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528 Posts
got an 07 lbz with edge attitude and juice 5 inch mbrp otherwise stock its been overspooling (35-38 psi) under wot with power loss on anything over mileage tune if i back out of throttle and get back in it itll accelerate again just wondering if a ported fitting or maybe shim kit for fuel rail would help or should i go ahead and get a lift pump like fass or air dog. This is my first diesel kinda clueless anybody got a solution?