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Old 07-14-2009, 07:34 AM   #1
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First Trip

I just completed a 1600 mile trip from Okla to SE Colorado, my first trip in the Minnie. I must say, I was really impressed with the smoothness of the 460, it idles as smooth as my old flat-head's did. My mileage averaged a little over 8 mpg through mountain and flat driving which I guess is normal. My only complaint is that the 460 would slow down on the interstate whenever there was a grade and sometimes down to 55 mph. Therefore, it takes quite a bit longer to cover the same amount of miles when compared to driving a car. My other rv is a 25 ft. Silver Avion which I pull with my 2001 Dodge Cummins and it has more than enough tourque to maintain a constant speed on the interstate and most secondary hiways. I had had the exhaust replaced right before my trip with a 3" Magnaflow and 3" pipe throughout and was wondering what headers would do for the tq. All I can find for my rig is a Banks setup and they are too expensive for me. Does anyone know of another brand that will fit? Thanks!
1994 Minni Winni, 24 ft., 460 cid, Class C
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Old 07-16-2009, 04:58 AM   #2
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Remember you are driving a small truck not a car, watch the big rigs slow up the hill and go like crazy on the down side and flat land.

The sponser of this page, Brazels sells power chips for the Ford 460
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Old 07-16-2009, 10:04 AM   #3
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One modification to give you a bit more power would be to install a set of Thorley headers along with a free flow cat converter (if your system uses one) a Flowmaster, Magnaflow or Dynomax muffler and use a 3.5" exhaust pipe if single exhaust.
Jim & SherrySeward

2000 Residency 3790 v10 w/tags 5 Star tune & Banks system Suzuki XL7 toad
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Old 07-16-2009, 11:03 AM   #4
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The gassers will slow down on the slight hills that yor diesel does not even notice. I'd like a small MoHo, but I am sure fond of our Silver Streak.

How old is your Avion?

Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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Old 07-17-2009, 05:59 AM   #5
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Our Avion is an 85 model and we love it. Rides so good that seldom does anything bounce off the table where as in the MH everything has to be removed and tied down. We bought the Winnie for horse camping so I can pull our horses and still have a place to sleep.
1994 Minni Winni, 24 ft., 460 cid, Class C
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