VDO has two that are a bit more than 2" (dont remember
precisely) with a black background (white background
is nice but doesn't fit the 505):
150 061 (30 vacuum to 15 psi boost)
and
150 121 (30 vacuum to 25 psi boost)
Obviously the first one is sufficient. They also sell
kits for these: 150 851 to go from the 1/8 - 27 NPT
(whatever that is) to a 6' nylon hose. Jim, did you
use that on your car?
Ciao,
Francois Dion (francois@hyperreal.org)
-- Member: FLU #1722, PCNA http://www.fortunecity.com/silverstone/zagato/101/launch.html Alfa Romeo, Fiat, Lancia, Peugeot, Volvo, Solex