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[QUOTE="Bigsexy, post: 408083, member: 4968"] So my truck has will only build up to 15lbs of boost and tends to bounce from 15 to 10 once it gets to 15. I had this problem last week so I resealed my plenums with ford grey sealant, replaced the boots on the spider, resealed everthing on the spider and I replaced my uppipes with bellowed one and new gaskets. I drove it once it was all put back together and didn't see any signs of the uppipes leaking. I also took both ends of where my boost gauge hooks up and resealed the ends. Any ideas of what I could try next? [/QUOTE]
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