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 Post subject: Beefing up the alternator..
PostPosted: Wed May 02, 2012 1:10 am 
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Hi guys,

Over the next few days I am looking at getting my alternator rewound.

I wanted to know if anyone could shed some light on what max amp output I should be looking at without burning the charging wire or bottlenecking the alternator.

(Basically max amp output without having to upgrade wires.)

Currently are running an Optima D51.

Would the be any recommendations for a mob in melbourne?

Thanks in advance.

Note: I have ready 99% of posts that are to do with faulty alternators and increasing amp outputs using the search function.


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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 9:46 am 
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U can swap ur alti to a ford falcon el 110amp with no issues thats what i run on my sierra. Just have to get a new fan belt

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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 12:53 pm 
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cbzook wrote:
U can swap ur alti to a ford falcon el 110amp with no issues thats what i run on my sierra. Just have to get a new fan belt


Thank you for your advice however I am not willing to fabricate a bracket or alter the standard bracket to fit a falcon alt.

Could anyone else shed light on the rewound question.

I have read a few people have had a rewound to 90 amp -Would this be safe on the stock electrical system?


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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 2:05 pm 
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from memory the falcon one is a direct bolt-over. yet to try it myself (even though i have the alt. lazy.) to see what i have to change.

if you do need to change any wires, you only have to swap the 8Ga. wire running from the alt back to the positive terminal.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 2:28 pm 
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Yea falcon one is direct bolt over i didnt have to modify anything to fit it

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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 9:18 pm 
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cbzook wrote:
Yea falcon one is direct bolt over i didnt have to modify anything to fit it


So correct me if a wrong but you are saying that its a straight bolt over and you did not have to modify anything to fit it.

Below is a picture of the connector for a ford falcon el alt..it looks like a square connector to me and the stock gti connector found on the loom is a round circle connector.So unfortunantly I fail to comprehend how you have fitted one without modifying anything.
Attachment:
!B418fs!EWk~$(KGrHqMOKiEEyVLYHZ)uBMrYzHQu)g~~_35.JPG
!B418fs!EWk~$(KGrHqMOKiEEyVLYHZ)uBMrYzHQu)g~~_35.JPG [ 8.34 KiB | Viewed 12185 times ]


Non the less I appreciate your input.

Does any one else have anything to add to the topic. Any further information would be use full.


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 Post subject: Re: Beefing up the alternator..
PostPosted: Wed May 02, 2012 9:42 pm 
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Sorry mate but i ment no drilling etc, yeah i had to cut the swift connector off n put the falcon one on.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Fri May 04, 2012 8:19 pm 
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Im afraid you have already been given the best advice avaiable from cbzook . You are willing to get an alternator rewired for more output but you arent willing to replace it with a 110 amp alternator that is a direct fit and all you need to do is change a 2 wire socket??

Also theres no way you could get the factory alternator rewired to out put anywhere near 110 amps!!! So why dont you just suck up the good info that you have been given. Go over to auszookers and see how many happy people who have done the conversion . I also know a guy thats done it on a 1 litre cino!!

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 Post subject: Re: Beefing up the alternator..
PostPosted: Sun Jul 08, 2012 11:10 pm 
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Would a 110 amp alt hav an adverse effect on the battery, ie. overcharge &/or evaporate the fluid?

Have discovered what appears to be two bolting configurations. The first is more common, but which is correct?


Attachments:
FORD FALCON EF EL 6CYL ALTERNATOR.jpg
FORD FALCON EF EL 6CYL ALTERNATOR.jpg [ 12.9 KiB | Viewed 11897 times ]
Brand New Ford Falcon EF EL V8 5.0L Alternator 110A.jpg
Brand New Ford Falcon EF EL V8 5.0L Alternator 110A.jpg [ 26.61 KiB | Viewed 11888 times ]

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 Post subject: Re: Beefing up the alternator..
PostPosted: Sun Jul 08, 2012 11:13 pm 
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check the other thread, i posted up a gti alt photo for reference. its a 6cyl one, not the 8cyl.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Mon Jul 09, 2012 10:06 am 
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Have responded on the other thread.

Link: viewtopic.php?f=7&t=48832&p=475171#p475171

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 Post subject: Re: Beefing up the alternator..
PostPosted: Thu Feb 07, 2013 8:22 pm 
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Well, after a long wait I finally went ahead and did the upgrade today. From all accounts the change over involved:

New alternator with plug (as described),
Drilling bracket holes for larger bolts,
Enlarging the bracket curve to accept the larger alternator,
Larger wiring to the battery; earth was ok!
Same belt was used, but was attached as alt bolted in.
Pully that came with alt was adequate for the task, though not much space between it and the chassis.

