Exactly what I did and I tighten the front bolts down on the front carpet to hold it in place and then worked forward. I used the cheap snap off knives to cut. after two cuts snap off end for better cutting usually go through three knives. My left index finger only has three cuts in it , I'm getting better
69 RA III T/A Auto 69 Sprint vert 3speed ( sold to a new home) 69 350 coupe ( new home in Denver) 69 350 HO 4spd