Searching for a Mopar Mechanic near Chicago"

looking for 400 hp
the problem does not have the power it did before install
i expectecd
car at least 400hp
1973 duster 340 stock 727 trans
so far i installed MOPAR TOP END KIT FROM SUMMIT EDELBROCK TOTAL POWER PACKAGE 417 HP SMALL BLOCK TOP END KIT 2049
have not done anything to correct it
Tune it. He probably didn't put the timing or anything else back the way it was, and that's just speaking of the very least.. it ought to be tuned for it's current configuration.

The carb size, is it the same or bigger?