i am glad to find this thread.i bought some cast aluminum 4 to 4.5 wheel adaptors from transdapt(through summit) and i will tell you they are pieces of sh#t.dont ever use these or run them. after using them for ONE day, i pulled my front wheels off and they were cracked (summit gave me a full refund).they are way more dangerous than redrilling the drums and axles (imo). so i am going to drill mine out,besides being cost effective and having the option of going back to a 4" pattern,i dont like the way that extra 1 inch makes the wheels stick out(i know call me picky) my question is would it hurt to weld the studs to the front drums from the back for extra insurance or is it really necessary? i to will use a 4 to 4.5 adaptor as a template and just go for it . i read somewhere that a guy says there is not enough meat on the rear axles and warned against it but ive read where there is plenty and people are doing it all the time. does anyone know someone who has actually broken a redrilled axle or drum? i wont be racing with this setup but i will run my 4.5 centerlines lol
