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Re: [GMCnet] GMC Coach - New Braunfels, TX [message #78053 is a reply to message #77929] Thu, 25 March 2010 21:13 Go to previous messageGo to previous message
roy1 is currently offline  roy1   United States
Messages: 2126
Registered: July 2004
Location: Minden nevada
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Senior Member
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 mountions 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


Roy Keen Minden,NV 76 X Glenbrook
 
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