This summer i got me a nice full size Ford Galaxie -70 with a 390 engine. But the former owner did have the block, crank machine worked. I found it in the trunk, little bit heavy but i managed to carry it into my house.  .
The heads may have some crack did the former owner told me, so i was lucky to find me some "GT heads" and a cj iron intake. and a holley 650 carb.
I also bought me the book " the great intake comparo, so now I'm confused.

Wondering about how much torque can i ad whitout ruin my c6 ?
Should i go for a stroke kit? Aluminium heads? Intake adapter? maybe fuel injection? and then what cam should i have?