i need some help,i have a 1994 chevy blazer and it's a 4.3,with a 4l60e.the problem i'm having is that i lost 1st gear and o.d.,i had some dummy down south rebuild and i installed it.i drove it 800mile's and now it's doing this.i have a th350 here i was wondering if i can install that transmission with little modifiction.it's getting a sbc swap soon so i was going to use that tranz anyway.well it work behide the 4.3?
