Add headers with a crossover balance tube, dual exhausts with catalytic
converters. Now you can to a certain degree do all the normal things:
increase compression, more advance, richer settings, etc.
There are some caveats, so I recommend you get one of the various how-to
books by HPBooks or equal for more in-depth details.
GM
----- Original Message -----
> So what kind of mods can one do to the 360 with 4 sp that will boost power
> and still pass emissions. I have a holley 600 and that is it which is
better
> than the motorcraft. Pug #756
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