Secondary Air Injection Manifold

Tiny
WHITESHIRTSAMMY
  • MEMBER
  • 1996 FORD F-150
  • 4.9L
  • 6 CYL
  • 4WD
  • MANUAL
  • 146,500 MILES
I am confused on how the air injection manifold connects to the nut. The nut is treaded and will connect to the cylinder head but the manifold will not tread into the nut. Am doing a rebuild of a 300i l6 4.9l engine. The cylinder head is new and also the Secondary Air Injection Pipe.
Friday, May 14th, 2021 AT 8:01 AM

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