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Car Forum / Ford / Ford Mustang / July 2007

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HELP: 1966 MUSTANG with a 1993 MUSTANG 302 Set-up

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Dapat kang maligò - 10 Jul 2007 23:03 GMT
One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
looking for a harness or wiring digram to use the 1993 alterenator with the
bulit in regulator. Can anyone here help with info on eather?

Thanks in advance.

Bill

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Spike - 11 Jul 2007 00:41 GMT
>One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
>looking for a harness or wiring digram to use the 1993 alterenator with the
[quoted text clipped - 3 lines]
>
>Bill

Try these references. You will only have one wire going to the battery
when using the internal regulator, and you'll skip the  66 oem
external regulator.

http://www.geocities.com/smithmonte/Auto/3G_130A_Alternator_Upgrade.htm
http://users3.ev1.net/~bmarr/id120.htm
http://www.racesystems.com/3gproj/
http://www.broncohio.com/tech/3galternator.html
Dear Leader - 11 Jul 2007 02:07 GMT
>>One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
>>looking for a harness or wiring digram to use the 1993 alterenator with
[quoted text clipped - 13 lines]
> http://www.racesystems.com/3gproj/
> http://www.broncohio.com/tech/3galternator.html

I wouldn't use the 93 alternator, but the next generation alternator.
The connector would overheat burn stuff out, alternator, connector and wire
to solenoid block, bad design, on 5.0's all the charge current went through
the connector on two small blades.
newer is much better has a high current terminal, everything else is stock.
you need a fusible link in your wire from alternator to starter solenoid, at
the solenoid, for old or new.
Had two fail, last one was in flames on the freeway, that was fun.
Spike - 11 Jul 2007 03:31 GMT
>>>One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
>>>looking for a harness or wiring digram to use the 1993 alterenator with
[quoted text clipped - 22 lines]
>the solenoid, for old or new.
>Had two fail, last one was in flames on the freeway, that was fun.

I was just reading that. Fortunately, I'm not faced with that problem
with my old 65 oem style externally regulated. Although I will be
making a change with all the upgrades... hologens, stereo, etc. I'll
probably end up rewiring the whole car one of these days to be able to
handle it all better. I am installing fused relays.

How were the marshmellows?  And how many motorists honked as they
drove on by?
Dear Leader - 11 Jul 2007 04:16 GMT
>>>>One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
>>>>looking for a harness or wiring digram to use the 1993 alterenator with
[quoted text clipped - 35 lines]
> How were the marshmellows?  And how many motorists honked as they
> drove on by?

battery meter started acting weird,  stopped at a 7-11, opened hood, lots of
smoke, connector was on fire flames, would not blow out, ran in asked for a
fire extinguisher, it was a dry type, and gave it a small blast, all done.
The wire also burnt out over at the starter solenoid. I think the battery
was running low (over 4 years old) which caused too much current from
alternator to battery for a longer time and started cooking the connector.
Then took it to good alternator shop (they rebuild them there), got it fixed
for good with newer type alternator.
Spike - 11 Jul 2007 23:49 GMT
SNIP
>> How were the marshmellows?  And how many motorists honked as they
>> drove on by?
[quoted text clipped - 7 lines]
>Then took it to good alternator shop (they rebuild them there), got it fixed
>for good with newer type alternator.

I am shopping for an alternator. Been looking at Powermaster and
PAperformance, then will look in the Summit and Jegs catalogs.

Went to the store last night. Dash lights (and I think tail lights,
but not sure) quit about a block from home... so I continued and
pulled into the garage. Parked. Checked the switch. No change.
Then the dash lights came back on. The battery is a new high crank
unit. So I'm thinking the halogens and stereo are pulling a lot of
juice. Being an oem alternator, it's only producing 65 amps. Add in
the underdrive pulleys that just went in.
vince garcia - 12 Jul 2007 13:07 GMT
> SNIP
> >> How were the marshmellows?  And how many motorists honked as they
[quoted text clipped - 19 lines]
> juice. Being an oem alternator, it's only producing 65 amps. Add in
> the underdrive pulleys that just went in.

65 amps? I was thinking the oem alternator of that era only put out 45
amps, but my memory can always be bad...

One thing you might check (though this probably is not the problem) are
the grounds for your stereo and the voltage regulator. If they aren't
good grounds, a good stereo can put too much drain on the system even
with a higher output alternator.

If you do wind up with a higher output alternator, check the amperage it
is putting out at idle. Sometimes they actually put out less amperage at
idle than the oem alternator does!
Dear Leader - 12 Jul 2007 15:26 GMT
>> SNIP
>> >> How were the marshmellows?  And how many motorists honked as they
[quoted text clipped - 37 lines]
> is putting out at idle. Sometimes they actually put out less amperage at
> idle than the oem alternator does!

the replacement I got was made for Cop cars, puts out more at idle, I think
they called it a Ford generation 3, This guy at alternator place says they
got fleets of Ford trucks in from delivery companies they upgraded the
alternators, and Ford paid for it.
Spike - 12 Jul 2007 18:41 GMT
SNIP
>> with a higher output alternator.
>>
[quoted text clipped - 6 lines]
>got fleets of Ford trucks in from delivery companies they upgraded the
>alternators, and Ford paid for it.

That's because Ford writes it off to their advertising budget which
IIRC is deductible off the corporate gross under the tax system.  Back
when California Highway Patrol got the 5.0s, they cost the state
$4,000.00 per car and Ford got a LOT of advetising/PR mileage out of
the CHP using them.
Spike - 12 Jul 2007 18:36 GMT
This is an original A Code V8 4bbl and is rated for65 (really more
like 62 amps, and probably less at idle).

I have a new light switch to put in it, which I'll do before a new
alt. I learned a long time ago with a cooling system problem to start
at the cheapest repair and work up rather than the most expensive and
find out a $2 part would have done the job. :0)

My dad came by yesterday and over dinner I picked his brain. His whole
life has revolved around electrical and electronic. He said it sounds
more like a bad ground. Knew I kept him around for something! LOL

>> SNIP
>> >> How were the marshmellows?  And how many motorists honked as they
[quoted text clipped - 31 lines]
>is putting out at idle. Sometimes they actually put out less amperage at
>idle than the oem alternator does!
WindsorFox - 12 Jul 2007 19:42 GMT
>> SNIP
>>>> How were the marshmellows?  And how many motorists honked as they
[quoted text clipped - 30 lines]
> is putting out at idle. Sometimes they actually put out less amperage at
> idle than the oem alternator does!

   87-93 LX alt was 45 or 50 amp and GT 65. My LX is the one with the
"25 Years" tag so it was one of a bunch that the dealer ordered loaded.
It has all the options that you could get on them that year so it also
had the 65 amp alt.

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Thomas Cameron - 13 Jul 2007 19:43 GMT
>     87-93 LX alt was 45 or 50 amp and GT 65. My LX is the one with the
> "25 Years" tag so it was one of a bunch that the dealer ordered loaded.
> It has all the options that you could get on them that year so it also
> had the 65 amp alt.

I just got an '89 5.0 LX with the 25-year pony on the side, and it is in
the shop now having a bunch of the little niggling things taken care of.  
Should I look for a new alternator, or just wait til the existing one
dies?

Thomas
Spike - 11 Jul 2007 00:59 GMT
>One of my buds dropped a 1993 Mustang 302 into his 1966 Mustang and is
>looking for a harness or wiring digram to use the 1993 alterenator with the
[quoted text clipped - 3 lines]
>
>Bill

You might also take a look at the tech secion of Powermaster
http://www.powermastermotorsports.com/charge_wires.html
 
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