My 66 GMC was stock, 6 cyl, 4 speed manual trans, 3.73 rear end and was driven cross country more than a few times. I drove it on the freeway at 60-75 mph often.
Last edited by Rusty Rod; 01/11/20203:51 PM.
Another quality post. Real Trucks Rattle HELP! The Paranoids are after me!
