my cultus was going pretty fine except head gasket which blew a oule of times earlier but i replaced it and then it worked fine,, now few day ago it blew again an when it was being replaed my mechanic told me that both head and block are rusted thats why gasket blows,,, he told the only possible solution is whole engine replacement,,,which is out of question as my pocket do not allow me,, is there any other solution like welding etc??? engine's pick is pretty nice and never consumes engine oil @harib4u and all others plz need some good suggestion