Quote:
Originally Posted by menikmati
I didn't notice any obvious improvement when I didn't have it.
The only thing I noticed was sometimes the engine would struggle on initial startup, as if it was misfiring/sputtering. This only occurred when the car sat overnight and was immediately fixed by priming the fuel pump once before each startup.
I think I may have been the only one with the above sputtering problem, as other users on the forum have had the D-Box with no issues. That leads me to believe that there may have been a tuning issue, as I received a final revision of the Edelbrock tune for Zach and then added the D-Box afterwards with no additional tuning revisions.
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I did exactly the same as you but i noticed a pretty big improvment. My lower RPM driving was smoothed out and i noticed smoother power delivery in the upper RPMS.