When they said "stiffen it up" they were probably referring to removing the "slop" that they were talking about, not saying that they wanted to make the truck less maneuverable. That's basically what spherical bearings do, is remove slop. They don't cause "loss of maneuverability".Danny Trinen wrote:silverfish. someone was righting a review on the new CNC'd indy DH plates. they said it was a bit slopply, so they were going to add a spherical to stiffen it up, so i figured this was true in all trucks? correct me if im wrong
If you think about the way a truck works without spherical bearings, due to the nature of the bushings, the hanger can "move around" the kingpin because of the bushings compressing. To the left, right, front, back and up and down also. The same with pivot cups. The "slop" in the pivot is not as noticeable, but it's still there. The movement of the hanger around the kingpin due the the bushings compressing side to side, etc. is what is referred to as "slop". When you add spherical bearings to a truck, it gets rid of the "slop", making the truck more precise, crisp, or however you want to describe the abscence of "slop". (I'm sure there's someone else around that can describe what I'm trying to explain here better than me....)
On most of the trucks I've modified with sphericals, I've done more than one. I do it in steps, and compare the feeling of the truck with the sphericals, and the same truck without the sphericals. There has been no "loss of manuverability" in any of the trucks by adding the sphericals. When you compare a Bennett with sphericals to a Bennett without sphericals, they feel different, but they both still turn like crazy. I personally haven't felt any loss of maneuverability by adding spherical bearings to trucks. Of course all of this is my personal opinion, and your mileage may vary....