307 torque build

[89AKurt]

Originally Posted by garyd1961

The 307 was a good motor. I thought the one in my truck was going to last forever but once they are worn out they aren't worth fooling with. A 350 with a set of vortec heads and a mild cam will give you more low end torque than you will ever squeeze out of that old 307.
I would run the 307 until it wouldn't go anymore and then buy a 350, no need to waste money on a 307.

I just found out that's in my truck. It runs like a champ now, so not touching it.