Actually I meant try to get an original Channel Master polarmount, it was Satellite Superstore that originally did that modified Gibertini polarmount to Channel Master 1.2 thing & on the original design the last 1/3rd nearest the dish face (1/2 a Gibi AZ/EL & flat plate) wasn't included & instead there was a couple of pieces of drilled angle iron, he'd forgotten to include a declination angle adjustment & then added that 1/2 an AZ/EL & flat plate for that, not the best solution. The SS replacement polarmount is better but still has it's own issues you wish it didn't, considering the price it's more than annoying you have to do a mod or two on that one too on site to get the best out of them.
You do usually get quite a big arc on the SS polarmount & original CM one if you have the view, certainly into the 50s, maybe over 60 on one side and you might not need to set limits unless there's a wall in the way. On a H180 {or the JS 1224 36v HH} you can get horizon to horizon