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Edelbrock Performer Series Carburetor Owner’s Manual 12/01
Step 1 Select the combination of Cruise Mode and Power Mode fuel-metering stages
desired for your calibration. Normal calibration changes will be within the gridded
diagonal area. That is, Cruise and Power mode changes should be in the same
direction (either richer or leaner) and usually by the same amount.
Step 2 Find the number that is nearest your desired combination. This is your Calibration
Reference Number.
Step 3 Go to the next page. Find the Calibration Reference Number you have just selected
in Step 2. Listed will be the Main Jet and Metering Rod required to achieve the
desired fuel metering for the Primaries.
1
2
25
Power Mode: Low Vacuum/High Power-Rod Up
3 stages
Lean (12%)
2 stages
Lean (8%)
1 stage
Lean (4%)
Base
Power
Mode
1 stage
Rich (4%)
2 stages
Rich (8%)
3 stages
Rich (12%)
3 stages
Rich (12%)
2 stages
Rich (8%)
1 stage
Rich (4%)
1 stage
Lean (4%)
2 stages
Lean (8%)
3 stages
Lean (12%)
Base
Power
Mode
Cruise Mode: High Vacuum/Low Power-Rod Down
Lean Cruise Mode Rich
Lean Power Mode Rich
3
4
5
6
7
8 9
10
12
13
14
15
16
11
17
18
19
20
21
22
23
24
26
27
1
#
#
Stock Calibration
Numbers in black are the steps obtainable using Calibration Kit #1486 plus
the stock jets and metering rods.
Numbers in white are the steps obtainable using jet and rod combinations
shown on the following page.
#1403/ #1404 Calibration Reference Chart / Primary Metering
1403-1413 Perf Series Carburetor Owner's Manual.qxd 3/31/2006 12:04 PM Page 18