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Old 09-02-2006, 06:30 PM   #1
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Join Date: Sep 2006
Location: Dodge City,Ks.
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Default Mileage

I am about to buy a "98" Tourmaster with a 450 horse engine. Normaly I don't worry about fuel economy, but the current conditions (and my wife) dictate that I considerate this.... Anyone out there that can shed some light on this ????? I am currently driving a bus conversion that gets almost ( but not quite) 8 MPG. Will it get better, worse, or no change ????
40 ft Tourmaster, Schnoodle (Andre), Italian greyhound (Setera)
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Old 09-02-2006, 09:19 PM   #2
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Join Date: Nov 2005
Posts: 938

Welcome to the Gulf Stream Owners RV Forum!

I would guess that the mpg would be in the 8 to 9 range depending if the engine is broke in yet. In our 40' GS coach with the CAT C7 350hp we get 7 to 8 depending on the terrain and road conditions, but our engine is not really broke in yet since we just have a little over 8k on it.

Our previous '02 36' GS coach we were getting almost 10mpg when we traded it in and it had almost 20k on it. Of course it was not as heavy but it had the CAT 3126 330hp engine.

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