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The VPC has to be programmed for a particular injector and you have to use the injector it was programmed for, else, you'll need something like the ZEM to account for all of the wild variations and stabilize the fuel delivery. Even then, you run into issues with heatsoak throwing off the VPC unit and you end up chasing the A/F curve around during tuning. Consider this for a moment:
All of the high HP Z's have used a dual intake of sorts. The MAS in a dual intake setup is not the bottleneck in the system. Going to a VPC will create far more problems than what it is worth in terms of airflow, and by experience it has shown itself to be unnecessary and problematic. I believe there was a good reason that it was discontinued. This perhaps?
[ ashspecz.com ]
[ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving.
Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor.
Albert Einstein
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