John:
On the later ('75-'80) engines, you can plug the holes with 7/16" SAE (fine
thread) bolts. I got some Allen-head grub screws for the job from Flying
Circus (www.flyingcircuscars.com, fcecltd@aol.com or 919-596-4250 ) in NC,
but a regular bolt (3/4" long or so) should do it. The grub screws look
nicer, but if you plan to replace the air injector it might not be worth it.
--Steve
At 08:49 AM 12/10/98 -0800, you wrote:
>Dear LBC experts,
>
>The air injection tube on my '70B cracked and I have to remove it to get
>it repaired (Since my car is now smog exempt, I wonder why I bother,
>but....) At any rate, I have to plug the holes in my exhaust manifold with
>something- some sort of brass plug fitting I suppose. Does anyone know
>what the appropriate size brass plugs and thread for this application
>might be? I'd really appreciate any help you all might provide.
>
>Thanks.
>
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