RE: IML: 1968 Check Gauges light/Oil Pressure

[RandalPark@xxxxxxx]

Most shops have them. They usually install it where the oil pressure sending unit goes.

Paul

In an email dated Tue, 11 1 2005 1:04:35 am GMT, louis colon <luis10241@xxxxxxxxx> writes:

>Where can I get a mechanical gauge and where is it installed.
> 
>Thanks Luis
> 
>68 Convertable
>
>dardal@xxxxxxxxxxxxxxx wrote:
>There is another possiblility for low oil pressure at idle. I used to have a
>similar problem in the LeBaron (also 68).
>
>At a hot idle, the oil gage used to creap low, slowly but stadily, until it
>disappeared. (the check gages light was irrelevant, because its on all the
>time due to an inoperable gas gage). It used to make me worry, but I never
>listened to the lifters, which indicated that there was at least some pressure.
>Then, one day, the presure went low at all times. I was in the middle of a
>drive to pick up Mike P. from the airport, so since I did not hear any signs of
>low oil pressure, I kept on (in fact that day we pushed that car to over 130 mph
>with "zero" oil pressure). Then, I replaced the sender, and I also installed a
>T junction for a mechanical gage. It turns out, even at the hottest idle, the
>oil pressure never gets below 40 psi. What seemed to be hapening was the gage
>was "half working" was that the low voltage at idle was insuffucient to sustain
>the dying sending unit.
>
>Before you spend too much more sweat over this, install a mechanical gage so you
>know what your real oil pressure is.
>
>D^2, 2s68 
>
>Quoting Dick Benjamin :
>
>> Paul has already listed the main causes. Any of these causes is expensive
>> to repair. 
>> 
>> 
>> 
>> There are other possibilities, such as the wrong oil being used (you should
>> be using at least either straight SAE30W or 15W40, depending on where you
>> live, low oil quantity, or a worn oil pump. 
>> 
>> 
>> 
>> I ask you again, what does the gauge read when this is going on?
>> 
>> 
>> 
>> Dick Benjamin
>> 
>> 
>
>
>
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