Owner`s manual

Some parts are not legal for sale or use in California on any pollution controlled motor vehicle.
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• Model 4175 spread bore
• Q-Jet/Thermo-Quad replacement
• Universal calibration
• Vacuum secondaries
• Vacuum for: PCV, EGR, power brakes,
distributor, air cleaner & canister
• Electric choke
• Power valve blow-out protection
• 100% wet-flow tested & street
calibrated
MODEL 4175:
650 CFM UNIVERSAL
CARBURETOR
DESCRIPTION PART NO.
650 CFM, 4bbl. 0-80555C
STREET HP
CARBURETOR
DESCRIPTION PART NO.
650 CFM Mechanical Secondaries 0-82651
750 CFM Vacuum Secondaries 0-82750
750 CFM Mechanical Secondaries 0-82751
The Street HP uses the best fea-
tures from the race bred 4150 HP
carb, but tamed for street use.
The Street HP uses the con-
toured main body from the 4150
HP and adds a tumble polishing
for a shiny finish. The metering
system includes a timed spark
port and is calibrated for a hot
street/strip engine setup for out-
standing throttle response and drivability. A street HP base plate is used so
there is plenty of vacuum ports for power brakes, PCV, etc. Another main
feature is the vacuum secondary system. This system allows installation on a
wider variety of applications regardless if it’s a stick or automatic. Other features
include quick change vacuum secondaries calibrated for optimum street use,
built in secondary fuel filter system in primary and secondary fuel bowls,
adjustable air bleeds, two corner idle system, Ford kick-down and down-leg
boosters.
• Manual choke
• Dual feed/center hung float
bowls
• Vacuum secondaries
• Power valve blow-out protection
• All metal parts
• Non-emission
• New Bright Zinc Finish
MODEL 4160: 750 CFM
STREET PERFORMANCE
CARBURETOR
DESCRIPTION PART NO.
750 CFM, 4bbl. universal, classic finish 0-3310C
750 CFM, 4bbl. universal, shiny finish 0-3310S
750 CFM, 4bbl. universal with Ford A/T kickdown lever, shiny finish 0-80508S
Vacuum secondary or mechanical secondary carburetor?
How do I know if I need a mechanical or vacuum secondary carburetor?
As a rule of thumb, vacuum secondary carburetors work best on the
following:
- Relatively heavy vehicles
- Street gearing
- Automatic transmission
- Engines built more for low-end torque
Conversely, mechanical secondary carburetors seem to work best on:
- Relatively light vehicles
- Strip gearing (4.11 or numerically higher)
- Manual transmission
- Engines built more for top-end horsepower
Ideal for
Street
Application
DESCRIPTION PART NO.
350 CFM, 2bbl. with 30cc accelerator pump 0-7448
500 CFM, 2bbl. with 50cc accelerator pump, classic finish 0-4412C
500 CFM, 2bbl. with 50cc accelerator pump, shiny finish 0-4412S
• Manual choke
• Center hung float bowl
•Universal throttle lever
• Ford A/T kickdown
• Power valve blow-out
protection
• All metal parts
•Without automatic overdrive
transmission
• Non-emission
MODEL 2300:
350/500 CFM STREET
PERFORMANCE
CARBURETOR
Ideal for
Street
Application
Ideal for
Street
Application
Ideal for
Street
Application
CARBURETOR INSTALLATION
& TUNING DVD
Introducing the best thing to hap-
pen in Carburetor installation and
tuning since the invention of the
wrench. Everything you ever wanted
to know about Holley Carburetors is
included in this two hour DVD. It
includes 3D virtual tours, exploded
views of actual carburetors,
step–by–step under the hood instal-
lation, advanced tuning and trou-
bleshooting. Plus, being a DVD
means it is interactive so you can
easily find the chapters you need
without watching the full two hours.
Part No. 36-378
Holley Carburetors
Holley has an incomparable line of street, drag race and circle track carburetors. Ranging in
size from a 350 CFM two barrel up to a giant 1250 CFM 4500 DOMINATOR HP, the Holley
line of carburetors offers something to everyone. Holley carburetor’s flexibility in adaptation
and performance capabilities make them the first choice of racer’s and street enthusiasts
around the world.
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