| [GMCnet] Re: MacNeal dash issues [message #369076 is a reply to message #369075] |
Sat, 12 March 2022 16:42   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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Your going to have issues with any instruments unless you spend high
dollars.
Mac is caught in a place of offering a product that is affordable to most.
We sell his dashes and seen the work for 20-30 years.
Jim Bounds uses Mac's dashes .
On Sat, Mar 12, 2022 at 1:34 PM RJW wrote:
> The first upgrade I made to my GMC back in September 1998 was to install a
> MacNeal dash from his company:
> http://custominstrumentpanels.com/gmc.htm
>
> I have no real complaints but I've had some issues with the dash over the
> years. The dash is about 20 years out of warranty.
>
> I replaced the speedometer in 2013 because the odometer stopped working.
> Several of the gauges, including volts, oil pressure, suspension air tank
> pressure all read a bit off actual values, but I've learned to live with
> that over the past 20+ years.
>
> However, the fuel pump switch apparently stopped working which is bad with
> EFI. As part of my initial startup I used to switch the pump off, crank
> the engine until I saw oil pressure, then turn the pump on to start. I
> did that to lubricate the engine, as part of my pre-start routine. Otherwise
> the engine starts immediately with EFI and I've heard much of engine wear
> occurs during initial startup before oil is being pumped through out the
> motor. Q-jet carbs do that automatically. Now I can't do that.
>
> Now my gas gauge stopped working properly, as it reads full on both
> thanks. I know that means an open circuit in the wiring. Since the
> symptom is
> the same on both tanks, I’m thinking there is a problem with the actual
> gas gage or the fuel tank selector switch in my MacNeal dash.
>
> I wonder if others with MacNeal dashes have had similar problems with
> gauges and switches.
>
>
>
> --
> Richard
> 76 Palm Beach
> SE Michigan
> www.PalmBeachGMC.com
>
>
> Roller Cam 455, TBI+EBL, 3.42 FD, 4 Bag, Macerator, Lenzi (brakes, vacuum
> system, front end stuff), Manny Tranny, vacuum step, Tankless + OEM water
> heaters.
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--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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