[Biturbos4] S4 Dowpipes Install

[Mark R]

Never- they're sealed.  I've never had one fail.

Mark Rosenkrantz

On Sat, Mar 28, 2009 at 3:05 PM, <quickaudi at gmail.com> wrote:

> How often do you have to clean and/or rebuild the Bailey valves?
>
> That was the reason I stayed with the 710N valves - maintenence free.
>
> Joel
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