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Re: modern alternator swaps for BB, highest amp at idle
[Re: AndyF]
#32045
11/21/06 12:28 AM
11/21/06 12:28 AM
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Joined: Nov 2005
Posts: 15,118
85086
moparpollack
Lil Herman
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Lil Herman
Joined: Nov 2005
Posts: 15,118
85086
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Andy are you doing these for small blocks? 
56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
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Re: modern alternator swaps for BB, highest amp at idle
[Re: AndyF]
#32047
11/21/06 09:28 AM
11/21/06 09:28 AM
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Joined: Jan 2003
Posts: 3,920
n.e. pa.
65rbdodge
master
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master
Joined: Jan 2003
Posts: 3,920
n.e. pa.
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i got a 1 wire powermaster alt. and brackets from www.magnumhp.com it was a really easy swap. my car used to not charge at idle now it charges great.
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: challengermike]
#32048
11/21/06 10:44 AM
11/21/06 10:44 AM
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Joined: Feb 2003
Posts: 2,928
A tad North of Indy
Blown71X
super gas
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super gas
Joined: Feb 2003
Posts: 2,928
A tad North of Indy
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Quote:
So is it ok to leave the factory amp gauge hooked up?I see in the diagram it is.I have heard that the connection at the bulkhead connector and the amp gauge couldn't handle that may amps?Or is it OK because you have another wire going to the battery also?
challengermike
The way that is wired it effectivily bypasses the factory amp guage, which is a must on any alternator upgrade, the factory wiring and bulkhead connector will not tollerate any of these late model higher output alternators for even a short time.
That diagram was done that way (keeping existing wire to alternator) so as not to hack up a factory harness for those that may want a better charging system, but have the option to return everything to stock with little effort.
Rick
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: Blown71X]
#32049
11/21/06 11:32 AM
11/21/06 11:32 AM
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Joined: Sep 2006
Posts: 150
Arkansas
defiance
member
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member
Joined: Sep 2006
Posts: 150
Arkansas
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I'm using a 150A stinger GM style big case alternator. Works perfectly with the March Perf serpentine kit. The only think I had to do differently is the adjuster bar for the alt - I had to move the mounting point to one of the timing chain cover bolts. The spacer is pretty close to the harmonic balancer (around 5mm clearance at the top), but that hasn't been a problem so far. I've got an MS, A/C, 1400W (RMS) stereo, alarm, aftermarket lights (soon to be HID), 4 (ran 5 for a while) electric fans (2 for a/c condenser, 2 for radiator) etc.etc. and I can idle with everything on @ 800rpms at 14.5v. Here's some pics of the alternator, brackets, pulleys, etc... http://www.cardomain.com/ride/2324498/4Unfortunately, the changed rod mounting point isn't really visible in the pics... I'd take a pic of the changed bracket, but everything's all apart right now for a rebuild.
Last edited by defiance; 11/21/06 11:37 AM.
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: whiplash]
#32050
11/21/06 03:30 PM
11/21/06 03:30 PM
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Joined: Jan 2003
Posts: 28,067
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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I've got a link at home to someone that makes a kit for 100+ amps out of a square back and round back alternator.
What's wrong with doing that and keeping the stock looking unit?
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: defiance]
#32051
11/21/06 03:32 PM
11/21/06 03:32 PM
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Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
Dragula
I Live Here
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I Live Here
Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
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I had a big issue with needing a good amount of amps at idle. I currently run a 8mm cog system with GM 100amp unit over driven 2:1 with a 8mm cog pulley from these guys http://productengr.com/alternators.htmand a BDS blower pulley cut down to 0.75 wide for the crank and a low mount bracket from Jegs for a BBC....Works very well even with a 100amp alternator. See attached pic
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: feets]
#32053
11/21/06 07:19 PM
11/21/06 07:19 PM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,336
Summit, NJ
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Quote:
I've got a link at home to someone that makes a kit for 100+ amps out of a square back and round back alternator.
What's wrong with doing that and keeping the stock looking unit?
I would love to do that, but if that alt [Email]cr@ps[/Email] out, I have to sideline my daily and only car and borrow one while i mail order another. If I can fine the correct vehicle application for a cs130, it is:
-a direct bolt in
-available at 90% of parts stores across the US
-capable of providing the amps I need
-allows me to remove the voltage regulator
-simplifies the wiring harness
-I can relocate my ignition box (really only my concern)
on top of that, it was my understanding that most of the "rebuilds" that promise more amps accomplish it but at the sacrifice of idle amps, which is where I really need it.
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: feets]
#32054
11/21/06 10:07 PM
11/21/06 10:07 PM
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Joined: Feb 2003
Posts: 2,928
A tad North of Indy
Blown71X
super gas
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super gas
Joined: Feb 2003
Posts: 2,928
A tad North of Indy
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Quote:
I've got a link at home to someone that makes a kit for 100+ amps out of a square back and round back alternator.
What's wrong with doing that and keeping the stock looking unit?
