88GTBLACK

I want to build a 347 that i could spin fast and break 500 hp EVENTUALLY. Do i have to spend the $$ on a 4 bolt block such as a dart piece? I got 1.6 rockers TF 170cc heads with a tf stage2 cam, #24 injectors 1 3/4 longtubes.

i plan on keeeping the 302 based block. 351 would mean returning stuff i already bought.

My tear down upon doing my HCI build consisted of ugly #7 and 8 cylinders and i now have to figure out what to do next!

mjr46

for a reliable 500, an aftermarket block would be advised..............and your choosen h/c/i is not gonna do it to reach your goal nor will the 24's support 500 hp....you need to research a little more