Actually it all depends. If it is an ATX, I wouldn't bother swaping any engine. If it is an I4, FS-03, then your only option would be an FS-ZE, but as far as I know no MX6/Probe have been able to swap one succesfully. However if it is a V6 then there are more options, an KL-ZE which is 200bhp, a...