, CA
Posts: 2,191
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Re: Rochester VS. Edelbrock carb
Had similar issues with a 1406. Dumped it and went with a Jet Performance Q-jet. Loved the Q-jet. For off-roading, the fuel pressure can be dialed down a bit, and the floats can be lowered a bit to reduce flooding potential.
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03-30-2014, 01:08 AM | #9 |
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Join Date: May 2007
Location: San Antonio
Posts: 993
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Re: Rochester VS. Edelbrock carb
I looked at the Jet Q-jets and there is an option for a divorced choke. What is that?
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03-30-2014, 07:21 AM | #10 |
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Join Date: Apr 2012
Location: Henderson Nevada
Posts: 804
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Re: Rochester VS. Edelbrock carb
Sounds like you need to tune up your carb. You can buy the kit online or at orielly's. I run both the quadrajet and the Edelbrock and I think the edelbrock is easier to work on.
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1972 cheverolet K5 CST Blazer 350/auto/AC/PS/PB/Aux Batt From Medford, Oregon |
03-30-2014, 07:30 AM | #11 |
Registered User
Join Date: Apr 2012
Location: Henderson Nevada
Posts: 804
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Re: Rochester VS. Edelbrock carb
Old style choke system. Has a thermo coil spring and rod that hooks to your carb. Mounts in a well on your intake manifold just beside the carb on the passenger side. Works off of heat and a bimetalic spring. As the engine heats up the choke opens when it cools down the choke closes.
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1972 cheverolet K5 CST Blazer 350/auto/AC/PS/PB/Aux Batt From Medford, Oregon |
03-30-2014, 11:01 AM | #12 |
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Join Date: Oct 2011
Location: jacksonville, fl
Posts: 15
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Re: Rochester VS. Edelbrock carb
took off my edelbrock it leaked never could get it right threw it away and got a quick fuel carburetor its made by holley runs so much better
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03-30-2014, 11:15 PM | #13 |
Registered User
Join Date: Mar 2013
Location: Durango,co
Posts: 28
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Re: Rochester VS. Edelbrock carb
Well for the cost doing a fuel pressure regulator at 5psi is fare, the cost for a Rochester varies from 100-550 dollars. Any body ever try an affordable efi/tbi exchange?
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