Home » Public Forums » GMCnet » Exhaust bang bang bang (going down steep grades)
[GMCnet] Re: Exhaust bang bang bang [message #366836 is a reply to message #366832] |
Fri, 17 September 2021 05:02 |
Ken Henderson
Messages: 8726 Registered: March 2004 Location: Americus, GA
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There should be 3 leads on your tachometer: +12VDC, Ground, and Signal.
Signal goes to that Tach connector on the distributor cap.
Ken H.
On Thu, Sep 16, 2021 at 10:11 PM wrote:
> Ken Henderson wrote on Thu, 16 September 2021 13:01
>> If you'll look carefully at the extension on the side of the HEI
>> distributor cap, where the wire's connected, you'll see that there's a
>> second connection tab there, labelled on the side of the cap as "Tach".
>> Guess what...
>>
>> Ken H.
>
> Good one Ken, I got the message no problem. The cap was pretty dusty and
> after I cleaned it off I could see the words.
> I'd like to ask more about how to actually connect here and if I decide to
> install a tach in the dash, is this where I would tap into?
>
> Anyway, before getting the answer about the tach take-off on the
> distributor cap, I'd borrowed a digital tach and stuck a reflector on the
> harmonic
> balancer.
> After she warmed up, my idle averaged about 720-740 in park so we tried
> bringing it down with the throttle screw adjuster ..... without success.
> The screw backed off but the throttle cable/linkage didn't follow so I
> pushed the throttle closed and got her down to 640-660. Exercising the
> linkage
> back and forth the stop was more and more prone to sit at the screw
> setting and finally gave the whole linkage/shaft/cable etc a good drink of
> silicone lubricant which seemed to do the trick.
>
> Putting her in drive, she idles at the high 500's with no sign of
> stalling or choking so maybe that's ok? Haven't been down any steep grades
> since,
> but I'll report back after I do the next run.
>
> Larry
>
> --
> Larry - Victoria BC -
>
> 1977 Palm Beach 40,000 miles, PO said everything working but forgot the
> word NOT. New Atwood fridge, water heater & furnace. New SS exhaust system,
> 6000w Onan, Iota Converter, R134A A/C, New fuel lines & heat exchange hoses
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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Exhaust bang bang bang
By: boybach on Tue, 14 September 2021 11:18
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Re: Exhaust bang bang bang
By: JohnL455 on Tue, 14 September 2021 15:27
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[GMCnet] Re: Exhaust bang bang bang
By: Keith V on Tue, 14 September 2021 16:38
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Re: [GMCnet] Re: Exhaust bang bang bang
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[GMCnet] Re: Exhaust bang bang bang
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Tue, 14 September 2021 21:17
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Tue, 14 September 2021 19:11
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Re: Exhaust bang bang bang
By: boybach on Tue, 14 September 2021 19:18
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Re: Exhaust bang bang bang
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[GMCnet] Re: Exhaust bang bang bang
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Re: Exhaust bang bang bang
By: JohnL455 on Wed, 15 September 2021 08:18
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Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 11:20
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[GMCnet] Re: Exhaust bang bang bang
By: sgltrac on Wed, 15 September 2021 11:32
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 12:35
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Re: [GMCnet] Re: Exhaust bang bang bang
By: mghamms on Wed, 15 September 2021 15:17
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Re: [GMCnet] Re: Exhaust bang bang bang
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 21:29
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[GMCnet] Re: Exhaust bang bang bang
By: sgltrac on Wed, 15 September 2021 16:08
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 17:07
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[GMCnet] Re: Exhaust bang bang bang
By: Rob on Wed, 15 September 2021 17:13
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 21:32
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[GMCnet] Re: Exhaust bang bang bang
By: Rob on Wed, 15 September 2021 21:38
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Re: Exhaust bang bang bang
By: JohnL455 on Wed, 15 September 2021 15:56
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Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 17:03
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Re: Exhaust bang bang bang
By: boybach on Wed, 15 September 2021 17:17
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Re: Exhaust bang bang bang
By: boybach on Thu, 16 September 2021 14:54
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[GMCnet] Re: Exhaust bang bang bang
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[GMCnet] Re: Exhaust bang bang bang
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[GMCnet] Re: Exhaust bang bang bang
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Thu, 16 September 2021 21:11
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[GMCnet] Re: Exhaust bang bang bang
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Fri, 17 September 2021 09:28
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[GMCnet] Re: Exhaust bang bang bang
By: jimk on Fri, 17 September 2021 09:47
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Fri, 17 September 2021 10:40
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[GMCnet] Re: Exhaust bang bang bang
By: Rob on Fri, 17 September 2021 11:22
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Re: [GMCnet] Re: Exhaust bang bang bang
By: boybach on Fri, 17 September 2021 11:39
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