1/2 ton springs won't work.

3/4 ton will.

Shouldn't be any issue with dropping the helpers. I bought a 3800 last year that didn't even have helpers.

Here's the spring specs.

http://chevy.oldcarmanualproject.com/chevyresto/53134.htm

Try here for new spring packs.

http://thesuspensionking.com/catalo...;osCsid=c65617844b350077e1108cca3fdb7fb6

http://www.sdtrucksprings.com/index.php?main_page=product_info&products_id=10321

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