Hi Simon,
The BJ8 bracket/ C42 generator mounting points are different to the earlier
bigger ones.
I.e. The distance between the 2 lugs on the block side plate are different to
the earlier block side plate; and the distance between the lugs on the
generators themselves are different.
I don't know if you can shim them up with washers to adapt one to the other -
and more importantly, if you do, I don't know if the pulley lines up with the
water pump & crank pulleys.
So - I know they are different. But I've never tried to adapt one to fit the
other.
Maybe someone else has?
I'll send you some pics tomorrow.
Best
Chris
Sent from my iPhone
> On 19 Apr. 2017, at 5:54 pm, Simon Lachlan <simon.lachlan at homecall.co.uk>
> wrote:
>
> Hi,
> I have a MkII BT7 fitted with an alternator. I still have the generator, C45
> I think, and it?s got new brushes, bearings etc. Works well.
> My nephew?s car in Paris, being a BJ8, has a C42. Slightly higher output.
> Now, my question is this, my never having seen both together:-
> Can I swap my BT7 genny into his BJ8?? Are they the same size so will fit
> onto the mountings?
> Are the electrical connections the same?
> Any other thoughts?
> We haven?t determined that his genny is at fault yet, but it?s looking
> likely. Conceivably, I?ll fly over and give him a hand. Carrying a genny,
> meter etcetc by air won?t be too easy these days. (Security issues). But
> carrying the wrong one would be heartbreaking. If you see what I mean!
> The plan is for the BJ8 to come over to the UK in early July. We can get his
> dead genny swapped or refurbished by then.
> OR, if you all tell me that the units are not physically interchangeable, I
> could take over the correct one (exchange unit) from one of the suppliers and
> bring back his dead one.
> Simon
>
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