Ahhhh.... well yes and no....
to answer your question.. no we don't like the upgrade... because the mechanical part is too week as it is...
You take a 25 amp system and then spin 38 amp alternators... it is just about at the max point... no you doubble it to 60 and.... you will have problems like you have never had before.... with your single engine operation practice... smile... yes they do break off the shafts and they do take the teeth off the small gear and mess up the cam gear and oil pump... see other articles...
As far as changing them... you don't need the CPAs' approval... cont engine has the 60 amp alternators listed in the TC's... and in their parts manuals.. so its just a direct change... but, if I were going to drive one...why stop at 60 amp... why not go to the new 108 amp alternator... that can be put on the accessory drive off the vacuum pump side... and it is belt driven.. getting rid of the gear drive alternator and making more room down below... smile... they put a cover over the existing alternator hole and hang the new alternator off to one side... yes you need new regulators.. if you change..
The old system is fine... and while the newer 400 alt regulators are better...the old ones are just as good... and will give you isolation... that the new ones won't... their are better regulators out than the 400 also... but, no one has seemed to look them up... bob is correct.. I would rather have a voltmeter and current measuring device off each alternator like the early cessna 337s had... but, then again who looks... if its working... good if its not... well...
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