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Old 21-02-2024, 13:25   #1
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Location: Staging in Honolulu before sailing to Vancouver this summer
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8MR 90Amp Prestolite Alternator Upgrade

There are great tutorials on-line about upgrading alternator small marine diesel to a 8MR2069 (90Amp) made by Prestolite.

Well, I did this upgrade and it is working just great.

I initially bought two 8MR2069... I am selling the spare alternator which I used for a few hours to make sure it was working fine... it has maybe 50 hours of run time.

It comes with External Regulator Kit mounted on its back and a new / unused Adjustable Regulator if you don't have a Smart Regulator to drive the alternator.

Asking $250 (shipping not included)

Please note :The pulley shown on picture is not included...standard pulley are not expensive and easy to find.
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Old 23-02-2024, 09:21   #2
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Re: 8MR 90Amp Prestolite Alternator Upgrade

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Old 23-02-2024, 09:59   #3
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Re: 8MR 90Amp Prestolite Alternator Upgrade

...and the detailed specifications for this alternator can be found here: http://tinyurl.com/2aldo93w
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Old 02-03-2024, 20:08   #4
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Re: 8MR 90Amp Prestolite Alternator Upgrade

Quote:
Originally Posted by spirare View Post
There are great tutorials on-line about upgrading alternator small marine diesel to a 8MR2069 (90Amp) made by Prestolite.

Well, I did this upgrade and it is working just great.

I initially bought two 8MR2069... I am selling the spare alternator which I used for a few hours to make sure it was working fine... it has maybe 50 hours of run time.

It comes with External Regulator Kit mounted on its back and a new / unused Adjustable Regulator if you don't have a Smart Regulator to drive the alternator.

Asking $250 (shipping not included)

Please note :The pulley shown on picture is not included...standard pulley are not expensive and easy to find.

*** REDUCE to $125 (shipping not included) ***
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