Engine id help

[fermented.rice]

Think I may have a corvette engine in my 62' Nova Need help Identifiing
Casting # 3963512
Partial vin stamped on Block pad 70S403576
# also stamped on pad T0205CZU:confused

 

[gmjunkie]

Think I may have a corvette engine in my 62' Nova Need help Identifiing
Casting # 3963512
Partial vin stamped on Block pad 70S403576
# also stamped on pad T0205CZU:confused

That vin and suffix is right for a (High Performance) 454 in 1970 Corvette!~!!