Welcome, I am sure you will get several suggestions from guys who have done modifications to increase highway speeds. Here is one link I found just during a site search that might get you started with some ideas. https://www.stovebolt.com/ubbthread...p/Search/true/rear-axle-swap#Post1128284

Pretty sure I have seen others in the past.


A day without laughter is a day wasted- Charlie Chaplin
When wrestling a grizzly bear, you have to keep at it until the bear gets tired, not when you get tired.

1948 Chevy 2-Ton