2.6 alternator - Defender Source
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  #1  
Old January 12th, 2014, 04:40 AM
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Derek Chace
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2.6 alternator

Im looking to upgrade my stock 2.6L alternator on the Shorland. Current one will not keep up with the systems that have been added (cameras and espar heater). Thus espar heater is now in lockout mode from a series of low voltage starts.

Any know of a good upgrade. I have heard it may be possible to use a 3.5L alternator.

Any ideas?
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  #2  
Old January 12th, 2014, 06:31 AM
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What did those 2.6 have? 45 amp Lucas?
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Old January 12th, 2014, 09:02 AM
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Assuming the alternator is working fine, even if low amps, a low voltage fault makes me think you may have a wiring fault.
Have you tested the heater circuit resistance and calculated if it meets the requirement for the amp draw of the heater?

You may have two issues going on.

Can't help you on the alternator conversion, never looked in to it. I bet people on the UK forums have done them fairly often.
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  #4  
Old January 12th, 2014, 09:26 AM
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The 2.6 generally had a 35 amp alternator.
It is possible to fit a 65 amp alternator from a different vehicle without any modifications.
While the delco can be rigged to fit a 2.25 engine, it needs custom brackets to fit the 2.6.
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Old January 12th, 2014, 12:08 PM
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any idea on what vehicle? May wind up going with a delco and just making a custom mount.
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Old January 12th, 2014, 12:45 PM
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Quote:
Originally Posted by greenmountainrover View Post
any idea on what vehicle? May wind up going with a delco and just making a custom mount.
Been a while, best to check the lucas or bosch book for a unit with the same ears as yours. Also be careful with wanting to switch brackets so fast. Some of the top 2.6 brackets bolted on from the top to the block and were installed before the head went on.
In this case you have to remove the head to replace the brackets, but don't recall if it was the alternator or generator bracket as it has been 20+ years since I drove a 2.6.
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