Not that I can really talk about restraint, my simple engine replacement turned into minor bolt-ons, then a cam swap then fuel injectors then the pulley...and so on and so forth.
1989 240SX Fastback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1995 300ZX Twin Turbo Warning: Objects in mirror aren't as fast as they thought they were.