THE lad and i have a 74 siii swb ,the vin plate had turned to white powder and became unreadable our mot tester sez dont worry @ it dave i know which motor it is cos he,d tested it for years ,but if you want peace of mind stamp a bit of ally n rivet it on that will suffice mate .Now he,s tested our motors for years and he,s spot on ,but i bought a new vin plate frm STEVE GRAHAM SERVICES TEESIDE stamped it myself he sez thats fine mate . Now S G S has moved to ELDON nr BISHOP AUKLAND ,,email,,,,STEVE GRAHAM SERVICES,@ HOTMAIL CO. UK i dunno wether he still does em but its worth a try all the best ---dave