In a message dated 2/7/2007 4:02:26 PM Central Standard Time,
one_second_zero@yahoo.com writes:
> For those of you that have TR6's with the air injection rail on the exhaust
> manifold, how did you "restore" that portion of the exhaust system? If I
> use the OEM 1976 exhaust manifold, It has the air injection ports tapped into
> each exhaust runner on the manifold with a threaded pipe fitting which then
> feeds a common pipe or rail. All of this air injection system attached to
>the
> exhaust manifold is discolored and rusty looking from 30+ years of high heat
> conditions. Would you ceramic coat all of it? Or just media blast them the
> air injection components? Obviously, removing the air injection system and
> plugging the tapped holes in the manifold is one solution, but at this
> point, I prefer to keep it OEM. If I were not going OEM, I would ditch the
>OEM
> manifold for a header.
>
That stuff was originally zinc plated. You can buy the zinc plating kit from
Eastwood and plate them yourself (after sand blasting) or find a local jobber
to do it for you. A fellow member of the local club said you can get that
plumbing in stainless which would be really nice but not OEM.
Dave
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