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
-----Original Message-----
From: spridgets-bounces+hal=katemuir.com@autox.team.net
[mailto:spridgets-bounces+hal=katemuir.com@autox.team.net]On Behalf Of
Deikis, John G
Sent: Thursday, August 21, 2008 6:35 AM
To: Spridget List
Subject: [Spridgets] Air pump ports
I want to put allen head plugs into the abandoned emissions air pump
ports in a de-smogged 1275 head.
I seem to remember they are threaded 7/16-20 UNF but am not sure.
Can someone verify for me what will thread in there, or will I need to
drill and tap to another size.
The last time I did this, the head I was working on was not in the car
and I neatly closed up the ports with nifty Allen set screws or pipe
plugs that fit flush and don't look "cobbled."
Suggestions?
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