Big Block Chevrolet Installation Manual For Systems with A/C #14220 / #14120 Billet Specialties, Inc. 500 Shawmut Ave.
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING ANY COMPONENTS OF THE TRU TRAC SERPENTINE SYSTEM Required Tools & Materials Anti-seize Compound 9/16” Combo Wrench 3/16” Allen Loc-Tite® Thread Locker 11/16” Combo Wrench 5/16” Allen RTV Silicone 3/4” Combo Wrench 1/4” Allen Gasket Scraper Scotch-Brite® Pad Socket Wrench & Extension 3/8” Allen 10mm 12pt. socket 4mm Allen 3/8-16 Thread Chaser* & Holder 12mm 12pt. socket 5mm Allen 7/16-14 Thread Chaser* 3/8” 12pt.
Skin Board #3 - Packaged In Main Box x6 8mm-1.25 x 25mm 12pt. Cap Screw Bridge Bracket x1 8mm-1.25 x 40mm Flat Socket Cap Screw - Bridge Bracket x1 8mm-1.25 x 25mm Flat Socket Cap Screw - Bridge Bracket 3/8-16 x 3/4" 12pt. Cap Screw Tensioner Pulley Compressor Shoulder Bolt x1 Compressor Bolt Washer x3 x3 x1 x1 x1 3/8-16 x 1" Socket Head Cap Screw Crank Pulley 8mm-1.25 x 25mm Socket Set Cup Point Tensioner Assembly 3/8" Belleville Washer x1 x1 10mm-1.25 x 80mm 12pt.
A B C B Figure 1: Installing Mounting Studs A Figure 2: Install O-Rings & Compressor Bracket Apply RTV silicone to one end of the four 3/8-16 x 3" threaded studs. A] The a/c compressor and alternator mounting brackets incorporate o-rings on both sides for sealing. A] Use the two included 3/8-16 nuts (zinc plated) tightened against each other to act as a drive nut to ease installation (see illustration below). B] Seat studs firmly into block.
B A A Figure 3: Install Alternator Bracket B Figure 4: Install Water Pump & Spacer Nuts A] Install alternator bracket o-rings on both sides Apply anti-seize to all exposed threads on the block mounting studs. B] Slide the alternator bracket onto the water pump studs on driver side of block and seat against the block. A] Slide the water pump over the four mounting studs. B] Install the four spacer nuts that hold the water pump in place. •The short spacer nut attaches to the passenger side lower stud.
B A B C A Figure 5: Install Power Steering Bracket Figure 6: Install the Tensioner Without Power Steering: Apply anti-seize to the two 7/16-14 x 1-1/2” socket head cap screws and install them through the lower end of the alternator bracket into the block. A] Apply anti-seize to the 8mm-1.25 x 25mm socket set stud and thread into the remaining long spacer nut with boss, tighten with 4mm Allen key (stud installs in spacer nut opposite of boss).
B Figure 7: Install Power Steering Pump with Pulley Apply anti-seize to the threads of the two 5/16-24 x 3” socket head cap screws; place pump to bracket and align. Install lock washers to screws and thread through the power steering pump into the bracket and tighten firmly. A Figure 8: Install SD-7 Compressor A] Apply anti-seize to and install the compressor shoulder bolt and washer through the lower back ear of the compressor and thread into the compressor bracket.
A B B Figure 9: Attaching Bridge Bracket A Figure 10: Attaching Alternator A] Install the bridge bracket to the three water pump spacer nuts, the top front, and bottom front compressor ear by applying anti-seize to and using five 8mm-1.25 x 25mm 12 pt. cap screws. A] Place the alternator behind the bridge bracket apply anti-seize to threads and install the 10mm-1.5 x 80mm 12 pt. cap screw in the lower alternator mounting hole. B] The bridge bracket also attaches to the tensioner using a 8mm-1.
Figure 12: Install Crankshaft Pulley Install the crankshaft pulley to the harmonic balancer by applying Loc-Tite to three 3/8-16 x 1” socket head cap screws with three 3/8” Belleville washers (cup towards engine). Torque to 35 ft. lbs. Figure 11: Install Water Pump Pulley onto Pump Apply anti-seize to four 5/16-24 x 1/2” socket head cap screws and install the water pump pulley onto the water pump. Tighten firmly.
B C A D Figure 14: Install Serpentine Belt & Tensioner Pulley A] Route belt as shown minus tensioner pulley. B] Place a 5/8” box end wrench on tensioner, align belt onto grove of tensioner pulley. C] Pull up on wrench until tensioner pulley hole lines up with boss on tensioner, slide pulley onto boss and slowly lower wrench to apply tension to serpentine belt. D] Apply anti-seize to the threads of the 3/8-16 x 3/4” ARP 12pt.
#14220 / #14120 Billet Specialties, Inc. 500 Shawmut Ave. La Grange, IL 60526 Tech Line 708/588-0505 Fax 708/588-7181 billetspecialties.com Rev.
