Buy Holley 0-90670 Model 4150 Truck Avenger 670 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke CarburetorHolley 0-90670 Model 4150 Truck Avenger 670 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke Carburetor Product Description:
- 1-piece off-road vent tube eliminates fuel spillover during extreme maneuvers
- Dual feed fuel inlet with adjustable vacuum secondary for fuel economy and acceleration
- Dichromate finish with 4 vacuum ports
- Built-in fuel inlet filter and transfer tube seal
- Limited lifetime warranty
Product Description
This carburetor features maximum low-end torque and horsepower output, exceptional fuel control over rough terrain, steep angle idle, and clear sight plugs for setting the initial fuel level. The fuel metering block eliminates fuel spillover through the boosters at extreme angles to allow for 40-degree climbing, 30-degree side hill maneuvers, and nose down descents without stalling or flooding. The electric choke ensures great cold starting and is designed to prevent accidental over-adjustment while square fuel bowls with side hung floats provide precise fuel control. It also includes 4 vacuum ports with PCV, spark, power brake, and vacuum accessories for easy installation and great off-road performance.
Customer Reviews
Most helpful customer reviews
1 of 1 people found the following review helpful.
Holley Truck Avenger 670
By Chad Thompson
I purchased this carb for my 79 Bronco (351M) that I use for offroad use. This carb is the next best thing to propane or fuel injection. I have had this truck in some hairy situations and I have had no stumbles out of this carb. This is a great carb and I dont even like carbs!
1 of 1 people found the following review helpful.
Holley Truck Avenger
By L. Rich
Do not expect to the Holley Truck Avenger to be a "bolt on and go" carb. It has a serious flat spot just off of idle. Seems to be a very common problem with this carb, especially on vehicles with a cam or engine that is not stock. However, If you are able to "tune" the carb so that the off idle flat spot goes away it will be the greatest off road carb you could ever find.
0 of 0 people found the following review helpful.Great Carb
By Ghost Rider
This carb worked as advertised straight out of the box. It bolted in place and every thing fit perfectly. The only adjustment that was needed was to go down one step with the jets because of the altitude where I live (above 2000 ft.). I used to experience a drop in engine rpm's just going over a speed bumper. Now I can 4 by it over the roughest terrain without the engine even a skipping a beat. The carb is pricey but worth the peace of mind knowing that the engine is not going to stall simply because the terrain is a little uneven.
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