Re: [OMC-Boats] Selecting the correct gauges

Thanks for all the info Ethan and Lee, sounds like a good winter
project when the weather finally turns.

J

On Aug 24, 2009, at 3:21 PM, Lee Shuster wrote:

> Jeff.
>
> This subject comes up often enough I need to write an "how-to"
> guide and post on the OMC website.
>
> 1) I like to start with the replacement of the Temp "SWITCH" type
> sensors. The Buick uses a different thread size on the temp switch
> than std Chevy engines. So during the off-season carefully remove
> the temp switch and get a temperature sender that is physically
> compatible. I can lookup the OMC part number tonight. I don't
> recommend trying to run both sensors, as you get into cumbersome
> plumbing using Tee's, but you wouldn't be the first to do it.
>
> 2) Next the same thing applies for the OIL pressure SWITCH
> replacement sender. Except the Gauge sender is physically must
> larger than the switch and her you will need to extend the plumbing
> with adapters.
>
> 3) Voltmeters are easy and can easily be used without giving up the
> ammeter. Best to run two large 12 ga wires (and install 2-amp
> inline fuse) all the way back to the battery, or just tuck the
> voltmeter away in the engine compartment.
>
> Lastly you must also match the sender type characteristics to the
> instrument (VDO (Euro) , Stewart-Warner (USA), etc). Which
> generally isn't too difficult if you can talk to the instrument
> manufacturer.
>
> See: http://www.westmarine.com/webapp/wcs/stores/servlet/producte/
> 10001/-1/10001/132470/377%20710/0/engine%20instruments/Primary%
> 20Search/mode%20matchallpartial/0/0?N=377%20710&Ne=0&Ntt=engine%
> 20instruments&Ntk=Primary%20Search&Ntx=mode%
> 20matchallpartial&Nao=0&Ns=0&keyword=engine%
> 20instruments&isLTokenURL=true&storeNum=6&subdeptNum=84&classNum=85
>
> Popular marine suppliers are Beede, Farina, Teleflex, as well as
> several others. Pick out a style that you'll like looking at and
> fits the helm space you have in mind.
>
> Before you install these in your boat you should at least calibrate
> the Voltmeter and Temp gauge against known good sources.
>
> Good luck
>
> lee
>
> From: omc-boats-bounces@... [mailto:omc-boats-
> bounces@...] On Behalf Of Jeff LaCoste
> Sent: Monday, August 24, 2009 2:40 PM
> To: Evinrude & Johnson Boats of the 1960's and 70's
> Subject: [OMC-Boats] Selecting the correct gauges
>
>
> I am thinking of adding an additional set of gauges to my factory
> setup.
>
> I have the standard Speedo/Tach/Fuel/Amp
>
> I want to add a new Water Temp/Oil/Volt meter
>
> Can I use any set of gauges out there?
>
> FYI - I have a 1964 OMC Johnson Deluxe 150hp v6 with an upgraded
> Pertronix Ignition system.
>
> Thanks,
> J
>
>
> Jeff LaCoste // 206-781-3477 // Heavy@...
>
>
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         Jeff LaCoste // 206-781-3477 // Heavy@...
Received on Monday, 24 August 2009