Show me one of those that actually will have ANY idle output amperage and i`ll go back in my hole, as I said before THE only way any of the old style mopar alternators will do anything worthy of getting excited about is if lightening hits them....You can put perfume on a pig....it`s STILL a pig.
challengermike
The original feed for the inside of the car comes from the fuse link at the starter relay stud, which is hooked to the positive battery cable, in the wiring diagram you will notice there is a 8 guage wire from the alternator output stud to the battery positive, With the original amp guage wire ALSO hooked to the alternator stud you have now essentially jumped across the 2 amp guage wires eliminating current flow thru the guage but giving you 2 wires and close to double the current carrying capability to feed the inside.
THE sole reason it is wired this way is to give the owner a option to have a better charging system and NOT have to hack up a factory harness should it be needed to be returned to stock.
It is NOT necessary to hook it up this way if you either prefer to do an internal guage bypass at the cluster and feed it directly from the battery/starter relay, or don`t care about keeping things so they can be returned at some point. All that is required and mandatory is the 8 guage from the alternator to the battery positive. No matter which way you choose, PLEASE make sure this wire is protected either by fuse link or a proper sized fuse/breaker.
Rick
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: Blown71X]
#32055
11/21/06 10:21 PM
11/21/06 10:21 PM
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Joined: Aug 2003
Posts: 1,062
Amherst,NY
challengermike
super stock
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super stock
Joined: Aug 2003
Posts: 1,062
Amherst,NY
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I understand now,Thanks,So instead of all the current going through the inside of the car and back out it can split the current to half in the car and half directly to the battery.But because the 8 gauge wire is directly to the battery the inside of the car isnt alternating current anymore its direct.
Last edited by challengermike; 11/21/06 11:14 PM.
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: feets]
#32056
11/21/06 10:49 PM
11/21/06 10:49 PM
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Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
Skeptic
master
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master
Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
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Quote:
I've got a link at home to someone that makes a kit for 100+ amps out of a square back and round back alternator.
What's wrong with doing that and keeping the stock looking unit?
I installed on of those kits and yes it does increase output, I measured a peak of 94 amps. The downside is it DROPS idle output by .5V   and this is with a 10Ga wire running direct to the battery, amp gauge bypassed, bulkhead connector eliminated. 
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: Skeptic]
#32057
11/22/06 01:28 AM
11/22/06 01:28 AM
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Joined: Oct 2003
Posts: 3,698
NE Oklahoma
Von
master
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master
Joined: Oct 2003
Posts: 3,698
NE Oklahoma
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I installed on of those kits and yes it does increase output, I measured a peak of 94 amps. The downside is it DROPS idle output by .5V and this is with a 10Ga wire running direct to the battery, amp gauge bypassed, bulkhead connector eliminated.
What brand of alt are you talking about?
Im looking at going with a tuffstuff 100 amp, single wire unit, stock case style. The alt is rated for 58 amps at a idle speed of 750, assuming a 3 to 1 pulley ratio. Just wondering what brand you have.
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: 70blackfish]
#32059
11/22/06 08:26 AM
11/22/06 08:26 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,336
Summit, NJ
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Quote:
I have a 140 amp 1 wire, that fit with my stock big block alt brackets.
want a picture?
absolutely, plus who makes it, if its a stock application, etc. thanks.
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: whiplash]
#32060
11/22/06 09:39 AM
11/22/06 09:39 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,336
Summit, NJ
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Blown71x, I found an auction for a cs130, parts stores around here are only selling remans. Is this the one I need to fit the stock brackets? 
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: Von]
#32061
11/22/06 10:35 AM
11/22/06 10:35 AM
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Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
Skeptic
master
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master
Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
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Quote:
I installed on of those kits and yes it does increase output, I measured a peak of 94 amps. The downside is it DROPS idle output by .5V and this is with a 10Ga wire running direct to the battery, amp gauge bypassed, bulkhead connector eliminated.
What brand of alt are you talking about?
Im looking at going with a tuffstuff 100 amp, single wire unit, stock case style. The alt is rated for 58 amps at a idle speed of 750, assuming a 3 to 1 pulley ratio. Just wondering what brand you have.
read the quote in my post
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Re: modern alternator swaps for BB, highest amp at idle?
[Re: feets]
#32062
11/22/06 11:05 AM
11/22/06 11:05 AM
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Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
Skeptic
master
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master
Joined: Jan 2003
Posts: 4,395
The Pale Blue Dot
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Quote:
I've got a link at home to someone that makes a kit for 100+ amps out of a square back and round back alternator.
What's wrong with doing that and keeping the stock  looking unit?
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Re: modern alternator swaps for BB, highest amp at idle? *DELETED*
[Re: Skeptic]
#32063
11/22/06 11:27 AM
11/22/06 11:27 AM
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Joined: Oct 2006
Posts: 302
Middle of the US
Verga
enthusiast
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enthusiast
Joined: Oct 2006
Posts: 302
Middle of the US
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Post deleted by Verga
Last edited by Verga; 11/22/06 11:31 AM.
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