KIT #8148700
4870
HEARTTHROB
EXHAUST SYSTEMS
ARE MANUFACTURED BY CREMCO--LITCHFIELD, MN
This kit
fits ‘73-’77
Chevelle/Malibu/El Camino, ‘73-’77 Oldsmobile Cutlass, ’73 Le
Mans/Tempest,
‘73-’77 Grand Prix, ‘73-’77 Monte Carlo, ‘73-’77 Buick Century/Regal,
all with
V8, standard headers, and with 3” collectors at the headers.
NOTE: THE HEADERS
ARE NOT INCLUDED IN THIS KIT!!
NOTE: THE CATALYTIC
CONVERTERS ARE NOT SUPPLIED WITH THIS EXHAUST SYSTEM.
THIS SYSTEM IS NOT LEGAL FOR ON-ROAD USE ON
VEHICLES THAT ORIGINALLY WERE EQUIPPED WITH A CATALYTIC CONVERTER.
DANGER
WARNING:
SHOULD THE
PURCHASER DECIDE TO INSTALL THIS EXHAUST PRODUCT AT HOME, BE WARNED
THAT
PLEASURE CAR OR LIGHT DUTY TRUCK/VAN “BUMPER” JACKS ARE INTENDED FOR
EMERGENCY
USE ONLY. THE USE OF FRAME CONTACT JACK
STANDS IN CONJUNCTION WITH A FLOOR JACK AS MAIN SUPPORT IS HIGHLY
RECOMMENDED
TO MINIMIZE ACCIDENTAL DROPPING OF A VEHICLE WHILE THE INSTALLATION
PROCEEDS.
HARDWARE
KIT:
2) LB9 HANGERS
1) LEFT COLLECTOR PIPE
2) SNAPPER GROMMETS
1)
RIGHT COLLECTOR PIPE
4) 5/16” X 1” LAG SCREWS
2)
LEFT & RIGHT FRONT EXTENSION PIPES
8) 2-1/4” CLAMPS
1) LEFT TAIL PIPE
2) F33 FLANGES
1) RIGHT TAIL PIPE
6) 3/8” NUTS
6) 3/8” LOCKWASHERS
6) 3/8” X 1-1/4” BOLTS
2) UHG300 GASKETS--(EG94 OR EG24094)
2) BR1 HANGERS--(BR755)
2) THU400 HANGERS--(BR104)
2) 5/16” X 1” BOLTS
2) 5/16” NUTS
2) FENDER WASHERS
KIT # 8148700
4870
INSTALLATION
INSTRUCTIONS:
NOTE: DO NOT TIGHTEN ANY CLAMPS OR NUTS UNTIL THE
LAST STEP!!
NOTE: Mufflers are not supplied with this
performance exhaust system. This kit has
been designed for use with turbo mufflers, or equivalent 2-1/4” i.d.
inlet and
outlet, single offset OEM type muffler.
1) RAISE
THE AUTOMOBILE IN A
SAFE AND SUITABLE MANNER--SUPPORT WITH JACK STANDS ONTO THE FRAME.
2) REMOVE THE OLD EXHAUST SYSTEM AFTER THE
HEADERS. REMOVE THE OLD HANGERS AND
BRACKETS IF DESIRED. NEW UNIVERSAL
HANGERS ARE INCLUDED IN THIS KIT TO REPLACE THE ORIGINAL HANGERS.
3) INSTALL THE LEFT AND RIGHT COLLECTOR PIPES
USING THE UHG300 GASKETS AND F33 FLANGES.
TIGHTEN ONLY ENOUGH TO HOLD IN PLACE, USING THE 3/8” X 1-1/4”
BOLTS AND
NUTS. NOTE: FOR
VEHICLES REQUIRING CATALYTIC CONVERTERS
TO MEET EPA GUIDELINES, CATALYTIC CONVERTER #73-7774 OR EQUIVALENT
SHOULD BE
INSTALLED ON THE HEADER COLLECTOR PIPES AFTER THE HEADER COLLECTORS ON
THE
COLLECTOR PIPES.
