Quote:
Originally Posted by Maine Sail
The series 6 and 7 share are very close in case size with the 7 being perhaps a tad smaller. The real difference is that the 6 series has a back up internal regulator built into it and is an isolated ground unit (nice feature) vs. case ground of the 7 series. The 6 is also available in larger output ranges.. I generally prefer the 6 series over the 7 series because I just feel you get a lot more for the money. With a simple switch you can just toggle to the internal regulator if the external goes kaput, and they can go kaput from time to time...
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Wow. For some stupid reason, I'd assumed that the 6 series wasn't as heavy duty as the 7 series as the number was lower. Seems a little silly now. For $50 more, I can get the same kit from Binnacle.ca, but they have free shipping which just about makes it free to upgrade to the 6 series.
The 6 series is also an inch shorter (though a bit fatter). The bolt to bolt dimension is a bit more, so my tensioning issues will be a bit worse. I can live with that and buy or make a tensioning arm if need be.
This is all really coming together. I still think I'll go for the double pulley just because it's free and might be useful. In the meantime, I'll de-rate as much as I need to to keep the belt happy. Now all I need to do is size up some new battery cables and I think I'm good to go.
Thanks for the great advice (as usual)