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Old 11-03-2020, 08:42 PM   #15
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I think any type rubberized material (high temp) would work. Quick check on Amazon etc., just don’t know how it “feels”. Just keep it away from hot stuff. Ours is no where near anything hot so I guess it can be done, no stinky!!
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Old 11-04-2020, 08:59 AM   #16
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Conveyor belt material would work I guess but it is so thick and inflexible that installing it might be a huge problem.

I still have remnants of the original. It is pretty thin stuff and not reinforced. I don't think it is exposed to very high temperatures. It doesn't touch anything hot.

So I am considering buying THIS. It is about 1" too narrow to reach across the complete opening but it is long enough to make the curtain in two pieces. Make one piece that fastens to the left side and reaches almost all the way across. Make a smaller piece that installs on the right side and overlaps the first piece. It might be easier to create the openings for access to oil and transmission if made this way.
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Old 11-04-2020, 09:20 AM   #17
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I think that would work very well indeed. 1/8” is plenty thick enough.
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Old 11-04-2020, 09:38 AM   #18
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Originally Posted by ChristoRV View Post
Great idea, as long as heat doesn't make it give off an odor....

Wonder why one could not use some sort of aluminum or sheet metal? Something that would not rust and have no affect from engine heat.
As others have said, that is the OE "air dam" intended to help increase airflow thru the radiator. It was provided to the coach builders along with other parts that need to be added while the coach was being built. Installation by some coach builders didn't happen at all, and many that did get installed ended up looking like a DIY project gone wrong.
IMO, any heavy (thick) rubber mat, preferably fabric reinforced, ( a thin conveyor belt material should work nicely ) will do the job if you carefully cut it to fit and attach it securely with screws and panel flat washers. Tractor Supply & Home Depot type places should have something you could use. A thin flexible material may make an "easy" to cut template, for whatever you ultimately install.

Proper installation WILL help prevent overheating issues. FWIW, there were also pieces added along the sides of the radiator, but attaching them can be more problematic.

I think sheet metal is going to produce more noise from vibrations......
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Old 11-04-2020, 07:33 PM   #19
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If you are anywhere close to a combine salvage yard there are curtains on the inside of the that is about the right type.
2000 Winnebago Adventurer 32v, P32 Workhorse Chassis 7.4l Vortech, J71 Ultra RV upgraded 67,000 miles
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ace, motor, replace, replacement, w22

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