[DeTomaso] Suspension Bushing Fit

I'm mocking up control arms and shocks, and some seem to be a really tight fit using after market bushings.  Is that common?  Does someone have the specs for the gap between ears the control arm and shock bushings fit into? Ken I'm mocking up control arms and shocks, and some seem to be a really tight fit using after market bushings. Is that common? Does someone have the specs for the gap between ears the control arm and shock bushings fit into? Ken