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Holley Street 🚗 Avenger 570 CFM 4150 Review

5

·

Very good

Revainrating 4.5 out of 5  
Rating 
4.4
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Details

BrandHolley
Vehicle Service TypeCar
ExteriorMachined
Flange TypeBolt On
Specific Uses For ProductPerformance,Power

Description of Holley Street 🚗 Avenger 570 CFM 4150

Optimized street calibration that works-out-of-the-box. Factory preset electric choke for easy startups (Range identified and restricted for easy no trouble adjustment). Built in No Trouble fuel inlet filter. Street Avenger fuel metering system provides precise fuel control for great low end torque and awesome acceleration. Gen IV No Trouble power valve. Fit type: Vehicle Specific.

Reviews

Global ratings 5
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Type of review

Revainrating 5 out of 5

Good carbohydrate for road use.

Easy bolt-on installation, easy air-fuel mixture adjustment with bolts, and no other hassles. Fuel economy is better than my old Holley 715 cfm.

Pros
  • Automotive
Cons
  • Communication with Seller

Revainrating 4 out of 5

Holley 570 CFM Carburetor

Bought for a 1973 Chevy Impala, had a few installation problems but that was due to user error, not a problem with the carburetor. If your car has a traditional air intake, you will need to upgrade to an open air intake system that has slots for the carburetor floats. Other than that, this thing performs like a champ and actually gives me better performance than the old 760 CFM I had previously. I highly recommend it.

Pros
  • Replacement Parts
Cons
  • Safety

Revainrating 4 out of 5

Good carbohydrate for road use.

Easy bolt-on installation with little air/fuel mixture screw adjustment and no other hassles. Fuel economy is better than my old Holley 715 cfm.

Pros
  • Automotive
Cons
  • Security

Revainrating 5 out of 5

Holley 570 CFM Carburetor

Bought for a 1973 Chevy Impala, had a few installation problems but that was due to user error, not a carburetor problem. If your car has a traditional air intake, you will need to upgrade to an open air intake system that has slots for the carburetor floats. Other than that, this thing performs like a champ and actually gives me better performance than the old 760 CFM I had previously. I highly recommend it.

Pros
  • Fuel System
Cons
  • Compatibility

Revainrating 4 out of 5

Great replacement carburetor, Holley Street Avenger 570

This was for my 1966 Mustang convertible. I've owned this car since 1983 (first car in high school) and when I bought it it already had an aftermarket Holley 1850 carburetor and I decided to cut my losses and buy a new one. I've heard good things about the Holley Street Avenger from friends, especially the smaller Fords. I was very happy with it but I would caution anyone not to pay too much attention to the instructions for setting the idle mixture as every engine can be different and I think…

Pros
  • Carburetor and parts
Cons
  • too boring