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THROTTLE BRACKETS: Due to the design of Performer manifolds, the throttle and kickdown bracket on some vehicles may require
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modification to fit. When using Edelbrock carburetors, use #1495 or #1848 throttle plate kit. Manifolds #3766, #7166, and #7566 are
supplied with two throttle bracket spacers which may be required on some installations to align the throttle bracket with the OEM carburetor
linkage.
GASKETS: Do not use competition-style intake gaskets for this street manifold. Due to material deterioration over time, internal leakage of
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vacuum, oil, and coolant may occur.
INTAKE MANIFOLD
2166, 3766, 7166, 7566
NOTE: To ensure maximum performance and a proper seal, Edelbrock gaskets which are
specifically designed and manufactured for use with Edelbrock parts must be used.
PREP AND TUNING FOR POWER:
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NOTE: Local emission laws must be checked for legality of any carburetor or ignition changes.
Performer Series Intake Manifolds
1.
The long equal length runners in the Performer manifold create a very strong signal to the carburetor. In some applications, the stock
rods or jets may need changing for best overall performance. Refer to your carburetor owner's manual for details.
2)
Performer manifolds deliver excellent drivability and power utilizing stock distributor settings. Some applications may benefit from
resetting the initial advance ±2° from the factory specification.
3)
Aftermarket ignitions and more aggressive advance curves may be used with Performer packages.
4)
Installation of aftermarket headers or camshafts may lean the carburetor calibration. Should this occur recalibrate with a richer jet.
Performer RPM Series Intake Manifolds
1.
Due to design, the fuel / air mixture and cylinder charging are very efficient with Performer RPM or RPM Air-Gap manifolds. Generally
speaking, the stock jetting for a Performer Series or Thunder Series carburetor will not need changing. Specific applications may show
an increase in power by tuning the fuel mixture.
2.
Aftermarket distributor curve kits may be used with Performer RPM series manifolds.
3.
Use modified or high performance cylinder heads such as our Performer RPM, and port-match the manifold to the heads.
4.
The compression ratio should be at least 9.5 to 1 to work properly with Performer RPM camshafts.
5.
Installation of aftermarket headers, camshafts or both with an Edelbrock Performer RPM series manifold may lean carburetor calibration.
Should this condition occur, recalibrate with a richer jet.
CAMSHAFT AND HEADERS: The Performer Series manifolds are compatible with aftermarket camshafts and headers designed to work
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in the idle-5500 rpm range. Edelbrock has developed a dyno-matched, street proven camshaft (#2167 for 429/460 c.i.d. engines) for use
with Performer Series intake manifolds. Header primary tube diameter should be 1-3/4". Performer RPM Series manifolds are compatible
with aftermarket camshafts and headers designed to work in the 1500-6500 rpm range. Edelbrock has developed a dyno-matched, street
proven camshaft (#7167 for 429/460 c.i.d. engines) for use with Performer RPM series manifolds (see catalog for details). Header primary
tube diameter should be 1-7/8"-2".
1)
Use only recommended intake gaskets set when installing this intake manifold. For ease of installation, we recommend Edelbrock Intake
Manifold Bolt & Washer Kit #8569.
2)
Fully clean the cylinder head intake flanges and the engine block end seal surfaces.
3)
Apply Edelbrock Gasgacinch sealant P/N 9300 to both cylinder head flanges and to the cylinder head side of the gaskets, allow to air dry, and
attach the intake gaskets.
4)
Do not use cork or rubber end seals. Use RTV silicone sealer instead. Apply a ¼" high bead across each block end seal surface, overlapping
the intake gasket at the four corners. This method will eliminate end seal slippage.
5)
Install the intake manifold and hold-down bolts. Torque all of the manifold bolts in two steps by the sequence shown in Figure 1 to 25 ft/lbs.
Catalog #2166, 3766, 7166, 7566
Rev. 9/3/15 - QT
REFERENCE
RECOMMENDED GASKET
Edelbrock #7223 Port: 1.98" x 2.26", .060" Thickness
INSTALLATION INSTRUCTIONS
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©2015 Edelbrock LLC
Brochure #63-0296
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