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Old 12-30-2010, 05:35 PM   #1
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1970 27' Overlander
Shaker Heights , Ohio
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aluminum or steel

Does anyone know if it was standard to put steel propane tanks on a 70 model AS? We have a "new" 70 Overlander-well it was built in 69 so technically it's a 69. The tanks have the old original valves that will need to be replaced so I'm considering swapping for new tanks in aluminum because I believe these to be steel that has shown signs of slight rust and have been painted numerous times. Thanks!

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Old 12-30-2010, 11:35 PM   #2
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South of the river , Minnesota
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If you aren't sure of the material the weight will give them away.

Aluminum tanks of 20, 30, and 40 pound capacity have a tare weight of 14, 16, and 21 pounds respectively. It is stamped on the collar after the letters TW and may vary up to a pound or so depending on the vintage and manufacturer of the tank.

The steel ones have a tare weight of 18, 25, and 33 pounds for the same sizes.

If the tank has a float gauge it may weigh a little more.

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Old 12-31-2010, 12:21 AM   #3
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Have you tried a magnet? Not to be a smart a#%. But seriously; if a magnet sticks to it; it is ferris metal (steel).
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Old 01-01-2011, 11:55 AM   #4
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yes of course a magnet, duh...! Someday my brain will kick in, just hope it's not too late! Thank you for that solid dose of logic. I'm also interested in what was original to figure out if these are original or had been replaced at some point. Thanks for the replies to my thread!
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