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Re: [GMCnet] GMC Coach - New Braunfels, TX [message #77835 is a reply to message #77828] Wed, 24 March 2010 10:29 Go to previous messageGo to previous message
Tim Conway is currently offline  Tim Conway   United States
Messages: 412
Registered: September 2005
Location: Long Island, New York
Karma:
Senior Member
On Mar 24, 2010, at 10:42 AM, D C *Mac* Macdonald wrote:

> I see from info that it requires 91 Octane fuel. Is this current
> 91 stuff
> or the OLD 91 stuff? If I remember correctly, current 87 or 88 is
> about
> equivalent to the old 91 stuff.


Congratulations on the new coach!

I'm not very comfortable commenting with all the knowledge here, but
I THINK I recall reading that the 455 needs 89 and the 403 - 87. I'm
sure some authoritative info will be posted...

Tim Conway
LI NY 78 PB
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