So far have not identified any signifigant change, but have only been driving the vehicle since this afternoon. Therefore I will keep a close eye on things and report anything I may encounter.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Thu Feb 14, 2013 5:56 pm 
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Location: USA
Is there an American equivalent to the Ford Falcon EL? Or is this a car (and its alternator) only available in Australia? I would like to go to my local parts store and buy a 110 amp alternator for my Swift GT!

Thanks, Shimaze


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 Post subject: Re: Beefing up the alternator..
PostPosted: Thu Feb 14, 2013 7:31 pm 
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Falcons are australian only. i have no idea if any ford in the US used a 4.0L inline 6 SOHC engine though, and my google-fu seems only to want to work in australia.

a crown vic perhaps? (i dont know what engines they have, but they are the closest thing that comes to my mind as a falcon equivilant.)

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 Post subject: Re: Beefing up the alternator..
PostPosted: Fri Feb 15, 2013 4:19 pm 
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Well as promised I’m now providing feedback a week after having the bigger alternator installed.

As I drove it away from the auto electrician’s last week I didn’t notice any real difference, so you can imagine I was quite disappointed.

Granted the vehicle does still harbor some minor mechanical issues I inherited and need to address as time passes, however, from the following day I did start to notice incredible things:

The aircon works without drawing excessive power, which at times used to cause the engine to stall.
The air flow of the blower fan is blowing air like never before, without any drop whilst at lights, even with the aircon on.
My power windows zip up & down better, even without the engine running.
The headlights, interior lights, dash illumination etc don’t dim when I clutch in as I negotiate corners & in fact stay good & strong when stationary.
Better acceleration and responsiveness, even with the aircon activated.

Overall the car quite simply handles and feels so much better, doesn’t seem tired and is a pleasure to drive again.

I’d suggest the standard alt (which was a 60amp & only 3 years old at best) wasn’t able to fully charge the battery and was simply playing catch up whilst driving. The battery is likely now fully charged.

For those of you out there toying with the idea of installing the bigger alternator, I’d recommend you bite the bullet & just do it.

[eBay: FORD FALCON EF/EL 6 CYL ALTERNATOR - NEW; HS Motors and Auto Electrics; $179.00 with free postage to Aust. The following link should assist:
http://www.ebay.com.au/itm/FORD-FALCON- ... 231aa25e44
For me it was an additional $18.95 for plug and wiring. Just purchase the alternator (without making payment), and then they can send you an amended invoice to include the plug.]

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 Post subject: Re: Beefing up the alternator..
PostPosted: Fri Feb 15, 2013 8:24 pm 
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I fail to see how this is a worthwhile or necessary modification. Unless you're running a big stereo/extra lights etc I think the standard alt is fine.

mospeada11 wrote:
Overall the car quite simply handles and feels so much better, doesn’t seem tired and is a pleasure to drive again.

Handles better? Really?

mospeada11 wrote:
I’d suggest the standard alt (which was a 60amp & only 3 years old at best) wasn’t able to fully charge the battery and was simply playing catch up whilst driving. The battery is likely now fully charged.

I've never had a problem with my battery not being fully charged. If you're getting 13v + at the battery then it's charging fine.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Fri Feb 15, 2013 10:01 pm 
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Ok, 'handles better' may have been an incorrect explanation, I tried to edit as best I could.

All I can say is that the change has suited me. Should one be happy with one's current configuration, then keep it as it is! I can only write about my experience.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Fri May 08, 2015 10:38 pm 
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sounds like a good idea, when running pwr everything and a/c, plus a sytem it sounds like a must

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 Post subject: Re: Beefing up the alternator..
PostPosted: Sat May 09, 2015 7:57 am 
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I have been upgrading using later model swift alternators and have not been cutting the wiring harness to do so. You will require the later model harness plug with some wire still attached and add male spade connectors to them to plug into the GTi harness. The wiring colour code is important here. Later codes are different than GTi so now that I have peaked your interest I will tell you part two this afternoon.

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 Post subject: Re: Beefing up the alternator..
PostPosted: Sat May 09, 2015 9:39 am 
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pictureshowman wrote:
I have been upgrading using later model swift alternators and have not been cutting the wiring harness to do so. You will require the later model harness plug with some wire still attached and add male spade connectors to them to plug into the GTi harness. The wiring colour code is important here. Later codes are different than GTi so now that I have peaked your interest I will tell you part two this afternoon.


Do you by any chance know the amp output of this alternator?

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