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Subject: perf-list Digest V2000 #179
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perf-list Digest Sun, 03 Dec 2000 Volume: 2000  Issue: 179

In This Issue:
ALTERNATOR PROBS..
Re: ALTERNATOR PROBS..
Re: What do I need?
Re: ALTERNATOR PROBS..

----------------------------------------------------------------------

Date: Sun, 03 Dec 2000 14:16:39 -0800
From: phil <phil ableofficemachines.com>
Subject: ALTERNATOR PROBS..


have a 302 with a 135amp ford alternator "3g  ?"
it has been removed from vehicle and tested twice..
once - all ok puts out 135A
2nd time after 10 min of charging  it "appears"  to short..
While driving  at 2000 rpm or better it starts to  pull power from both
optimas FAST
causing a massive power loss from both batterys.
If i am not running engine (turned off) both optimas can provide power
to all lights and access. for some time...
When charging it does to 14V if the alt. is cold.. and engine is at
idle..
While driving at 2000-4000 rpm .. after 10-15 min..the voltage drops to
10v then 8V then electronic ign. dies... at a "idle" it starts
recharging again.. after sitting for 20 min with no lights on the
batterys come back up to 10v and i can drive a bit again..
This alt. is a bit over 1 yr old . it is internally regulated- this
fault has only occured after a drive down the freeway 2 weeks ago.. no
wiring has been changed.
The alternator is hot to touch as well as the coil...
The coil and ballast resistor were replaced with identical units. to see
if that was causing the fault.. it is not.
One possability is a fault caused "alternator phasing" where at a
certain speed the alternator has turned into a motor while the engine
rotates it.. causing it to suck all the power it can..   - I have nver
heard of this ??????

phil



------------------------------

From: FLR150 aol.com
Date: Sun, 3 Dec 2000 22:28:02 EST
Subject: Re: ALTERNATOR PROBS..

Phil,
What year is this on? On the older models, they put a fusible link in the
wire between the alternator and the battery or starter solenoid. This was a
cause for an alt failure like you described on my early 80's model stang.
Pulled the fusible link wire, and put a large gauge wire from the alt to the
battery with car audio quality terminals, and also did the same on the one
from the solenoid to the starter. Never had a problem until I totaled it.


Better to be a racer for a moment, than a spectator for a lifetime
Later,
Wayne Foy
94 Flareside SC
NLOC #484
2000 #4 Top Truck
1999 #2 Top Truck
Atlanta GA
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://members.aol.com/flr150/index.html
ICQ#58060858



------------------------------

From: "Hogan, Tom (Portland)" <Tom.Hogan kla-tencor.com>
Subject: Re: What do I need?
Date: Mon, 4 Dec 2000 05:03:07 -0800


<snip>
> I have unsubscribed from the mailing lists for a while (except this
> one) but there is a man named Dave Williams on the Fordnatics
> list that
> can help you out.  He just built up a 400M for a Pantera that you
> wouldn't believe.  Go to www.listquest.com and check out the
> Fordnatics
> archives for one of his posts.  His website will be in the
> message body
> and he has a ton of info on just about anything Ford that you
> may want.
>  He's always talked about the possibilities of the Midland series
> motors and is quite an accomplished machinist.  Check it out, it will
> be well worth your time, you can tell him I sent you if you want but
> you don't need to.  He's pretty open to questions.
>
> Shane
> 55 F100 5.0
> 15.51 87
> 289 Pinto
>

Try
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.angelfire.com/ar/dw42/index.html

I have contacted him with some questions and he was very helpful.

Tom H.

------------------------------

Date: Mon, 04 Dec 2000 08:50:06 -0800
From: phil <phil ableofficemachines.com>
Subject: Re: ALTERNATOR PROBS..


FLR150 aol.com wrote:

> Phil,
> What year is this on? On the older models, they put a fusible link in the
> wire between the alternator and the battery or starter solenoid. This was a
> cause for an alt failure like you described on my early 80's model stang.
> Pulled the fusible link wire, and put a large gauge wire from the alt to the
> battery with car audio quality terminals, and also did the same on the one
> from the solenoid to the starter. Never had a problem until I totaled it.
>
> Better to be a racer for a moment, than a spectator for a lifetime
> Later,
> Wayne Foy
> 94 Flareside SC
> NLOC #484
> 2000 #4 Top Truck
> 1999 #2 Top Truck
> Atlanta GA
> http://www.ford-trucks.com//lc/lc.php?action=do&link=http://members.aol.com/flr150/index.html
> ICQ#58060858

fuzable link came out long time ago as with resister wire...
been running a MSD-6  mallery promaster coil and a ballast resister and a msd
distrib. for some years.. just installed 9mm wires and msd pro-cap 3 days before
this started happening..
alternator is a ford 135 alt. that has been pulled and taken to two shops for
bench testing...  belts are tight
wires and connections have not changed on it for a year +
both batterys are optima reds..
ran vehicle yesterday and was charging to 14 V..but only ran it less then 20
miles
phil


------------------------------

End of perf-list Digest V2000 #179
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