Edelbrock 3530 - Manual (Page 4)

4
Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation
Rev. 2/05
Brochure #63-0273
Catalog #3530 & #3531
MANIFOLD & CARBURETOR HEIGHT VS. PRO-FLO HEIGHT
1. Remove air cleaner.
2. Lay a straightedge (such as a yardstick) across the top of the
carburetor from front to back.
3. Measure from block and manifold end seal surfaces to straightedge.
4. Record these measurements (height A and height B).
5. Add height A and height B and divide by two to get the average height.
6. The Pro-Flo manifold (#3530 & 3531) measures: A = 5.40” by
B = 6.65”. The air valve measures 2.25”.
9. Compare the two measurements. If the Pro-Flo unit is taller, subtract
this amount from the hood clearance figure to determine new hood
clearance.
CAUTION: You must maintain at least 1/2-inch clearance between the
hood and air cleaner because of engine torque. If you have
insufficient clearance, a low profile air cleaner may solve the problem.
FUEL REQUIREMENTS
Because the Pro-Flo system uses an Oxygen sensor, you must use unleaded fuel only. Leaded fuels will damage the O
2
sensor. If
you do use leaded fuel in your vehicle, do not install the O
2
sensor and do not operate the vehicle in the closed loop fuel mode.
EMISSION CONTROLS
The Edelbrock Pro-Flo system will not accept stock emissions control systems. Check local laws for requirements before installing
the Pro-Flo system. Not legal on pollution-controlled motor vehicles.
DETERMINING HOOD CLEARANCE
NOTE: Check hood clearance before removing stock manifold.
1. Use modeling clay or putty to make five small cones, two or three inches high.
2. Position cones on air cleaner at front, rear, each side, and on center stud.
3. Close hood to locked position and re-open.
4. The height of the cones indicate the amount of clearance between the hood and the air cleaner. Record these
measurements.
CLAY CONE
2-3"
AIR CLEANER
A
B
C
E
D
FO
RW
ARD
HOOD CLEARANCE
A
B
C
E
D
FO
R
W
ARD
HEIGHT B
HEIGHT A
FOR
W
ARD