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7040 altenator
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Hurt Farms View Drop Down
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Joined: 02 Nov 2011
Location: tennessee
Points: 97 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurt Farms Quote  Post ReplyReply Direct Link To This Post Topic: 7040 altenator
    Posted: 31 Mar 2012 at 8:37am
i just replaced my niehoff with a delco now my tach isn't right!anybody had this problem
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2381 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2012 at 10:38am
You need to replace the pulley with a larger diameter one.I can get the dimensions if you want them,otherwise the tach will read high.
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Hurt Farms View Drop Down
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Joined: 02 Nov 2011
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Points: 97 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurt Farms Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2012 at 5:40pm
yeah!i would greatly appreciate it
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2381 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2012 at 9:59pm
Sorry for the delayed response.The original pulley for the niehoff was a .670 bore with a 3 1/2 inch diameter.When converting to a delco, you need a .670 bore by 3 7/8 inch outside diameter. No belt change should be needed.Pulley groove width is 5/8 inch for the Allis belts.I get mine out of Sioux City,Iowa.
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Hurt Farms View Drop Down
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Joined: 02 Nov 2011
Location: tennessee
Points: 97 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurt Farms Quote  Post ReplyReply Direct Link To This Post Posted: 01 Apr 2012 at 7:04pm
thanks!i got a friend who owns a alternator shop he should be able to get it for me.
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Joined: 19 Sep 2009
Location: ERATH LOUISIANA
Points: 509 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SIMPLICITY Quote  Post ReplyReply Direct Link To This Post Posted: 01 Apr 2012 at 9:39pm
HI LYNN
 WHO DO YOU GET THE PULLEY  FROM IN Sioux City,Iowa.
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