I dont see the big deal with v6 thirds, all they have on 4 cylinder thirds is bigger blades or whatever you call them to disipate heat better. I would save the
![My Two Cents :twocents:](https://board.marlincrawler.com/Smileys/marlin/twocents.gif)
and keep what you got.
trollbum: I think the best way to lock the rear end is to
![Flamer :flamer:](https://board.marlincrawler.com/Smileys/marlin/flamer.gif)
weld up the spider gears, i did it and i love it. It does eat up the tires a little more than a detroit, but it works great off road. Just make sure you weld the gears together and not just put weld in between the gears.