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Old 02-20-2021, 02:05 PM   #14
chewychevy67
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Join Date: Jan 2010
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Re: 72 one piece high hump cab floor

I'm really not sure the reasoning for that because I have seen ppl put big blocks in small block trucks and the transmission fits without modifying the tunnel but that is how gm did it. No hole in the hump for the big block auto trucks.
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