Home » Public Forums » GMCnet » [GMCnet] GMC Coach - New Braunfels, TX
Re: [GMCnet] GMC Coach - New Braunfels, TX [message #78069 is a reply to message #78066] |
Fri, 26 March 2010 08:06 |
emerystora
Messages: 4442 Registered: January 2004
Karma:
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Senior Member |
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On Mar 26, 2010, at 1:16 AM, Ken Burton wrote:
>
>
> roy1 wrote on Thu, 25 March 2010 21:13
>> Ken
>> my hearing isn't all that great so I have an MSD spark control on
>> my HEI and an MSD knock sensor so I can retard the advance curve. I
>> have found 87 to be good most of the time while towing my Toyota
>> but I generally top the tank with a higher octane when I have some
>> serious mountains to climb as the knock sensor will start to do a
>> slow dance on 87 when I start climbing even when I retard the
>> initial to 2 degrees.
>> Roy
>
> I have no problem with knock sensors. Installing one is probably a
> good move for us hard of hearing folks. I have a knock sensor in my
> coach sitting in the right seat. That is how I determined my static
> timing setting. I ran it up until it pinged and then backed it of 2
> degrees. That is where it sits now several years later. Since I
> seldom go in real mountains I never need to change my timing. I did
> climb Trail Ridge Road in Rocky Mountain National Park one time up
> to the top at 11,000 feet and I have been through Eisenhower tunnel
> a couple of times which also is around 11 k. But other than those I
> I'm usually 5,00 or below.
Ken - since I am living at 7200 feet and drive at even higher
elevations a lot, I can tell you that it is very difficult to get an
engine to ping at high elevations. One can actually advance the
static timing to 20 deg advance and still not get pinging but you get
a lot more power on the hills. However, when I did this I would have
to drop the timing back down at lower elevations in order to stop
pinging.
87 octane works fine in the mountains. It is the addition of 10%
ethanol that will drop the mileage and cause vapor lock problems in
hot weather at higher elevations.
Emery Stora
77 Kingsley
Santa Fe, NM
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[GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Wed, 17 March 2010 12:49
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Wed, 17 March 2010 13:48
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: Dennis S on Wed, 17 March 2010 14:45
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: Chr$ on Wed, 17 March 2010 13:39
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: C Boyd on Wed, 17 March 2010 15:46
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: Don A on Wed, 17 March 2010 21:29
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Wed, 17 March 2010 21:57
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Thu, 18 March 2010 18:17
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Fri, 19 March 2010 13:16
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: van.one on Fri, 19 March 2010 16:43
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: jwillard on Fri, 19 March 2010 13:23
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Wed, 24 March 2010 09:42
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: bhayes on Wed, 24 March 2010 10:04
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: van.one on Wed, 24 March 2010 13:51
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: van.one on Wed, 24 March 2010 13:29
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: van.one on Wed, 24 March 2010 13:59
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: roy1 on Thu, 25 March 2010 21:13
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: roy1 on Fri, 26 March 2010 13:27
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: roy1 on Fri, 26 March 2010 19:32
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: roy1 on Fri, 26 March 2010 19:44
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: k2gkk on Wed, 24 March 2010 12:06
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Re: [GMCnet] GMC Coach - New Braunfels, TX
By: van.one on Wed, 24 March 2010 13:17
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Re: [GMCnet] GMC Coach - New Braunfels, TX
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