Longacre vs Fasttrax camber/caster gauge

[obrut]

I'm looking to do my front end alignment on my 87 T but would also like to do my camaro and silverado when I need to. I'm looking for a gauge that can do 15-20" wheels. The longarce 78298 with the quick set adapter seems to fit my requirements http://www.summitracing.com/parts/LNG-78298/?rtype=10

I was also looking at the fasttrax at eastwood http://www.eastwood.com/fasttrax-camber-caster-gauge.html This one show that you can zero the gauge to the ground for uneven work areas, can I do this with the longarce digital gauge?

Any pros or cons let me know, I only want to buy once and be able to algin all my cars.

 

[cruzn57]

I have, and use the Longacre magnetic caster /camber gauge, it works fine, does a good job of setting things up correctly.
but it only as good as the operator.
it is accurate ,
I use a couple ways to set toe in, string, and tape measure.

 

[obrut]

I did some searching and there seems to be some complaints about the fasttrax setup. I'm leaning towards the longarce 78298 now because I want to do a few different cars and don't want to have to buy adaptors for everything.