42 amp vs 55 amp alternator.

[PARTSCHEV]

my 1967 chevelle has a 42 amp alternator on it now.
i need to replace the alternator and i have a spare 55 amp unit.
does anyone know if i will have any problems with this swap?

327 v8, auto trans, no ac

thanks, mark

ps- hope all is well with everyone out there. and stay safe.

[mestorod70]

If you are going with any kind of sound system or amp
or even modern headlamps etc
you should look at at least 100 amp altenator