1956_GMC_630,

As your truck definitely falls into the "Big Bolt" category, you may get better replies over in the Big Bolts forum.

I am going to suggest that the Moderator move it over that way to help you get the best possible replies to your question.

Good luck! thumbs_up


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)