Check out Denny Grahams post in the section, "Taint no such thing as new 3.90 or 4.10 gears." It has about all the information you need. Another idea is swapping the rearend. Many 'bolters have swapped in later model Dana 60's and 14 bolts.


1954 3600 Chevy Truck
"The Fake Truck"
In the Stovebolt Gallery
More pix on Photobucket