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Bigger Alternator??
https://ausmini.com/forums/viewtopic.php?f=5&t=3290		 Page 1 of 2
Author:  Gordo [ Mon Dec 06, 2004 5:24 pm ]
Post subject:  Bigger Alternator??
Does anyone know if a bigger alternator can be fitted to a mini?
I am installin a dual bettery setup in mine and i want to upgrade
the alternator to suit..
So does anyone know if another type of alternator will fit? Or
what has to be done to make a higher amp alternator fit? I was
told to try to fit the biggest one possible 120amp....ish
Author:  13secmini [ Mon Dec 06, 2004 5:46 pm ]
Post subject: 
found this doing a quick search, not sure if its what your after.

http://www.inlope.com/~tzi/ausmini/view ... alternator
Author:  gafmo [ Mon Dec 06, 2004 7:31 pm ]
Post subject: 
I believe a ACR17 Lucus is rated at 75amps....no mod's required
Author:  drmini in aust [ Mon Dec 06, 2004 8:46 pm ]
Post subject: 
Search in Mods forum, a Bosch 75A off a Nissan Pulsar is pretty easy to fit.
A few people on here run 'em. :wink:

125A? That's a freakin' welder.... :lol:
Author:  Chris [ Tue Dec 07, 2004 12:07 am ]
Post subject: 
gafmo wrote:
I believe a ACR17 Lucus is rated at 75amps....no mod's required


Yes, but its Lucas. What cars had them? Have you actually seen it done? Someone once told me an overdrive would bolt on the back of a Triumph gearbox....it doesn't. I am always sceptical of "it'll fit" stories after that.
Author:  gafmo [ Tue Dec 07, 2004 5:19 am ]
Post subject: 
Chris wrote:
gafmo wrote:
I believe a ACR17 Lucus is rated at 75amps....no mod's required


Yes, but its Lucas. What cars had them? Have you actually seen it done? quote]

Yes and I have one, not sure what it can from sorry
Author:  drmini in aust [ Tue Dec 07, 2004 5:59 am ]
Post subject: 
gafmo wrote:
I believe a ACR17 Lucus is rated at 75amps....no mod's required


Can't find my specs but I believe a 17ACR is only 45A... not 75.. :?
Author:  Chris [ Tue Dec 07, 2004 9:43 am ]
Post subject: 
drmini in aust wrote:
gafmo wrote:
I believe a ACR17 Lucus is rated at 75amps....no mod's required


Can't find my specs but I believe a 17ACR is only 45A... not 75.. :?


Yep. 45 amp. I think I'll find a Bosch or buy a new Ingrams. I will mount it when the motor is on the bench and save a lot of hassles and swearing. I reckon that 100 amps will cover future add ons like audio etc.
Author:  Gordo [ Tue Dec 07, 2004 8:42 pm ]
Post subject: 
well im tryin to get the biggest alternator i can find that i can get on there, there will one day be a big audio system added to the car, thats why im installing the dual bettery setup and i want both of the optima yellow tops to be charged... And the more amps the more power THE LOUDER it should go(and the more crap i will blow up :D)
I think i will have to wait til the motor is together and in and runnin to see what i cant make fit.. any more info on what will go on would be much appreciated..
And id rather stay away from lucas as it shits me to tears
Author:  ausminis4u [ Wed Dec 08, 2004 8:50 am ]
Post subject: 
Gordo wrote:
well im tryin to get the biggest alternator i can find that i can get on there, there will one day be a big audio system added to the car, thats why im installing the dual bettery setup and i want both of the optima yellow tops to be charged... And the more amps the more power THE LOUDER it should go(and the more crap i will blow up :D)
I think i will have to wait til the motor is together and in and runnin to see what i cant make fit.. any more info on what will go on would be much appreciated..
And id rather stay away from lucas as it shits me to tears
find a cummins truck alternator, rated at 170 amp at 12v worth about $500- $600 auto elecs can get them 4u
Author:  Lillee [ Wed Dec 08, 2004 12:39 pm ]
Post subject: 
Definately my vote is for the 75A Pulsar Alternator!
Author:  drmini in aust [ Wed Dec 08, 2004 4:31 pm ]
Post subject: 
ausminis4u wrote:
Gordo wrote:
well im tryin to get the biggest alternator i can find that i can get on there, there will one day be a big audio system added to the car, thats why im installing the dual bettery setup and i want both of the optima yellow tops to be charged... And the more amps the more power THE LOUDER it should go(and the more crap i will blow up :D)
I think i will have to wait til the motor is together and in and runnin to see what i cant make fit.. any more info on what will go on would be much appreciated..
And id rather stay away from lucas as it shits me to tears
find a cummins truck alternator, rated at 170 amp at 12v worth about $500- $600 auto elecs can get them 4u


Hmmm... wouldn't the Cummins be 24V, like most trucks? they would take some swinging over at 12V.. :shock:
Author:  Morris 1100 [ Wed Dec 08, 2004 8:19 pm ]
Post subject: 
My Cummins alternator was 12 volt, but it was big!

Why bother with a bigger alternator? It only makes the car go slower! When I was racing I used to look for the smallest alternator that would do the job.

Remember at 160 kph you can't hear the radio :roll:
Author:  Konzo [ Wed Dec 08, 2004 11:02 pm ]
Post subject: 
Dont bother installing another battery, buy a 2.4 farad capacitor and ur stereo will love u. They are small and very powerfull. You can get good ones on ebay
Cya
Lucas
Author:  Gordo [ Fri Dec 10, 2004 4:31 pm ]
Post subject: 
i have a 1 farad soundstream capacitor already.... if i were going to upgrade the capacitor i woundnt only go a 2.4 cap i wouldnt muck around i would go a 25 farad cap either soundstreen or rockford fosgate... prob the rockford to stay the same as the rest of the setup

and Morris 1100 you have a very good point indeed... i would be very happy if my mini would be abe to go 160kph, but also the sound this stero setup puts out i would be able to hear it doing whatever speed i am doing :wink:
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