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Seems that 2 comps v.similar or ideally the same would work much better together, only needing mildest of tweaks to avoid surge.
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Your big compressor will overpower your small one, it will shorten your recovery time a bit but the smaller one will be more or less added storage.
hi i tried the da today and the compressor powers it fine and im supprised how long it takes to kick in ! im now thinkimg of adding another 200/300 litre tank to it