Description
1. PLATFORM: |
67-76 A-BODY, 62-79 B-BODY, 70-74 E-BODY, 76-80 F-BODY and 77-88 M-BODY |
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2. A/LA ENGINES: |
STANDARD-PORT: 273, 318, 340, 360, 402 crate, 408 MAGNUM CRATE, 440 SUPER COMMANDO CRATE EARLY FACTORY SMALL-PORT: 273*, 318* (Modification required for proper seal) • Early factory small-port head: Port diameter 1.09w x 1.55h • Standard-port head: Port diameter 1.30w x 1.80h *Special-Order: Additional material will be added to the flange ports for headers to seal properly. Special-Order lead-time, 6-8 weeks (modification and coating process) |
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3. CYLINDER HEADS: |
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4. SPARK PLUGS: |
STRAIGHT or ANGLED |
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5. FRONT SUSPENSION: | OEM or EQUIVALENT with torsion bars
COILOVER without torsion bars: The following coilover systems have been fit-checked with these headers and found there to be no clearance issues… RMS Alterktion, Magnumforce Tubular, Magnumforce Modular Transformer, Control Freak • Steering Linkage: OEM with torsion bars or Rack & Pinion without torsion bars. • 67-76 A-bodies Only / Steering: This header will not clear a Quick/Fast Ratio Pitman & Idler arm that is longer than the OEM arms. Example; The Fast Ratio Pitman & Idler arms by Firm Feel, Inc. are 3/4″ longer then stock. DIY clearance can be achieved by dimpling the header tube(s), however, doing this modification will void your header and coating warranty. (This note pertains to 67-76 A-bodies only. Headers will fit B & E body applications with Quick/Fast Ratio arms.) • Headers will not clear UniSteer Performance Rack and Pinion. |
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6. ENGINE MOUNTS: |
OEM • Headers fit with Schumacher Creative Services engine mounts or equivalent. |
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7. AUTO TRANS: |
YES • Floor Shift: Some applications may require the adjustable swivel & the lower rod to be re-positioned to clear the header collector. See illustration sheet #3703 |
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8. STANDARD TRANS: |
YES • Flywheel: Applications with an 11″ flywheel, 143-tooth ring gear must use a RobbMc Performance starter #3005. • Clutch Linkage: OEM (!) 67-76 A-body applications may require a modified Z-bar. [Modified Z-bar sold separately #ZB340] • Keisler Tremec TKO-500/600 Transmission: Correct installation is imperative. The output-end of the tail shaft must be in exactly the same position as the stock transmission output shaft for the headers to fit properly. |
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9. FLOOR SHIFT: |
YES • Auto Trans: Some applications may require the adjustable swivel & the lower rod to be re-positioned to clear the header collector. See illustration sheet #3703 |
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10. COLUMN SHIFT: |
YES • 71-74 B-body & 70-74 E-body applications may require a modified Torque Shaft Assembly. Torque Shaft Assembly sold separately #B7174TSA] |
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11. PUSH BUTTON: |
YES |
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12. STEERING: |
YES, POWER-STEERING or MANUAL STEERING • 67-76 A-bodies Only / Steering: This header will not clear a Quick/Fast Ratio Pitman & Idler arm that is longer than the OEM arms. Example; The Fast Ratio Pitman & Idler arms by Firm Feel, Inc. are 3/4″ longer then stock. DIY clearance can be achieved by dimpling the header tube(s), however, doing this modification will void your header and coating warranty. (This note pertains to 67-76 A-bodies only. Headers will fit B & E body applications with Quick/Fast Ratio arms.) |
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13. STARTERS: | THE FOLLOWING STARTERS HAVE BEEN FIT-CHECKED WITH THESE HEADERS AND FOUND THERE TO BE NO CLEARANCE ISSUES…
AUTO TRANS / STANDARD TRANS with a 10.5″ flywheel (130-tooth ring gear)… • OEM or Mini starters • Chrysler part no’s: R53005984, 56027702AC • Mopar Performance part no’s: P5249644AB, P5007860, P4286522 • PowerMaster Performance starter no’s: 9513, 9523 STANDARD TRANS with an 11″ flywheel (143-tooth ring gear)… • RobbMc Performance starter: 3005 Note: Mini starters can easily be changed without removing the header. |
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14. BELL HOUSING: |
ALL |
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15. OIL FILTERS: |
SHORT SCREW-ON STYLE OR A 90º ADAPTER CAN BE USED |
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16. OIL PANS: |
OEM, MILODON or EQUIVALENT • Milodon part no’s: 30935, 30936, 30940, 30941 • Pro Touring pan part no’s: 31590 & 31595 |
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17. VALVE COVERS: |
OEM, CAST ALUMINUM, STAMPED STEEL |
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