FIA Homologation Papers & HTPs

[FISCracer]

Originally Posted by Duddha

As I say, some do cheat! But for papers, you need to use a period casting number or provide evidence that the engine block dimentionally and structurally complies with period. For GM/Corvette engines, it's known that some period blocks are no longer available but equivalent can be find through GM even though it is now sold for different application and with different casting numbers.

So Louis is a later 18V block acceptable in an MGB , TVR, Elva or only the earlier 18GA, GB, GG etc?

Thanks