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Old Apr 27, 2004 | 03:10 PM
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alternator brackets?

does anyone have alternator brakets for sale? I need some for a 390. Right now im running a one wire 140 amp chevy alternator, mounted using a modified stock generator bracket from the 390.
 
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Old Apr 27, 2004 | 04:33 PM
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Hi! Are you saying your 390 originally had a generator? If so you'll still have a problem even with the alt. brackets 'cause the early blocks don't have the hole for the lower alt. bolt.

 
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Old Apr 27, 2004 | 09:16 PM
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The FE alternator brackets are the same ones used with the early small blocks. Both the adjuster and the support bracket are common to the 260-289, early 302 bracket. Alternator spacer is different though. If you still need a set , I've got extra's, $20 for both, and the aluminum spacer too + shipping.
 
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Old Apr 27, 2004 | 09:28 PM
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How's he gonna get those brackets to work on his block?
 
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Old Apr 27, 2004 | 10:47 PM
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http://www-link.com/cgi-bin/odbic.ex...lientno=1681.0

This is what you need to install an alternator on a generator equipped 390. It includes a special rear bracket that bolts into the block to mount the through bolt on the alternator. It also comes in polished stainless for $10.00 more.
 
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Old Apr 27, 2004 | 10:52 PM
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Thanks bluesky!
 
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Old Apr 28, 2004 | 09:29 AM
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The low mount Ford Alternator bracket is available in Junk Yards. Look on any FE powered truck from 65-76.
 
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Old Apr 28, 2004 | 09:31 AM
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But it won't bolt to the block, there's no hole for it.
 
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Old Apr 28, 2004 | 10:18 AM
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Early blocks (came with generator verses later alternator equipped FE's), have a boss that can be tapped for the 3/16 bolt. The poster has a 70's something FE.
 
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Old Apr 28, 2004 | 10:59 AM
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I don't know William, some early blocks I've seen don't have enough meat for drilling and tapping.

If the poster (merc62) has a '70's something FE, why did he say he's currently using the stock generator bracket from it?
 
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Old Apr 29, 2004 | 06:39 AM
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Maybe that's all he had at the time when he put it together. And William, it's 3/8ths not 3/16ths. Most Alternator pivot bolts are 7/16ths though so a 3/8ths bolt would require a bushing to take up the slop. I pulled a 67-68 Block out of a 63 Merc, so at this point in time Merc62 could very well have a later block in there.
 
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