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Will 3G alternator fit in stock position of 68 galaxie with FE 390?

543 Views 12 Replies 8 Participants Last post by  PSIG, 
8
Has anyone put a 3G alternator on a 390 in the high mount position? I'm really tired of my fitment issues i'm having with my GM10SI case. The bump on the back hits the head of the motor. I'm not interested in going to the low mount style as i'd like to use the original brackets as much as possible. I measured from my bracket to the block and its extremely close to if not slightly more than 4.5 inches. The dimensions off of summit say from the mounting surface to the back is 4.5 inches.

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m in sc
I do. it fits, way better than the tuff stuff 1-wire i had, zero issues. yes in the same high mount passenger side position. this one, with a single groove v pulley. https://www.summitracing.com/parts/TFF-7771

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m in sc
as a side note, my brackets were original as well, the long arm one has been extended a bit though, but not to clear w this alternator. I also tapped and installed a helicoil on the top hole of the alternator housing as its not threaded, but a nut on a longer bolt will work as well. .02
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m in sc
its worth it.
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m in sc
me either. was basically a drop in mechanically (yes i also clocked mine) i wonder if the 'whine' issue is on refurbed ones that may be kinda crappy or pull a part ones? just speculating.
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