GO BUY Leo Santucci's book on hot rodding a six
http://www.themotorbookstore.com/chevy6cyl.html don't do anything else and waste $$$ until you read as much as you can to figure out what you want to do and HOW TO DO IT. leo talks about engine size and how to get power. It geared more for racing not so much for what we bolters want in our use... everyday
I am installing a 292 in my 51 3100. and lots of other mods. 302's are much harder to find, much harder to install in bolts because of size & MUCH harder to find parts for.
it ain't cheap. it ain't easy.
it's a pain in my a$$ ...... #?"~}:<$&+*
ask lots of questions, get motivated. It's a long process.
GOOD LUCK
