Quote:
Originally Posted by 289FIA
Congrats on 289 for your 289! 
Regarding the alternator, I had a similar problem. Replacement part number was 7078 (like yours) and the rebuilt unit had the posts in the same location as yours. Interestingly, the original unit (the one I needed) had the posts 120 degrees rotated (like the one you need).
Back to another parts store with both and this time the 7078 in the box was a match. From what they told me, it happens often that rebuilders put the front cover back on in various positions. Quick online search of a 7078 at AutoZone, Advanced and O’Reilly shows some confusion. 
I’m sure it can be rotated, but if you bought locally, you may want to open a few boxes before you disassemble yours.
Cheers,
289FIA
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Great suggestion, thanks!
My engine builder supplied the alternator, so it's out of the box and been run on the car.
In looking at it, I'll probably try the setup as it is, and put on some plastic caps to keep wayward tools and other metal bits out of harm's way. Rotating the housing is something easily done later on.