All the open pressures are pretty much in the ball park. But the pressure on the seat varies from 220 to 268. If I shim up the springs that are low on the seat then the open pressure will be inconsistent. They are supposed to be 240 @1.9 and at 1.85 I got some in the 2.20's. I expect better than that. It's not just that the pressures are low but the rate is off on some but OK on others. The spring that is the lowest on the seat is the same spring that is the highest open, the rates are off on some but OK on others. This tells me that PAC never tested these springs before they put them in the box. I am disappointed in the quality of parts these days. I will call PAC tomorrow and see what they say. I don't want to warranty these and get a new box out of the same batch.
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Tim Corcoran
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