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Dan -

You're correct that firesleeve is required...for all
firewall-forward hoses,  not for the flexible hydraulic hoses in the gear
wells and under the seats in the cabin. For all firewall-forward
applications (fuel lines, oil lines to the oil cooler, VMS oil and fuel
pressure transducers), I used Aeroquip "666" hoses with firesleeve added by
the shop that made them up. I had those made up by a California aviation
hose shop, similar to Sacramento Sky Ranch. The "666" Aeroquips are Teflon
hoses with stainless braid, similar to the Imperial Eastman that I used for
the hydraulics.
  The Imperial Eastman hose is relatively inexpensive; however, the
reason for the expense of the hydraulic installation is that the fittings
are about $ 25. each and there are a LOT of fittings in the flexible portion
of the hydraulic system. I may have overpaid and they could be obtained for
less, but then the local shop will likely charge more to crimp them and you
end up paying the same.

 Bill Rumburg
 N403WR  (Sonic bOOm)

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