rear end
It's very hard to beat the speed at which you can change 3rd member drop outs on a nine inch Ford rear end, and do it at home, no special tools required. While the GM 12 bolt, or Dana 60 are strong units, you simply don't have the versatility of the Ford drop outs. The only thing close is Mopar's 8 3/4 rear, but parts & availability are not even close. It's nice to be able to quickly set up for a road course one day & then quickly change to drag race gears the next day. I have 3 different ratios I use, and I simply store the extra gears in the plastic storage boxes Jegs sells to keep them clean, dust free & ready to run. Ford 9 inch parts are as available as small block Chevy parts too, every swap meet & wrecking yard has them. I often buy complete 3rd members as low as $50 on 1/2 price days, or $100 regularly. Most often you will add a posi traction to them, but sometimes you get lucky and find a posi in a wrecking yard, I've found 2 this year so far. Good luck with your build.!
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