This manual provides information on the installation, maintenance and service of the Paxton
supercharger kit designed for small block Ford carbureted engines. Contact Paxton Automotive Corporation for any additional information regarding this kit and any of these modifications at (805) 604-1336 7:00am-3:30pm PST.
An understanding of the information contained herein will help novices, as well as experienced technicians, to correctly install and receive the greatest possible benefit from their
Paxton supercharger. When reference is made in this manual to a brand name, number, specific tool or technique, an equivalent product may be used in place of the item mentioned. All
information, illustrations and specifications contained herein are based on the latest product
information available at the time of this publication. All rights reserved to make changes at
any time without notice.
*** NOTE ***
This supercharger kit is not compatible with air conditioning as the A/C pulley is not
present on the supplied crank pulley.
NOTES
• The crank pulley supplied with this kit is designed to
accomodate the stock 1965 Mustang water pump*,
alternator and power steering. Vehicles with different
accessories may need custom spacing or elimination
of some accessories.
o be replaced).
• Distributor clearance to the carburetor enclosure
is minimal. Distributors must have a small diameter cap in order to fit. Additionally, tall distributors
such as an MSD PN 8354 installed on a 351W
contact the front of the carburetor enclosure and
should be replaced with an MSD PN 8578 (or
equivalent).
This kit should only be installed by qualified mechanics. It is imperative that the correct
air/fuel mixture be maintained at all times. This Kit is to be supplied to competent
engine tuners for their completion by the addition of, and tuning of, an appropriate
carburetor unit.
This product is intended for use on healthy, well maintained engines. Installation on a
worn-out or damaged engine is not recommended and may result in failure of the engine.
Paxton Automotive is not responsible for engine damage. Installation on new
engines will not harm or adversely affect the break-in period so long as factory breakin procedures are followed.
For best performance and continued durability, please take note of the following key
points:
1. Use only premium grade fuel 91 octane or higher (R+M/2).
2. The engine must have stock or lower than stock compression ratio.
3. If the engine has been modified in any way, check with Paxton prior to using this product.
4. Always listen for any sign of detonation (pinging) and discontinue hard use (no boost) until
problem is resolved.
5. Perform an oil and filter change upon completion of this installation and prior to operating the
vehicle. Thereafter, always use a high grade SF rated engine oil or a high quality synthetic,
