- Holley 1920 Floats
- Holley 1920 Troubleshooting
- 1920 Choke
- Holley 1920 Idle System
- Holley 1920 Power Enrichment
- 1920 Accelerator Pump Circuit
- Holley 1920 Exploded View
Holley 1920 Carburetor Catalog
There are several carburetor kits for the Holley 1920. Please be sure to match up your carburetor number with the numbers listed with each kit. Here is where the carburetor number can be found. The complete carburetor number may not be on the carburetor. Example R-4161A. R simply means carburetor, 4161 is the list number and for out purposes is what matter most. A simply means it is an assembly. 1A would mean a modification was made. In general look for the list number. This will usually be 4 numbers.
Holley 1920 Identification
The Holley part number is stamped on the fuel bowl. The complete number like R-3271-A may not actually be on the carburetor. More than likely you will see something like 3271 A. R indicates it is a carburetor part and the A indicates a revision. For our purposes the important number is the 3271, or the LIST number.
The Holley 1920 carburetor generally used the Nitrophyl type of float and should be replaced anytime you do a carburetor rebuild. The Nitrophyly float tends to absorb fuel over time and can cause the carburetor to flood over. Unfortunately these floats are no longer being produced.
Watch a video about troubleshooting the Holley 1920 problems.
Fuel pump pressure: 5 lbs
There are several carburetor kits for the Holley 1920. Please be sure to match up your carburetor number with the numbers listed with each kit. Here is where the carburetor number can be found. The complete carburetor number may not be on the carburetor. Example R-4161A. R simply means carburetor, 4161 is the list number and for out purposes is what matter most. A simply means it is an assembly. 1A would mean a modification was made. In general look for the list number. This will usually be 4 numbers.
Holley 1920 Identification
The Holley 1920 carburetor generally used the Nitrophyl type of float and should be replaced anytime you do a carburetor rebuild. The Nitrophyly float tends to absorb fuel over time and can cause the carburetor to flood over. Unfortunately these floats are no longer being produced.
Watch a video about troubleshooting the Holley 1920 problems.
Fuel pump pressure: 5 lbs