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Author
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Topic: Carb opinions
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Kyle
Journeyman Posts: 64
From: Sumner, WA USA
Registered: Dec 2001
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posted 12-06-2001 11:34 AM
   
Hello all. I was just wondering if anyone has an opinion about the holley 4010 series carbs. A buddy of mine picked up one (650cfm) to replace the carter on my race motor (302) but I don't know if that is a good carb or if I should go and find a 650 DP. Anyone have any expierence with these carbs- good, bad, or otherwise?
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cpmaverick
Moderator Posts: 1256
From: Auburn, AL.
Registered: Jan 2000
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posted 12-06-2001 11:53 AM
They are good carbs, but for racing it will not be close to a DP as far as performance. It probably won't net an improvement over you carter (unless you really needed the extra CFM).
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clevelandstyle
Gearhead Posts: 178
From: Connersville, IN
Registered: Jul 2001
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posted 12-06-2001 12:23 PM
Opinion: I'd pick a Holley over a Carter any day.
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cpmaverick
Moderator Posts: 1256
From: Auburn, AL.
Registered: Jan 2000
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posted 12-06-2001 01:08 PM
It's hardly a normal Holley, If I am correctly identifying it it resembles an Autolite/Motorcraft carb right?
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65_302
Journeyman Posts: 45
From: Bixby, OK
Registered: Jul 2001
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posted 12-06-2001 01:08 PM
We swapped a 600 Edlebrock for a 650 Holley dp on my sons 302 crate motor and picked up one whole second on his et (15.1 to 14.1). It was really easy to set up by following the Holley manual. We just recently got the electric choke working and it is real nice to start now (they come with manual choke, we bought the elec kit). The performance is exciting. No hesitation off idle. The street mileage isn't bad either, if you keep the secondaries closed. We have become instant Holley fans. Go for the 650 dp.
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Moneymaker
Administrator Posts: 11493
From: Lyons, IL, USA
Registered: May 99
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posted 12-06-2001 04:10 PM
The same guy who designed the Autolite 4100 series, also designed the Holley 4010. They were built as double pumper and vaccum secondary units. I like them a lot and think that you couldn't get a better S&S carb. It is unfortunate that they never really caught on and were discontinued. It is a far better unit then any Jimmy Carter carb ever built.  ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00 & '01
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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cpmaverick
Moderator Posts: 1256
From: Auburn, AL.
Registered: Jan 2000
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posted 12-06-2001 04:13 PM
Wow, I didn't realize they had double pumper versions of that carb. They look very easy to work on, like the Autolites.
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Kyle
Journeyman Posts: 64
From: Sumner, WA USA
Registered: Dec 2001
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posted 12-06-2001 04:30 PM
They do look easier to work on. How good would these carbs be for drag racing, though? I don't know what kind of stuff you can get for these. I don't think you need jet extensions, since the jets look to be in the bottom of the float bowl, and there are no metering blocks to mess with. I did read that they do come stock with annular boosters. Do these facts make it easier to work with, or make it that much tougher to get good drag racing performance out of them?------------------
Kyle Laramore 63 Fairlane
66 Mustang coupe
73 Mach 1
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Moneymaker
Administrator Posts: 11493
From: Lyons, IL, USA
Registered: May 99
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posted 12-06-2001 04:42 PM
As I had stated earlier, they resemble the 4100 Autolite for a reason. They are indeed very esy to work on. They were designed as a low cost performance alterative to the 4150 and 4160 series. They never caught on much because you do not have the versatility of changine metering blocks and other common Holley modifications. Also they didn't look as "cool" as the regular dual feed 4150. (not my oppinion) They work great on mild to medium applications. I wish that I had a few hundred of them laying around. ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00 & '01
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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