Page 27 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Cooling

Curved Blade Electric Fans Aluminum SB Chevy
Electric fans require very little amperage “Corvette Style” Water Pumps
and are suitable for use in race car or This aluminum version of “Corvette style”
tow vehicle. Fans are set up as “puller” water pump was originally used on 1971-82
units, mounted behind the radiator. By small block Chevrolet Corvettes but is now
flipping blades, reversing wires, and used throughout the motorsports industry. ALL31105
mounting in front of radiator, fans will Pump is built using all-new components and
operate in “pusher” configuration. Each an aluminum body for added weight savings
unit includes a mounting kit. over original cast iron pumps. Pump features
Part No. Description a 3/4" main shaft, bearings with a 3/4"
ALL30070 10", 775 CFM pilot, and a billet steel hub with a set screw
ALL30072 12", 925 CFM retainer for use on higher RPM applica-
ALL30085 Replacement Mounting Kit
ALL30074 14", 1530 CFM tions. Block mount to fan hub dimension is ALL31106
ALL30076 16", 1980 CFM 5-13/16".
Part No. Description
Economy 16" Curved Blade Electric Fan ALL31105 Water Pump
ALL30077 ALL31106 Water Pump With 3/8"NPT Bypass Ports And Cam Stop Hardware
Note: Water pumps may need to be clearanced for use with 8" dampers.
An economical option to Allstar’s standard
S-blade fan, this 10-blade electric Water Pump Spacer Kits
fan has many of the same features.
Universal design fan may be set up Kits provide additional clearance needed
as a puller or pusher style to mount for belt or gear drive timing systems.
in front or behind the radiator. Mount- Gaskets are included. ALL31072
ing brackets and a hardware kit are Part No. Description
included. Fan flows 2024 CFM with 21.0 ALL31070 1/8"
ALL31071
1/4"
amp draw and housing dimensions of: 16" x ALL31072 3/8"
16-1/4" x 4". ALL31073 1/2"
ALL87230 Replacement Gaskets
Pulley Shim Kits
Aluminum SB Chevy “Short Style” Water Pump Use shim kits to properly align pulleys. Water pump
ALL31100 shims have dual bolt hole pattern to fit most GM and ALL31064
Popular “short-style” water pump that was Ford water pumps. Crank pulley spacers are for
originally used on pre-1969 small block small block Chevys.
Chevrolets. Pumps are built using all new Part No. Description
components and an aluminum body for ALL31064 Water Pump, 1/16", 1/16", 1/8" (3 Shims) ALL31066
added weight savings over original cast ALL31066 Crankshaft, 1/16", 5/64", 1/8" (3 Shims)
iron pumps. Pump features a 3/4" main V-Belts
shaft bearings with a 5/8" pilot and a billet steel hub drilled for both
small and large fan bolt patterns, making this a good choice for street and Premium quality V-belts are perfect replacements for worn or cracked belts.
mild performance vehicles. Block mount to fan hub dimension is 5-5/8". Part No. Description
ALL86120
31.5"
This pump is not recommended for use with mechanical fans ALL86121 34"
over 5,000 RPM. Above this RPM, use the ALL31105 pump with a 3/4" ALL86122 39"
shaft/bearing. ALL86123 41"
ALL86124 42"
Note: Water pump may need to be clearanced for use with 8" dampers. ALL86125 44"

Photo by: Mike Kalling Terry McMillen Photo by: Mike Kalling Terry McMillen

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