The dog bones are intended to articulate as the lifters rise and fall via the radius ground on the underside rather than serve as a rigid guide. As the plate is raised above the level of the dogbones, it no longer provides any alignment and serves only to restrain the spiders which were never intended to be locked in place. This is looking like a boondoggle to me, but I'll butt out.
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Triple Black 1971 GTO
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