[TR] TR4a Crankshafts...

[Randall]

> The main bearings are the same size, and the front oil seal 
> is the same, but the rear oil seal on the MF crank is the 
> spring around-the-rubber type, rather than the scroll seal. 
> So you will have to get the aluminium piece that holds the seal.

A source of those pieces MIGHT be a rubber seal conversion kit for the TR3,
available from most LBC vendors.  However, you'd need to check that either
the MF crank journal is the same size as required for the conversion; or
that the MF seal will fit in the conversion frame.

Randall