Hi Chris, I'm pretty sure the threads you mentioned are not the same. If I'm
remembering correctly, the 3/8" fine is a straight thread and the 1/8" pipe is
a tapered thread. While the thread pitch seems pretty similar, the pipe thread
seals because of the taper and the straight thread seals with a flare or a soft
washer depending on its use. Anyway, that's what I remember.
Jack
-----Original Message-----
From Chris King [mailto:cbking at alum.rpi.edu]
Sent: Thursday, April 03, 2003 12:50 PM
To: spridgets@autox.team.net; James Dowling
Subject: Re: Oil pressure gauge help
The oil pressure gauge can screw into the spot under the dizzy where the oil
pressure sender now is. It's a 3/8 fine thread, which is also a 1/8" pipe
thread.
I'm going to use a separate oil pressure gage from a '79 MGB. If you want to
keep the idiot light (as I am), you can get a T and some other bits from Pep
boys, Home Depot, etc. and plug the pressure sender in one end and the gage
tube in the other. Pep Boys sells a Sun-pro gage hook-up kit that has
everything you need to plumb the gage. It's about $6 or so for the kit.
Someone else may have to help with the temp gage info. I think you need a
specer for the themostat housing to use the old mechanical temp gage.
-=Chris
'79 Midget
Chris King - cbking@alum.rpi.edu
http://mywebpages.comcast.net/kvcbk/
---------- Original Message ----------------------------------
From "James Dowling" <jimdinalameda at hotmail.com>
Date: Thu, 03 Apr 2003 10:12:48 -0800
>Can anyone tell me how I would install an oil pressure gauge on a 1500
>engine. I am thinking of getting a combo oil pressure/water temp gauge to
>replace the original water temp. Also, can I just change the water temp
>sending unit form electrical to manual?
>TIA,
>Jim
>79 Midget
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