[Healeys] Engine block question

[John Rowe]

We have had a discussion about pistons etc recently, but can anybody
enlighten me as to the difference between the 29D block and E & F varieties,
apart from camshafts which are interchangeable anyway?

I have been informed that the earlier crankshafts are more desirable owing
to a higher steel content than the later ones.

Or is it just BMC sticking another plate to designate the different model
car it was fitted to?

 

John Rowe

Qld Australia 

BN1 BT7

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