A quick research revealed that people think the Lockheed boost ratio is
anywhere from 1.9 to 3.3.
This indicates that you must use the Lockheed part number to have a chance
of finding the correct ratio.
I have no idea how many different boosters they make nor have I found any
real data about their boost ratio.
Ron Fraser
-----Original Message-----
From: CoolVT@aol.com [mailto:CoolVT@aol.com]
Sent: Wednesday, June 08, 2011 1:11 PM
To: rfraser@bluefrog.com
Subject: Re: [Tigers] Lockheed servo
Ron,
Thanks. Someone had said that the Lockheed 5" does not put out the same
boost as the Girling 5". If that's true, maybe the 7" Lockheed is the way
to go.
Mark
In a message dated 6/8/2011 11:15:36 A.M. Eastern Daylight Time,
rfraser@bluefrog.com writes:
Here is a note that Bill Martin sent out a few years ago:
--- Brent
The 5 inch booster averages 1.5 times the pressure
input and the 7 inch averages 2 times. On my booster
tester with 500 psi on the input side and 10 in of
vacuum the output on a 5 inch booster is about 750
psi. The 7 inch booster with the same input and
vacuum
is about 1000 psi.
Hope this helps.
Bill Martin
Maybe Bill has some information about the Lockheed servo. I could not find
the Roots Group Depot web site; maybe it is down?
Ron Fraser
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of CoolVT@aol.com
Sent: Wednesday, June 08, 2011 10:02 AM
To: tigers@autox.team.net
Subject: [Tigers] Lockheed servo
I've looked around and can't find the specs on the 5" or 7" Lockheed
servo. I spoke with one supplier and he just said the Lockheed is the same
as
the Girling. In other words, he didn't know. Has anyone found a source
for
the info?
Mark
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