Tom -
You're the man.
I think that will do it for me. I'll poke around and find that fitting (JIC
#3). The block is not a problem, the dart engine block uses at -10 AN in the
block, and I have made an adapter out of an AN plug with 1/8" pipe for the
fitting. I have both --3 and -4 fittings and line, likely better with the -3
but I hate working with the teflon braid and fittings, the -4 is easier but in
thinking about it your right about using -3.
Thanks a bunch for the insight!
Sandy
----- Original Message ----
From: Tom Hall <modtiger@comcast.net>
To: Sandy Ganz <sganz@pacbell.net>
Sent: Wednesday, March 5, 2008 4:35:13 PM
Subject: Re: [Tigers] Oil Pressure Gauge Fitting
At 08:51 AM 3/5/2008, you wrote:
I sent out some gauges to be restored and was looking at the Oil Pressure gauge
fitting and seemed like an odd compression fitting with a flat sealing surface
not a 1/8" pipe or which seems typicaly on other gauges. I want to run a
regular -4 AN fitting and lines from the engine, but not sure of the adapter to
use. Doesn't look like familliar, but might be some standard british thing.
This is on the Jaeger gauge.
So anyone know of the fitting I'll be needing?
The threads on the back of the OEM gage will be 27 thds/inch same as 1/8" pipe,
except that the threads are straight and not tapered. A 1/8 female thread will
seal on these threads if you use a Loctite thread sealant. The fitting you are
seeking is a #3 JIC to 1/8 female pipe. I think you'll find that the #4 is a
lot larger than necessary. These should be available in either brass or steel
at a good fitting house. At the block, your looking at 1/4" taper pipe so a #3
JIC to 1/4 male will do the job. You might want to use a 45 or 90 at the block
to angle the line (Teflon/stainless braid) in a better position. If you need
numbers for these fitting, let me know.
Tom Hall
ModTiger Engineering LLC
www.tigerengineering.net
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