4) INSTALL THE LEFT AND RIGHT FRONT EXTENSION
PIPES TO THE COLLECTOR PIPES USING 2-1/4” CLAMPS. BE
SURE TO LEAVE ADEQUATE CLEARANCE BETWEEN
THE FLOOR BOARDS AND THE DRIVE SHAFT.
5) INSTALL THE MUFFLERS (SINGLE OFFSET
TURBO-TYPE RECOMMENDED--NOT INCLUDED IN THIS KIT) ONTO THE FRONT
EXTENSION
PIPES USING 2-1/4” CLAMPS. ROTATE THE
FRONT EXTENSION PIPES TO CLEAR THE DRIVESHAFT, AND FRAME, AND GENERAL
CLEARANCE.
6) MOUNT THE HANGER BRACKETS IF NECESSARY TO THE
FRAME USING THE LB9 STRAP WITH THE GROMMETS AND LAG SCREW BEHIND THE
MUFFLERS,
AND THE BR1 BRACKET, LAG SCREW, AND
THU400 RUBBER HANGER AT THE END OF THE TAIL PIPES.
CONNECT THE HANGERS TO THE PIPES USING THE
2-1/4” CLAMPS.
7) INSTALL THE LEFT AND RIGHT TAIL PIPES TO THE
MUFFLERS USING 2-1/4” CLAMPS. USE A
2-1/4” CLAMP TO CONNECT THE PIPES AND A HANGER AT THE REAR. CUT THE TAIL PIPES TO YOUR DESIRED LENGTH AND
LOOK.
8) MAKE SURE THAT ALL THE PARTS OF THE SYSTEM
ARE CLEAR OF FRAME MEMBERS, ALL HOSES, SUSPENSION, AND BRAKE AND FUEL
LINES. STARTING AT THE COLLECTOR PIPES,
TIGHTEN ALL CONNECTIONS AND NUTS. MAKE
SURE ALL PARTS ARE CLEAR AND WILL NOT LEAK OR RATTLE.
AFTER SEVERAL DAYS OF DRIVING RETIGHTEN ALL
BOLTS.
LIMITATION
OF
LIABILITY-DISCLAIMERS: THE REGULATION OF EMISSIONS PRODUCTION, NOISE
LEVELS AND SAFETY STANDARDS IS UNDERTAKEN BY THE FEDERAL GOVERNMENT,
EACH OF
THE FIFTY STATE LEGISLATURES, AND BY MANY LOCAL MUNICIPALITIES, TOWNS
AND
COUNTIES.
THE MANUFACTURER MAKES NO WARRANTIES OF
MERCHANTABILITY, OF FITNESS FOR A PARTICULAR PURPOSE, OR THAT ITS
PRODUCTS ARE
APPROVED FOR GENERAL USE, OR THAT ITS PRODUCTS COMPLY WITH LAWS,
REGULATIONS OR
ORDINANCES IN THE STATES WHERE THEY MAY BE SOLD TO THE ULTIMATE
PURCHASER, THE
CONSUMER.
THE ENTIRE RISK AS TO THE CONFORMITY OF THIS PRODUCT
IN ANY SUCH STATE AND AS TO REPAIR, SHOULD THE PRODUCT PROVE TO BE
DEFECTIVE OR
NON-CONFORMING, IS ON THE RETAIL PURCHASER, THE BUYER, THE ULTIMATE
CONSUMER,
OF SUCH PRODUCT AND IT IS NOT UPON THE SELLER, DISTRIBUTOR, OR
MANUFACTURER.
IN THIS CONNECTION, THE RETAIL PURCHASER, THE BUYER,
THE ULTIMATE CONSUMER ASSUMES THE BURDEN OF THE ENTIRE COST OF ANY AND
ALL
NECESSARY SERVICE, ALTERATIONS AND OR REPAIR.
THE FOREGOING STATEMENT LIMITS THE LIABILITY OF THE
MANUFACTURER.
CALIFORNIA VEHICLE CODE SECTION 27156 PROHIBITS THE
ADVERTISING, OFFERING FOR SALE, OR INSTALLATION OF ANY DEVICE WHICH
MODIFIES A
VEHICLE’S EMISSION CONTROL SYSTEM. THIS
PRODUCT IS THEREFORE NOT LEGAL FOR