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Join Date: Dec 2010
Location: western maryland
Posts: 444
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Alternator compatibility 3.0L / 3.2L

quick question, i am building up a 3.5L motor based on a 3.2L, have a line on a new 3.0L alternator, p/n 911-603-120-04, the 3.2L calls for a 911-603-120-05, are these two basically compatible? Most accessories like AC have been removed.
Thanks, John

Old 07-07-2012, 02:27 PM
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Join Date: Dec 1999
Location: Richmond, VA USA
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The two alternators are different depths and require different mounting rings. Search for posts of my name -- I posted a picture showing both alternators about 2-3 weeks ago when answering the same question.

Brian
Old 07-07-2012, 05:17 PM
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ROW '78 911 Targa
 
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Join Date: Jul 2011
Location: Salem, OR
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Does an Alternator from a 84 3.2 fits an SC from 82 ?
Nice picture of the differences Brian. Good one to remember.

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Last edited by timmy2; 07-07-2012 at 05:26 PM..
Old 07-07-2012, 05:23 PM
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