Fitted an EL 110amp alternator into the EB - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 15 (permalink) Old 09-05-04, 05:14 AM Thread Starter
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Fitted an EL 110amp alternator into the EB

Just thought I'd make this post.

It is almost a bolt in replacement to fit the higher capacity alt to an EB/ED engine which gives an extra 25a charging capacity. The Alternators are not physically the same the outer case on the EL alt has a bot which hits the bracket on the EB motor. I had to grind a small amount off the bracket in 2 places so the alt would clear it. The EL alt has an 8 rib pully which is slightly smaller - 2-3mm diameter and the pullys arent interchangable due to different shaft lenghts. I am there fore using the smaller pully which means the alt will be spinning that slight bit quicker which is no big deal in itself. The EB has 2 plugs, the main regulator plug and a small plug with a yellow wire which loops back into the main plug. On the EL alt this circuit has been integrated into the regulator itself so the small plug now hangs in the breeze.

There is also a known problem with the charge wire on the EB/ED cars. I am not sure it it is the same on the later EF/EL. Basically the charge wire is too light to carry 85a (max) and it gets very hot. After time it deteriorates and eventually brakes off. Mine did this one night and I ended up having to try and drive home with no charging system. Needless to say I didnt get home without an RACV call out.

The TSB on the charge wire problem simply states: remove bolt, clean connection and replace with new bolt.

My solution was to buy a starter motor lead which had nice heavy duty ring connections on each end. This was run from the output on the alt directly to the battery positive.
So everything is good now, with the bigger guage wire I have noticed far less voltage drop when things are turned on eg high beals flicking and indicators etc and I have more charge capacity to run more things in the future.


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post #2 of 15 (permalink) Old 09-05-04, 05:36 AM
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Re: Fitted an EL 110amp alternator into the EB

i take it you had a mitsubishi alt to start with ?Or a 85 amp Bosch

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post #3 of 15 (permalink) Old 09-05-04, 05:45 AM Thread Starter
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Re: Fitted an EL 110amp alternator into the EB

85 amp motocraft

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post #4 of 15 (permalink) Old 09-06-04, 08:39 PM
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Re: Fitted an EL 110amp alternator into the EB

did you buy the altenator new? How much did it set you back? just thinkin of doing it as well...
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post #5 of 15 (permalink) Old 09-07-04, 03:55 AM
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Re: Fitted an EL 110amp alternator into the EB

I would like to do this too, I take it that you used a EL V8 Alternator? The hard part would be finding a decntly priced EL Alternator I guess, I got quoted $500 for a new one today!!!!!
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post #6 of 15 (permalink) Old 09-07-04, 04:29 AM
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Re: Fitted an EL 110amp alternator into the EB

sounds like a good conversion, especially if underdrive pullies are causing amperage problems.

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post #7 of 15 (permalink) Old 09-07-04, 04:31 AM
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Re: Fitted an EL 110amp alternator into the EB

I have 3 in my garrage full recos !!!! 110 of ef/el

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post #8 of 15 (permalink) Old 09-07-04, 04:45 AM
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Re: Fitted an EL 110amp alternator into the EB

how much you asking? including regulator?

1992 DC LTD 5.0
Duel exhaust, Genie extractors, Ported E7 heads, ported lower HO inlet, 70mm maf, Underdrive Pullies
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post #9 of 15 (permalink) Old 09-07-04, 04:48 AM
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Re: Fitted an EL 110amp alternator into the EB

Only sell in brisvegas sorry dude there for a i6 internal regulater not sure on price open to offers

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post #10 of 15 (permalink) Old 09-07-04, 06:34 AM
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Re: Fitted an EL 110amp alternator into the EB

can you see my thread in general tech mate? I need to know what alternator i have so i can source a plug for it :(
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