Re: 1959 Big Back Window 3 point seatbelts
I am using Yukon third row seats with the belts built in. I figure GM did the engineering. I am using the stock mounting method welded to a frame that uses the stock seat mounting bolts. I calced my connections and welds based on the stock seat floor bolts being the weakest link. My floors are solid with no rust. If I get in trouble enough to shear the floor bolts seat belts are going to be the least of my worries.
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1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread
1964 Chevelle Malibu w/ 355-350TH (daily driver)
Helpful AD and TF Manual Site Old Car Manual Project
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