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Old 04-08-2013, 02:28 PM   #29
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Back on the subject of side rads, many of the early-mid 2000's Allegro Buses I see have a rear rad rather than side. Maybe depends on the engine option chosen?

The ISL engine usually comes with a side radiator but the ISC is more often equipped with a rear radiator. Although an ISL needs greater cooling than an ISC, I suspect the main reason for this is the price point f the coach rather than technical requirements.

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Old 04-09-2013, 02:03 PM   #30
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All things pretty equal I'd always go for the side radiator, but outside of that choice (which almost never happens) I wouldn't make it a real consideration.

It's great for the 40 minute alternator change, yes, but if I had to live with a coach I didn't like for the following 3 years...not so great.


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Old 04-10-2013, 05:24 AM   #31
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Good point. I know from this site, that floorplan is most important factor in choosing. So I won't let rear radiator steer me away from a great coach, but as a gear head I'd should like the side rad!
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Old 04-10-2013, 05:34 AM   #32
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Originally Posted by Cat320 View Post
All American Coaches have side radiators and most have Aqua Hots.
Not true on the Revolution.
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Old 04-10-2013, 05:56 AM   #33
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Side Is Best

Originally Posted by Mike_Harriet View Post
Good point. I know from this site, that floorplan is most important factor in choosing. So I won't let rear radiator steer me away from a great coach, but as a gear head I'd should like the side rad!
Right on. In the last year, I've owned both. We rolled in from a 1200 mile trip just yesterday, I examined the radiator during cleanup. Not a trace of sludge, obstruction. Were this my rear-mounted Fleetwood, a standard chore would've been degreasing and flushing.

Cooling efficiency in our case is up dramatically: the Silver Leaf diagnostics show a 2-3 degree water temp rise, climbing hills in warm weather. As opposed to 30-40F swings, with a rear-mounted radiator whose cooling air first flowed over the hot muffler, with the other RV.
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Old 04-10-2013, 09:26 AM   #34
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Originally Posted by 336muffin View Post
Not true on the Revolution.
You might be right about the previous years, but the 2013s have the side radiator.

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