| Because the advance curve and vac advance curve will be wrong for your
engine:  http://www.teglerizer.com/mgstuff/advance_curves.htm
Skye
Word on the street is Robert Guinness said:
> Any reason why I should not leave a 25D distributor with points on a 77
> MGB?  I have no idea how it got there.  The catalogs say do not replace
> the '77 distributor with earlier models.  Why not?  Curious minds want
> to know.
> 
> Robert Guinness
> '75 Midget
> '77 MGB (almost ready to start up after 20 year hibernation)
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1966 MGB - GHN3L     Safety Fast!             __,__\__ 
The MGB Experience   www.mgbexperience.com   (_o____o_)
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