Edelbrock 6510 User manual

©2000 Edelbrock Corporation
Rev. 4/27/00 Catalog #6510
Page 1of 2
EDELBROCK HEADER - CATALOG #6510
for 1996-1999 Pick-Up, 5.0L, 5.7L V8 CPI without A.I.R. &
1996-1999 Suburban, Blazer, Tahoe, Jimmy, Yukon, 5.0L,
5.7L CPI without A.I.R.
INSTALLATION INSTRUCTIONS
PLEASE study these instructions carefully before installing your Headers. If you have any questions or problems, please
call our Technical Hotline at: 1-800-416-8628 from 7:00 am - 5:00 pm, Monday-Friday, Pacific Standard Time or e-
mail us at [email protected]. Please fill out and mail your warranty card.
HEADERS: These components are designed to improve the exhaust efficiency of the GM C.P.I. (Central Port Injection) V8
engine. ThissystemdoesnotrequireweldingforinstallationandretainsallO.E.M.emissionsequipment. TheseEdelbrock
headers are street legal in all 50 states.
SUGGESTED TOOLS FOR INSTALLATION: This vehicle has metric fasteners.
❑3/8" ratchet socket set with extensions and universal 13mm and 15mm swivel sockets
❑Combination set of open-end wrenches
❑Jackstands, screwdrivers, pliers, crescent wrench, etc.
❑Liquid penetrant, (GM #1052627) anti-seize compound (GM #5613695)
SPECIAL NOTICE: This Edelbrock part has received an Executive Order (E.O. #) from the California Air Resources Board
(C.A.R.B.)makingitlegalforstreet use on pollution-controlled motor vehicles in all 50 states. To assistyouwithemissions
equipment certification, we have included a silver fan shroud decal to help testing personnel verify that this part is a legal
replacement part on the vehicle for which it is cataloged. The adhesive-backed decal should be affixed to your fan shroud
next to the existing emission and engine specification decal. Do not cover your original equipment specification decal with
the Edelbrock fan shroud decal.
WARNING: The use of "Thermal Wrap" or any aftermarket coating process will void the warranty on your
headers. Those products can cause excessive heat and moisture buildup resulting in corrosion and early
failure of the system.
NOTE: High temperature spark plug wires and boots are recommended to withstand heat from Headers.
DISASSEMBLY
1. Disconnect negative battery cable.
2. Raise vehicle and disconnect 02 sensors.
3. Unbolt stock exhaust pipes from manifolds.
Right Side
1. Remove air intake assembly.
2. Disconnect spark plug wires from spark plugs.
3. Unbolt dip stick tube.
4. Unbolt and remove manifold.
5. Install flange gasket and header from top. Install
header bolts, lock washers, and thick flat washers
supplied, ensure proper alignment and tighten
bolts.
NOTE: Thick washers are to be used on slotted
holes of port flange.
6. Re-install spark plug wires.
7. Re-fasten dip stick tube using spacer and bolt
supplied in kit (if needed).
8. Re-install air intake assembly.
9. With wire ties, route any hoses, wires or lines away
from headers as necessary.

©2000 Edelbrock Corporation
Rev. 4/27/00 Catalog #6510
Page 2of 2
Left Side
1. Disconnect spark plug wires from spark plugs.
2. Disconnect E.G.R. tube from rear of manifold.
(Stock E.G.R. adapter fitting will be re-used.)
3. Disconnect temperature sensor wire.
4. Unbolt and remove manifold from top side.
5. Install flange gasket and one 3/8"-16 x 1" bolt,
lock washer, and flat washer at rearmost bolt
hole (leave bolt loose enough to accept Header).
6. Install left side Header from top side.
7. Install all bolts and washers on left side (do not
tighten at this time).
NOTE: Thick washers are to be used on slotted
holes of port flange.
8. Re-install E.G.R. tube to header using stock
adapter.
9. Align all parts and tighten left side flange bolts at
this time.
10. Re-install spark plug wires.
11. Re-install temperature sensor wire to
temperature sensor.
ASSEMBLY OF EXHAUST PIPE
1. Usingsuppliedhardware and new donut gaskets
on both sides, re-attach the factory extension
pipes to the headers, and tighten bolts evenly to
ensure a tight seal.
2. Re-connect O2 sensors. Route O2 sensor wire
from loom to O2 sensors away from exhaust
components.
FINAL INSPECTION
1. Check all lines (hydraulic, vacuum, air
conditioning and fuel) to ensure there is
adequate clearance to headers.
2. Re-connect battery.
3. At this point, it is a good idea to look everything
over and make sure that nothing was missed in
assembly.
4. Start vehicle and bring up to normal operating
temperature. Check for possible leaks.
5. Turn engine off and let cool. Tighten all bolts
again.
HARDWARE SUPPLIED
Qty. Description Qty. Description
❑1#25-9157 Header left side ❑63/8” Flat washers
❑1#25-9158 Header right side ❑11/4 Hex capscrew
❑12 Hex header bolts ❑4Hardened washers (for header flange slotted holes)
❑2Port gaskets ❑63/8” Hex nuts
❑2Donut gaskets ❑13/8” O.D. spacer
❑63/8” Hex capscrews ❑3Wire ties
❑18 3/8” Lock washers
Edelbrock Corporation
2700 California St.
Torrance, CA 90503
Tech Line: [phone]
Office: [phone]
E-Mail: [email protected]