I have a 1989 gmc jimmy.. Just finished building a 700 hp sbc nitrous motor for it and i brake rubber mounts literally once a weak with the stock 245 hp tbi 350. So i tryed poly mounts mounts.. There a little better but i broke one after a month so im just running it broken right now till the...
Truck mounts and car mounts are opisite of each other. A truck has a soild mount on engine and factory rubber junk on frame and the car is oppisite. Im looking for solid on both motor and frame.
Just leave the turbo 350 and 208 until it brakes.. Then go to a turbo 400 and a 205. A 205 is honestley my favorite ecspecially with twin sticks☺ but if your not worried about mpg go with 4.11 or 4.10 it will make a difference off road. And i would put a spool in the front and a posi or locker...