It started with one at 42 (drivers) and about 35 or so for both bags to reach 8" height. This is due to the differences in weight (my genny is on the drivers side). But it seemed a bit harsh to me so I dropped the driver's down by about 5 pounds. I have one of those cool little Ryobi air guns; very handy. Not sure I'm done playing with it just yet. We mounted the gauge on the mounting bracket that supports the air box in the engine bay.
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