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Old post, but I'll chime in...
I have both backing plates, and the LC one is definitely thicker and much firmer than the GG one. The only time I really need to use the GG plate is when working on contoured areas with thin pads, such as the 3" CarPro orange peel pads. I can post side by side pictures later if you want.
how much of a difference does the stiffness of the backing plate make with the thin pads, or any pad for that matter, on a DA?
The 2nd and 3rd pictures are intended to show the stiffness of the GG pad vs the LC pad. First off, I should say that the pads don't differ much in the amount of overall cushion they provide, but they do differ in flexibility. In the 2nd picture, you can see the edge of the pad and BP compressing due to the pressure on the edge. In the 3rd picture, you can see the edge of the pad compressing, but not the BP. This is the difference, and you can really feel it on a curved panel with thin pads like these. Again, not necessarily a bad thing, nor a reason not to buy one.
Did you cut down the LC plate? Seems a little rough around the edges. The 3.5" LC backing plate looks like the Griot 3" BP..beveled on the edge.
Did you cut down the LC plate? Seems a little rough around the edges. The 3.5" LC backing plate looks like the Griot 3" BP..beveled on the edge.
the bp should fit directly. no adapters needed.
Sorry if this is slightly OT but....
I was just researching whether I could use the LC 3" Backing Plate (actually 2 7/8") on the GG 6" and combine with a 3" Pad so I wouldn't need to smoke another $100 on the smaller GG Polisher.
If so, do I need an Adapter or am I good to go as is?
Appreciate any advice.
While the backing plate will fit just fine, keep in mind that a 3" pad on a GG 8mm DA will barely protrude beyond the shroud. I think many use an extension to move the plate away from the shroud. A 3.5" plate with 4" pads is fine though.