Good morning! is there any secret or special method of replacing my 55amp alternator with a 70amp from a newer model? please advise! thanks!

I recently replaced my alternator with one from a newer 240. The original was from Bosch; the newer was another brand but they were mostly similar and it installed just fine.

I'm not familiar with alternators from older 240s but I heard that they may have an external voltage regulator as opposed to one mounted directly on the alternator as found on the newer ones. If that's the case, I'm not sure how to adapt to the newer style. Hopefully someone more knowledgeable will chime in.

When I replaced my alternator (a 24-year-old original), I also placed new battery cables since the old ones were corroded, cleaned and dielectric-greased all connections, and installed new bushings for the alternator. And since my battery was killed from an out-of-control voltage regulator, I also replaced it. Hopefully this will keep my car happy for a while.
--
Mike F - 1984 244 DL - 265,000 miles
Original engine, transmission, drive train, alternator, starter
Undergoing reconstructive surgery with POR-15