handsome_man_777

So, i found a Datsun 520 and 521 rear end, with 4.3 gearing. Which one would work best? and Would I have to use the entire rear end, or will the diff swap out in my 720?

Is it possible to use a toyota rear end?

Hello everyone! I will start of my apologizing for my lack of experience with this truck, I'm entirely unfamiliar with them. Secondly, I'd like to thank you for any and all help that I can get. I bought a 85 Nissan dirt track race truck from a buddy, have been racing it for the last month and a half. There are a few things I'm looking to do to it in order to get a little more power out of it. As of right now, its stripped down and has the z24 motor, Weber 38 carb, 3.83 rear end and some suspension work. I'm on the hunt for a L20 head to swap over (according some forums I've read, that will have a huge impact) and changing the ring and pinion from stock to 4:10... My problem is, I can't find any where that sells them. Any ideas of where to look? What to look for? The right way to do this? Lol I appreciate all the help. I'm at a loss, and not sure where to turn.