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Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 11:45 am
by Scott C.
I am wanting to make a set of gage rods for checking the alignment of the front axle to the spindle and perch bores. I am thinking, make a set of cones to fit 1/2" ground rod into the perch bores. Then on the spindle bores 1/2" ground rod slipping through the top hole and machining a step, or taper to fit into the threaded hole on the bottom. How long should I make the gage rods? Does any one have any thoughts, or ideas on this? Does any one have pictures of a set that they can share.
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 12:02 pm
by TRDxB2
Need o search the old forums to see where I got these photos
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 12:04 pm
by RajoRacer
This is what I came up with - works quite well.
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 1:07 pm
by Steve Jelf
Here's the rig Bud Redding uses. Rods through tapered plugs that center in the holes.
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 3:20 pm
by Harry Lillo
I have used twin tapered collars with thumbscrews on 3/8 rods for many years. Very similar to the picture above.
You can tell immediately if the axle is twisted. Very easy and quick to turn out on your lathe.
Harry
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 8:22 pm
by Allan
My rods are at least 18" long. The shorter you make them, the more difficult to ascertain differences in alignment.
Allan from down under.
Re: Front Axle Alignment Tools
Posted: Tue Apr 14, 2020 8:39 pm
by Henry K. Lee
Great Work Guys!
The only thing I would add as my Dad showed me is that once in the vehicle things kinda change from minute differences. I jack mine slightly off the floor, remove the wheels and spindles. Long rod through the king pin holes either by wood dowels or steel rods to set the caster with those BIG MOTHER OF ALL WRENCH BARS! Really makes the difference.
Just trying to Help,
Hank