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Air dog spring

Max Tune
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Max Tune

Max Tune

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I only see a 30lb spring on their site. Anyone ever try one? Does it actually give 30lbs? That's too much. The spring in my unit seems to be getting weaker as time goes by. Stretched it a little and added a washer. Had 18-19lbs steady for awhile. Pressure slowly dropped to 15-16lbs over 8-10 months. Replaced seperator and fuel filters, no change in pressure. Added another washer and pressure is at 17-18lbs but if I drive about 50 miles or so, the pressure gradually drops to around 15. Will drop to 13-14 if I get on it. Hopefully it's just an old spring losing its tension and not the pump slowly dieing.

 

Was just curious about the replacement spring air dog offers.

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