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09-07-2012, 03:46 AM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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Not Ranked
Best small alternator for classic chassis with ls2 motor
Hi
Being doing work on customers classic cobra and he wants to know
What is best small alternator for the ls2/l76 setup
As the Holden alternator doesn't fit
I have been told in the past to look for tarago one
Which fits and easiest to mount
Thanks
Jim
Last edited by sideshow; 09-07-2012 at 03:56 AM..
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09-07-2012, 06:30 AM
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CC Member
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Join Date: Jun 2006
Location: Newcastle, Warners Bay,
NSW
Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
Posts: 1,495
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Not Ranked
I saw some tiny alternators on a couple of Drag racing VWs they were 40 amp and when I researched they were off a Kubota fork lift..tidy little piece of gear.. google kubota 65-8361.
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09-07-2012, 09:30 AM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
I picked up a small one from a jap car wrecker it's about 2/3 the size of the original. They had a couple of 44 gallon drums full of alternators and said go for it. I just hunted through till I found one I liked.
Just made my own mounts and machined a new pulley to suit the 6 rib belt.
Cheers
__________________
Mike Murphy
Melbourne Australia
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09-07-2012, 10:24 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Mitsubishi alternators are universally used on many Asian import cars and have been adopted by the Sprint Cup builders.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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09-07-2012, 04:06 PM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
Mike, do you know what the length of your alt is? I have been looking for one to go in front of the head, but the pulley system on ls3 is closer to the block than ls1.
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09-07-2012, 04:07 PM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
Side show, how many amps do you think is necessary for a cobra with basic electrics and Holden efi?
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09-09-2012, 12:35 AM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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Not Ranked
i would say around 70 amps
most jap import cars are 65 to 75 amps
i was trying to see which is easiest to fit for the customer
i wont be fitting it as i dont have machining tools
lsx alternators can pump up to 120 140 amps so they are great
just dont fit some bodies
i might have to get in touch with beejay as i can remember exactly which alternator he used when i wired his but tarago rings a bell
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09-09-2012, 02:51 AM
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CC Member
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Join Date: Jul 2007
Location: Sydney Australia,
NSW
Cobra Make, Engine: RMC with 6 litre 307KW LS2, Comp Cam, 348rwhp & 532.5 ftlb of torque with 6L80E Tiptronic Transmission
Posts: 1,400
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Not Ranked
I have a 2005 Toyota Corolla Alternator in my LS2 and it works fine. Just had to make up a modified engine mounting bracket.
Baz
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09-09-2012, 05:56 AM
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CC Member
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Join Date: Mar 2004
Location: Warwick,
Qld
Cobra Make, Engine: DRB, FORD 302W,T5
Posts: 487
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Not Ranked
Diahatsu Charade -- I think, is the smallest I could find, 65A on a Ls6 (T70) --- runs - fuel pump, msd, twin electric fans and brake light, anything left goes to the battery  |
09-09-2012, 07:35 AM
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CC Member
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Join Date: Feb 2006
Location: The Hills,
NSW
Cobra Make, Engine: Absolute Pace
Posts: 1,354
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Not Ranked
Jim,
Pretty sure mine is a supercharged V6 Holden alternator.
Cheers,
Ben
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09-09-2012, 04:29 PM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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Not Ranked
ok thanks for the ideas
ill let the customer know what to look for
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09-10-2012, 02:18 PM
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CC Member
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Join Date: Oct 2007
Location: Near Emerald,
Qld
Cobra Make, Engine: Evans kit, 6 litre, 6 speed, Jag F/R,
Posts: 365
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Not Ranked
I didn't have enough room down low to fit the alternator due to rails, so I have rolled the alternator upwards off the pivot bolt and made a top bracket to hold it. All this in the standard bracket which I cut one lower leg off.
The alternator is no smaller but it lifted it to an area with some room, is this an option?
__________________
Missed my Cobra budget by thaaaat much.
Ya get that on big jobs.
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09-10-2012, 05:53 PM
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CC Member
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Join Date: Apr 2006
Location: Mildura,
vic
Cobra Make, Engine: FFR Coupe, 416ci of LS goodness
Posts: 2,349
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Not Ranked
That is exactly what I did.
Has worked fine for years now!
__________________
Powered by Cu
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09-12-2012, 12:33 AM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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Not Ranked
Cool
Thanks for the ideas
I went out today to fit engine harness and start making body harness
So while I was there we cut the inner guard fibreglass and rolled the alernator
Up and it should all be good
Now to sit down and make the body harness on my garage floor heheh
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