PING TANKS - Diesel Forum -
Ford 650/750 Medium Duties Technical discussion of the new Ford Super Duty 650 and 750 series trucks with Power Stroke, Cummins, or Caterpillar engines.

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post #1 of 2 (permalink) Old 03-05-2001, 07:11 PM Thread Starter
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CMD1 and others,
You have mentioned using ping tanks as accumulators when working with air bag springs on F650 trucks. Are there any rules of thumb regarding the sizing of the tanks with the capacity of the air bags? And also, sizing of the air lines connecting the ping tanks to the bags? I am assuming that the addition of the tanks will give the air bag a longer travel before it hardens up. I have noticed that the Kelldermann system uses an accumulator on some setups. I am considering making an 86 GMC General (read cheap) into a single axle straight truck, and am looking for a softer ride when running lite. Any info on this subject would be appreciated. Thanks in advance. Lars

95 F250 psd 5spd still stock.
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post #2 of 2 (permalink) Old 03-05-2001, 08:56 PM
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I used a 5 gallon portable air tank, bought from Home Depot. I cut it in half, welded a plate between the two halfs, and connected it with a 1/4" air line to each half, with a tee going to each air spring. I have now used 1/2" air line, which seems to give a little better ride. I have found that the Kelderman system is very sensitive to what kind of shocks you use. I had gas shocks on at first, and then tried good old cheap fluid types.....the fluid is smoother than gas charged shocks.
The ping tanks are well worth the effort.
Feel free to e-mail me if I can help any.

2000 F650 XLT Crewcab, Custom RV bed, 230/660 Cat, 7 speed overdrive, 4:88 gears, air brakes, air ride suspension,air ride seats, cruise, CD player, custom leather interior.

2002 F350 4X4 PSD XLT Crewcab
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