Page 344 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

4150 Double Pumper Competition Series Carburetors
Carburetors Dual feed, 4150 and 4160 series four
Ideal for the “weekend warrior”, carbs barrel carburetors are wet-fl ow tested
include center hung fl oat bowls, dual fuel inlets, and tailored for racing with competi-
mechanical secondaries with dual accelerator tion fuel curves, center hung fl oats, four
pumps, four-corner idle, dual metering blocks, manual choke, and corner idle and deleted chokes.
power valve blow-out protection. Part No. Description
HLY0-9379 750 CFM 4150 Series Carburetor
Dichromate Finish Shiny Finish
Description Part No. Part No. HLY0-9381 830 CFM 4150 Series Carburetor
850 CFM 4150 Series Carburetor
HLY0-9380
600 CFM Carburetor HLY0-4776C HLY0-4776S
650 CFM Carburetor HLY0-4777C HLY0-4777S
700 CFM Carburetor HLY0-4778C HLY0-4778S 4150 HP Carburetors
750 CFM Carburetor HLY0-4779C HLY0-4779S Carbs offer the hard core drag racer
800 CFM Carburetor HLY0-4780C HLY0-4780S all of the benefi ts of a modifi ed carbure-
850 CFM Carburetor HLY0-4781C HLY0-4781S tor at a fraction of the cost. Venturi sections
have been modifi ed, the through-hole ma-
4150 Ultra Double Pumper Carburetors chined, and air horn/choke have been eliminated for greater air
Ideal for lightweight street and strip vehicles fl ow. All carbs have four-corner idle, high fl ow power valves and
with manual transmissions or automatic trans- accelerator pumps, and 4500 Dominator-style fuel bowls. Avail-
missions with high stall torque converters able for gasoline or methanol.
and low fi nal drive gearing. Carbs have Primary Secondary
mechanical secondaries, dual fuel inlets, Part No. Description Secondaries Acc. Pump Acc. Pump Boosters
electric chokes, glass fuel level sight win- HLY0-80540-1 600 CFM Gas Mechanical 30cc 30cc Straight-Leg
dows and ports for vacuum, PCV and ignition HLY0-80541-1 650 CFM Gas Mechanical 30cc 30cc Straight-Leg
Vacuum
30cc
Down Leg
N/A
HLY0-80529-1 750 CFM Gas
(timed). Available with black, blue, hard core gray or red HLY0-80528-1 750 CFM Gas Mechanical 30cc 30cc Down Leg
anodized metering blocks and base plates. HLY0-80535-1 750 CFM Meth. Mechanical 50cc 50cc Down Leg
Black Blue Hard Core Gray Red HLY0-80496-1 950 CFM Gas Mechanical 30cc 30cc Down Leg
Description Part No. Part No. Part No. Part No. HLY0-80498-1 950 CFM Meth. Mechanical 50cc 50cc Down Leg
650 CFM HLY0-76650BK HLY0-76650BL HLY0-76650HB HLY0-76650RD HLY0-80513-1 1000 CFM Gas Mechanical 30cc 50cc Down Leg
Carburetor HLY0-80514-1 1000 CFM Gas Mechanical 30cc 50cc Annular
750 CFM
Carburetor HLY0-76750BK HLY0-76750BL HLY0-76750HB HLY0-76750RD 4150 Ultra XP Carburetors
All-aluminum, Ultra XP carburetors
4150 Street HP Carburetors offer 30 new upgrades over traditional
Tumble polished carbs have contoured venturi, 2-corner idle 4150 HP carburetors including rede-
and are calibrated for outstanding throttle response. The choice of signed fuel bowls with 30% increase in
double pumper or quick change vacuum second- capacity, billet base plates and metering
ary models adds versatility. blocks, a race-only throttle lever, choice
Part No. Description of progressive or 1:1 linkage, and dual
HLY0-82651 650 CFM Double Pumper bolt pattern mounting holes. Main bodies have integrated idle
HLY0-82750 750 CFM Vacuum Secondary bypass valves and the air bleeds have been moved outward for
HLY0-82751 750 CFM Double Pumper a smoother transition of air fl ow. Mechanical secondary carbu-
HLY0-82851 850 CFM Double Pumper
HLY0-82951 950 CFM Double Pumper retors, which are calibrated for gasoline, are available in shiny,
tumble-polished fi nish with black or red metering blocks and
Aluminum 4150 Street HP Carburetors base plates, or anodized Hard Core Gray with black metering
Weighing up to 40% less than traditional blocks and base plates all require dual feed fuel lines with 9.75"
4150 Street HP carbs, Aluminum Street center distance.
4150 HP Carburetors share many features Black Red Hard Core Gray
with the race 4150 HP models, but are Description Part No. Part No. Part No.
engineered for street or light competition. 600 CFM HLY0-80801BKX HLY0-80801RDX HLY0-80801HBX
HLY0-80802BKX
HLY0-80802RDX
HLY0-80802HBX
650 CFM
Tumble polished, shiny fi nish carbs utilize 750 CFM HLY0-80803BKX HLY0-80803RDX HLY0-80803HBX
screw-in air bleeds and street HP base 850 CFM HLY0-80804BKX HLY0-80804RDX HLY0-80804HBX
plate with vacuum ports for power brakes, 950 CFM HLY0-80805BKX HLY0-80805RDX HLY0-80805HBX
PCV, etc. Optimized calibration helps provide
outstanding throttle response, superior driveability and maximum 4150 Ultra XP Carburetors Calibrated For E85
performance, resulting in the ultimate street/strip carburetor. Of- Identical to the above Ultra XP 4150 carburetors, but specially
fered with mechanical or vacuum secondaries, carbs additionally calibrated for use with E85 fuels. Fully redesigned, all-aluminum
include four-corner idle and dual feed fuel inlets. four-barrel carburetors feature a Hard Core Gray fi nish with black
Part No. Description metering blocks and base plates. All
HLY0-82651SA 650 CFM, Mechanical Secondary require dual feed fuel lines with 9.75"
HLY0-82750SA 750 CFM, Vacuum Secondary center distance.
HLY0-82751SA 750 CFM, Mechanical Secondary
HLY0-82851SA 850 CFM, Mechanical Secondary Part No. Description
HLY0-82951SA 950 CFM, Mechanical Secondary HLY0-80841HBX 600 CFM
HLY0-80842HBX 650 CFM
HLY0-80843HBX 750 CFM
HLY0-80844HBX 850 CFM
HLY0-80845HBX 950 CFM
342