and change the oil and filter every 3000 miles.
6. Before beginning installation, replace all spark plugs with one to two step colder heat range
and reset timing to no more than 26° total or install a boost retard ignition. (Always follow the
procedures indicated in the factory repair manual.)
7A375-0753/8-16 x 3/4 GR5 HXHD ZINC1
7C010-05210-24 x 1/2 SS BHCS4
7C010-07710-24 x 3/4 SS BHCS5
7C010-1873/16 ROD END RH WITH NUT2
7C010-1883/16 ROD END LH WITH NUT2
7C011-07510-32 SCREW1
7F010-001NUT, THRO TTLE1
7F010-03310-32 NUT1
7J010-001#10 FLAT WASHER8
7J010-687WASHER, THROTTLE1
7J375-0443/8 SAE WASHER, PLTD2
8M010-010BRACKET, IDLE1
8M010-040THROTTLE ARM INNER2
8M010-050THROTTLE SHAFT1
8M010-070RETAINER, SPRING ENCL.1
8M010-080RETAINER, SPRING THROTTLE1
8M010-090SPRING, THR OTTLE ENCL.1
8M010-140SHAFT, 5/16 HEX1
8M010-600SHAFT, THROTTLE 64-66 MUSTANG1
7PS275-200SLEEVE, 2,75 x 2.0” BLACK1
7PS350-275REDUCER, BLK 3.5 - 2.751
7R002-016#16 GOLDSEAL, HOSE CLAMP2
7R002-044#44 SAE TYPE F SS HOSE CLAMP3
7R002-056#56 SAE TYPE F SS HOSE CLAMP1
7U030-0465/32” VACUUM LINE3’
7U034-0161” GS HOSE0.25
8D001-001STD COMP BYPASS VALVE1
8M003-011MACHINE, 3.5 FLANGE 90°1
8H040-0751" AIR FILTER1
4PFX101-001FUEL ASSEMBLY, SBF CARB1
7P125-0161/8 NPT PLUG1
7P250-0431/4 NPT x 5/16” BARB1
7P250-0471/4 NPT TO 3/8” BARB 90°1
7P250-141-6 HOSE END, 90°1
7P500-083AN -8 HOSE END, STRAIGHT1
7P500-084MALE TEE -8, -6, -61
7P500-085FITTING, -8 BULKHEAD WITH O-RING1
7P500-086120° -8 TO 1/2” BARB1
7P500-087PLUG, AN-8 O-RING PORT1
7P500-089FITTING, -8 BULKHEAD NUT, BLK1
7P500-377AN-8 MALE SHORT -6 MALE STD1
7R001-006#6 STNLS HOSE CLAMP4
7U030-0465/32” VACUUM LINE4.5
7U032-0163/8” EFI FUEL HOSE HI-PSR2.5
7U100-008O-RING, -83
8H040-020FUEL FILTER, INLINE 3/8”1
8F001-120FUEL PUMP, SBF CARB 120 GPH, 6 PSI1
4PFX020-010 INSTALLATION INSTRUCTIONS, SBF CARB1
8H040-350AIR FILTER, 3.5” FLG x 5.1L OFFSET1
008575S/C STRT INFO PKG ASSY PAXTON1
8M110-100HOLLEY 4150 FLOAT BOWL LINE ASSY1
8M110-120 DEMON FLOAT BOWL LINE ASSY W/FTGS1
ADDITIONAL PARTS NEEDED FOR COMPLETE INSTALLATION
1) HOLLEY 4150 OR DEMON STYLE MECHANICAL SECONDARY
7R002-016#16 GOLDSEAL, HOSE CLAMP2
7R002-044#44 SAE TYPE F SS HOSE CLAMP3
7R002-056#56 SAE TYPE F SS HOSE CLAMP1
7U030-0465/32" VACUUM LINE3'
7U034-0161" GS HOSE0.25
8D001-001STD COMP BYPASS VALVE1
8M003-011MACHINE, 3.5 FLANGE 90°1
8H040-0751" AIR FILTER1
008575S/C Strt Info Pkg Assy Paxton1
4PFX020-010Installation Instructions SBF Carb1
AIR DISCHARGE ASSY, DRIVER SBF CARB
1
4PFX101-001FUEL ASSEMBLY, SBF CARB1
7P125-0161/8 NPT PLUG1
7P250-0431/4 NPT x 5/16” BARB1
7P250-0471/4 NPT TO 3/8” BARB 90°1
7P250-141-6 HOSE END, 90°1
7P500-083AN -8 HOSE END, STRAIGHT1
7P500-084MALE TEE -8, -6, -61
7P500-085FITTING, -8 BULKHEAD WITH O-RING1
7P500-086120° -8 TO 1/2” BARB1
7P500-087PLUG, AN-8 O-RING PORT1
7P500-089FITTING, -8 BULKHEAD NUT, BLK1
7P500-377AN-8 MALE SHORT -6 MALE STD1
