I have a ta49 and am thinking of going up.I was thinking a ta 61 or ta62or something else.Don't want to have to change alot of things to make work oil lines,waterlines etc.Was looking the buick power pac book and they list turbo'as stock appearin non stock whatever that means.I would like to keep turbo housing cover and all options .So what turbo do you guys recommened.I want to get low 11's high tens eventually,so turbo to comply with these and who has the best price etc. thanks mike.