I am working on a 1970 bronco it has a 170 straight 6 in it and we are trying to get more performance out of it. maybe more compression, camshaft change, piston change or head work. any ideas would be appreciated. thanks

http://www.fordsix.com/shop.php
it has parts for small, and big block I-6's

they also have Intake manifolds to put 4barrel carbs on it, Headders, heads, ignition, ECT