Originally Posted by
BIGTIME
Need a little help here.
Just finished the build and was wondering how tight should the diff nut be? When I spin the tires in different directions at the same time (one going forward the other going backwards) the tires rotate 1.5 turns before stoping.
Is this tight enough before I start the diff break in?
I start my break in with the diff at it's LOOSEST setting. The second the diff is tight enough to give diff action (two outdrives spinning opposite directions with the diff gear held). I break it in over and over, as I tighten the diff 1/2 turn at a time.
Break in
1/2 turn
Break in
1/2 turn
etc... etc.. until the diff is where you want it. Once it's set (tight enough so it doesn't slip). Run the car for a half pack or so, and recheck... usually needs another 1/16th turn or so after driving the car. (if memory serves)
YMMV