Tyco’s original cars were larger than aurora’s thunderjets. The slightly larger cars could still be operated on 3 inch wide track, of which tyco offered its own. Vintage Tyco Pro HO Scale Slot Car, Made In Hong Kong The mattel track is much improved over the tyco. Old tyco slot cars . Much better continuity, and the track lock is unlocked from under the track, leaving no. There are small wear spots on the body but overall in great condition for being over 45 years old. 5 out of 5 stars. Auto world's 18 wheeler trucks are very close to ho scale but most cars are 1/64 or bigger. 1/32 scale are around 5 to 7 inches long. It has a complete and running curve hugger chassis with the correct chrome wheels. The most successful of these was tyco, who in 1963 introduced its own line of ‘ho’ slot cars. Sign in or create an account. About 2 or 3 inches long. Its business did not last very long — lionel dumped the cars for model trains in 1915. Only 1 available an...