joeblow Posted April 6, 2011 Share Posted April 6, 2011 Quick background. I'm running an infamous stage 2 tune at 18psi with an IPR TMIC, full TBE and stock everything else, but the weather was not very cooperative during my tuning period and it feels a little less than complete. Not Shamar's fault at all, he gives a window and mine lapsed, no biggie. However, when I let off the gas under full boost in 2nd the car jerks/lurches. I thought it may have been a bpv issue that the stock one was too restrictive for the boost level and IC size. But some suggested that it may be a taper issue. Basically the injectors just cut off when I let off the gas instead of tapering. I haven't taken any logs yet or tested other gears. Basically what I'm asking is what I can do or what to log for to determine whether its a BPV, wastegate, or tune/injector issue. It's cool; I'm with the band Link to comment Share on other sites More sharing options...
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