Does anybody know if a NP241 from a 1990 Blazer has the same spline count as a NV4500? I think the NV4500 has 31 or 32 spines. Has anybody tried to mate this combo togther? I know! I know! a NP205 would be the case of choice but I just happen to have a 241 laying around. Push buttons are for radios NOT transfer-cases!!!