This is just my opinion.I used a TCI frontend in my 55 and it has worked out very well. I realize that I could have went the junkyard route and did it up with a true M11,or Camaro frontend.However by the time you buy the used frontend then go thru it and rebuild it,cause its gonna be worn,you are not gonna save that much money.At the time I did my conversion,a friend of mine was a TCI dealer.I got the whole package including tubular A arms and power rack and pinion steering for $1600 cash.NO fuss no muss and she rides and handles just great.