7R001-006#6 STNLS HOSE CLAMP4
7U030-0465/32” VACUUM LINE4.5
7U032-0163/8” EFI FUEL HOSE HI-PSR2.5
7U100-008O-RING, -83
8H040-020FUEL FILTER, INLINE 3/8”1
8F001-120FUEL PUMP, SBF CARB 120 GPH, 6 PSI1
ADDITIONAL PARTS NEEDED FOR COMPLETE INSTALLATION
1) HOLLEY 4150 OR DEMON STYLE MECHANICAL SECONDARY
CARBURETOR
2) FUEL LINE ASSEMBLY
HOLLEY: 8M110-100 (USES STANDARD INVERTED FLARE BOWL
INLET FITTINGS)
DEMON: 8M110-120 (SUPPLIED WITH AN -6 BOWL INLET FITTINGS)
4PFX012-031MACH, DISCH TUBE SBF CARB1
7PS350-200SLEEVE, BLACK 3.5 I.D. X 2.0 LG1
7PS350-275REDUCER, BLK 3.5 - 2.751
7R002-044#44 SAE TYPE F SS HOSE CLAMP1
7R002-056#56 SAE TYPE F SS HOSE CLAMP3
7U030-0465/32” VACUUM LINE2
8H040-175FILTER, 1-3/4" I.D. MFRB1
8D204-010RACE BYPASS VALVE - BLACK1
4PFX101-001FUEL ASSEMBLY, SBF CARB1
7P125-0161/8 NPT PLUG1
7P250-0431/4 NPT X 5/16” BARB1
7P250-0471/4 NPT TO 3/8” BARB 90°1
7P250-141-6 HOSE END, 90°1
7P500-083AN -8 HOSE END, STRAIGHT1
7P500-084MALE TEE -8, -6, -61
7P500-085FITTING, -8 BULKHEAD WITH O-RING1
7P500-086120° -8 TO 1/2” BARB1
7P500-087PLUG, AN-8 O-RING PORT1
7P500-089FITTING, -8 BULKHEAD NUT, BLK1
7P500-377AN-8 MALE SHORT -6 MALE STD1
7R001-006#6 STNLS HOSE CLAMP4
7U030-0465/32” VACUUM LINE4.5
7U032-0163/8” EFI FUEL HOSE HI-PSR2.5
7U100-008O-RING, -83
8H040-020FUEL FILTER, INLINE 3/8”1
8F001-120FUEL PUMP, SBF CARB 120 GPH, 6 PSI1
4PFX020-010INSTALLATION INSTRUCTIONS, SBF CARB1
8H040-035AIR FILTER, 3.5” FLG X 3.7L OFFSET1
008575S/C STRT INFO PKG ASSY PAXTON1
8M110-100HOLLEY 4150 FLOAT BOWL LINE ASSY1
8M110-120DEMON FLOAT BOWL LINE ASSY W/FTGS1
ADDITIONAL PARTS NEEDED FOR COMPLETE INSTALLATION
1) HOLLEY 4150 OR DEMON STYLE MECHANICAL SECONDARY
4PFX012-031MACH, DISCH TUBE SBF CARB1
7PS350-200SLEEVE, BLACK 3.5 I.D. X 2.0 LG1
7PS350-275REDUCER, BLK 3.5 - 2.751
7R002-044#44 SAE TYPE F SS HOSE CLAMP1
7R002-056#56 SAE TYPE F SS HOSE CLAMP3
7U030-0465/32” VACUUM LINE2
8H040-175FILTER, 1-3/4" I.D. MFRB1
8D204-010RACE BYPASS VALVE - BLACK1
4PFX101-001FUEL ASSEMBLY, SBF CARB1
7P125-0161/8 NPT PLUG1
7P250-0431/4 NPT X 5/16” BARB1
7P250-0471/4 NPT TO 3/8” BARB 90°1
7P250-141-6 HOSE END, 90°1
7P500-083AN -8 HOSE END, STRAIGHT1
7P500-084MALE TEE -8, -6, -61
7P500-085FITTING, -8 BULKHEAD WITH O-RING1
7P500-086120° -8 TO 1/2” BARB1
7P500-087PLUG, AN-8 O-RING PORT1
7P500-089FITTING, -8 BULKHEAD NUT, BLK1
7P500-377AN-8 MALE SHORT -6 MALE STD1
7R001-006#6 STNLS HOSE CLAMP4
7U030-0465/32” VACUUM LINE4.5
7U032-0163/8” EFI FUEL HOSE HI-PSR2.5
7U100-008O-RING, -83
8H040-020FUEL FILTER, INLINE 3/8”1
8F001-120FUEL PUMP, SBF CARB 120 GPH, 6 PSI1
4PFX020-010INSTALLATION INSTRUCTIONS, SBF CARB1
8H040-035AIR FILTER, 3.5” FLG X 3.7L OFFSET1
008575S/C STRT INFO PKG ASSY PAXTON1
8M110-100HOLLEY 4150 FLOAT BOWL LINE ASSY1
8M110-120DEMON FLOAT BOWL LINE ASSY W/FTGS1
ADDITIONAL PARTS NEEDED FOR COMPLETE INSTALLATION
1) HOLLEY 4150 OR DEMON STYLE MECHANICAL SECONDARY