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7045 alternator
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luckydogg View Drop Down
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Joined: 06 Feb 2016
Location: ,south dakota
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote luckydogg Quote  Post ReplyReply Direct Link To This Post Topic: 7045 alternator
    Posted: 02 Sep 2022 at 10:16pm
I have a 7045 serial number 3616 that came with a niehoff alternator. When the niehoff  gave up, I replaced it with the same  delco si and pulley setup that I have on my 7040. The tach then read 500 RPM'S faster at wide open. On the 7040 it's right at 2500. My question is what setup do I need so the tack reads correct. Are there multiple pulleys for the delco alts? Thanks for any feedback. 
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 88173 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2022 at 10:28pm
your pulley is probably 3.55 inch dia
Like them all, but love the "B"s.
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luckydogg View Drop Down
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Joined: 06 Feb 2016
Location: ,south dakota
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote luckydogg Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2022 at 9:48pm
Thanks Steve! I'm going to get one ordered right away.
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