Actually, Bud, where it came from is from personal experience of plugging 3
different B-series heads with exactly 7/16 - 20 X 1/2 hex-head plugs.
Before my post I double checked my memory by going out to the garage and
looking at the bag from Fastenal that contains the remainder of the ones I
bought.
Now, I cannot report from personal experience on the A-Series, but the
B-Series is most definitely 7/16-20.
If you still think I'm wrong, try a B-Series and report back.
LAD
----- Original Message -----
From: "Bud Osbourne" <abcoz@hky.com>
To: "'Larry Daniels'" <ladaniels@sbcglobal.net>; "'Hal Faulkner'"
<hal@katemuir.com>; "'Deikis, John G'" <John.Deikis@va.gov>; "'Spridget
List'" <spridgets@autox.team.net>
Sent: Thursday, August 21, 2008 8:39 PM
Subject: RE: [Spridgets] Air pump ports
Nope. The B series head uses the same size as the A series.
Dunno where the idea of 7/16 x 20 came from. 7/16" is a pretty damn big
hole, actually. FAR too large for an air injection nozzle on a
small-bore engine like an A or B series.
Bud Osbourne
-----Original Message-----
From: spridgets-bounces+abcoz=hky.com@autox.team.net
[mailto:spridgets-bounces+abcoz=hky.com@autox.team.net] On Behalf Of
Larry Daniels
Sent: Thursday, August 21, 2008 6:42 PM
To: Hal Faulkner; Deikis, John G; Spridget List
Subject: Re: [Spridgets] Air pump ports
Yeah, the 7/16 - 20 X 1/2 is for the B-series head.
LAD
----- Original Message -----
From: "Hal Faulkner" <hal@katemuir.com>
To: "Deikis, John G" <John.Deikis@va.gov>; "Spridget List"
<spridgets@autox.team.net>
Sent: Thursday, August 21, 2008 1:06 PM
Subject: Re: [Spridgets] Air pump ports
The ports on my head are 1/8 x 27 NPT. Allen head plugs are available
at
your friendly local ACE hardware.
Hal
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