On Mon, 20 Jan 1997, Barry H. Adams wrote:
> Next month I want to begin to restore the interior on my 74 Spitfire. While
> I have the dash out I'm contemplating installing a Smith's mechanical oil
> pressure gauge in the area between the fuel and temp. gauges. Of course
> this will necessitate moving the headlight switch (probably to the upper
> left corner of the dash). The reason I'm considering a mechanical gauge is
> because its face is very similar to the stock fuel and temp. gauges and it
> comes with a chrome bezel. Secondly, I hope to be able to keep the oil
> warning light functional.
Barry, IMS, your 1974 would have had the gauges very similar to the same
year TR6. Maybe you can locate a TR6 oil pressure gauge and have virtually
an exact match.
> My question is this. Can I keep the oil warning light functional by coming
> off the engine with a some sort of conductive tee? One side of the tee
> (with appropriate nipple) for the sending unit, the other side of the tee
> for the oil line to the gauge.
Yes, definitely. SMITHS used to sell exactly such a T fitting for that
purpose. Don't know if one is still available from them or CAI or whoever
handles Smiths now, but it shouldn't be hard to source one locally. I
think most of these fittings are NPT-standard. Also, it's good to keep
the oil warning light functional as it ties in with the brake warning
light circuit.
--Andy
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