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From: owner-80-96-list-digest ford-trucks.com (80-96-list-digest)
To: 80-96-list-digest ford-trucks.com
Subject: 80-96-list-digest V4 #1
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80-96-list-digest Monday, January 3 2000 Volume 04 : Number 001



=======================================================================
Ford Truck Enthusiasts - 1980-1996 Trucks and Vans
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In this issue:

FTE 80-96 - Re:defroster stallout.
Re: FTE 80-96 - defroster stallout.
FTE 80-96 - RE: defroster stallout
Re: FTE 80-96 - Cracked exhaust
FTE 80-96 - Re: Excessive oil loss thru breather tube
Re: FTE 80-96 - Re: Excessive oil loss thru breather tube
Re: FTE 80-96 - Re: Excessive oil loss thru breather tube
Re: FTE 80-96 - Cracked exhaust
FTE 80-96 - engine swap
Re: FTE 80-96 - engine swap
Re: FTE 80-96 - 96 F250 slave cylinder

=======================================================================

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Date: Sun, 02 Jan 2000 09:35:11 -0500
From: hirisrider mindspring.com>
Subject: FTE 80-96 - Re:defroster stallout.

>Date: Sat, 1 Jan 2000 10:08:19 EST
>From: Robo917 aol.com
>Subject: FTE 80-96 - defroster stallout.
>
>just recently my 90 250 4x4 starting doing something really strange. when
>the engine is warm (351w) and i turn on the heat its fine,but when i switch
>to heat and defrost,or the defroster the engine wants to stall out and
>sometimes does ,has anyone had this troubleand what can i do to fix it? thanks
>== FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html
>
I had a problem similar to this except when I turned mine on, it stalled my
engine.I think your problem is your a/c compressor starting to sieze
up.When you turn on defrost ,it engages your a/c.Good luck
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------------------------------

Date: Sun, 2 Jan 2000 10:41:15 -0600
From: "DannyF" worldnet.att.net>
Subject: Re: FTE 80-96 - defroster stallout.

> just recently my 90 250 4x4 starting doing something really strange. when
> the engine is warm (351w) and i turn on the heat its fine,but when i
> switch
> to heat and defrost,or the defroster the engine wants to stall out and
> sometimes does ,has anyone had this troubleand what can i do to fix it?
> thanks

You've got AC, right? You utilize the AC compressor when your in
any defrost mode. That compressor is putting a load on your engine
that is *supposed* to be compensated for by the idle air bypass
valve(metal cylinder close to the throttle body opening w/wires
connected). The bypass valve is *supposed* to get an increased
signal from the ECM telling it to open up more to raise the idle due
to increased load from the AC compressor.

Does the same thing in any AC mode, right?

There are vacuum systems working here too but I doubt if the small
vac leak created there would be enough to stall a decently tuned
351.

There are ways to isolate the problem to the idle air bypass
valve($55 part at NAPA). Cleaning is also possible cure.

Have a voltmeter? ECM or wiring problem is possible also but the
bypass valve would be my focus initially.
Danny
danf01 worldnet.att.net
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------------------------------

Date: Sun, 2 Jan 2000 12:17:33 -0500
From: Paul M Radecki juno.com>
Subject: FTE 80-96 - RE: defroster stallout

>>just recently my 90 250 4x4 starting doing something really strange.
when
>>the engine is warm (351w) and i turn on the heat its fine,but when i
switch
>>to heat and defrost,or the defroster the engine wants to stall out and
>>sometimes does ,has anyone had this troubleand what can i do to fix it?
thanks

If you have air conditioning, the compressor should engage when you
use defrost. Does the engine stall when you switch on the A/C? I'd
start by troubleshooting the A/C compressor (belts too
loose/tight/misaligned, compressor turning freely, etc).

lordjanusz juno.com
'94 F150
'73 F100

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

Date: Sun, 2 Jan 2000 11:32:34 -0700
From: "Jim Flinchbaugh" onyx.digisys.net>
Subject: Re: FTE 80-96 - Cracked exhaust

oh BTW, did I forget to mention those Dynomax headers
are smog leagal? with a mounting hole for the O2
sensor? and no pipe mods? bolt up to the stock flanges!
so let the EPA look all they want , we'll mod more!!!!
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------------------------------

Date: Sun, 2 Jan 2000 18:16:44 EST
From: WoodStck45 aol.com
Subject: FTE 80-96 - Re: Excessive oil loss thru breather tube

Keith,

My PCV valve in on the other valve cover. Could it still cause this problem?
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------------------------------

Date: Sun, 02 Jan 2000 19:11:25 -0500
From: Martin Horne optonline.net>
Subject: Re: FTE 80-96 - Re: Excessive oil loss thru breather tube

Yes it could.

The PCV Valve allows low pressure from the intake manifold/plenum to suck
air out of the crankcase, thereby causing a low (less than atmospheric)
pressure in the crankcase. This should mean that all the "nasty" pollutants
and vapors in the crankcase get sucked into the intake to be burned in the
cylinder and treated by the catalytic converter, reducing emissions. All
other openings, because the inside of the engine is at less than
atmospheric air pressure, are bleeding air into the crankcase rather than
out of it.
To optimize the scavenging of vapors, the intake and exhaust of this system
are normally designed to be as far apart as possible, hence the intake on
one cover and the return on the other.
Of course, if the PCV Valve gets clogged then the engine will build
pressure in the crankcase which causes vapor and/or oil to exit anywhere it
can. The easiest two places are backward through the little filter under
the air filter and out of the dipstick tube.

BTW, if your PCV valve is clogged, make sure that the tube from it to the
intake plenum is clear when you replace the valve. Mine had apparently been
neglected for a while and the whole thing was solid with oily carbon. It's
up to you how you want to do this - I was replacing the motor so I did it
off the engine and therefore was able to was the whole plenum out when I
was done. Maybe it doesn't matter if it runs through the engine. I don't
know, but I didn't care to find out the hard way. Any thoughts from anyone
out there?

At 06:16 PM 1/2/00 -0500, you wrote:
>Keith,
>
>My PCV valve in on the other valve cover. Could it still cause this problem?
>== FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html

Martin Horne
'86 Bronco
Long Island, NY
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------------------------------

Date: Sun, 2 Jan 2000 16:15:52 -0800
From: "Pinson" speakeasy.org>
Subject: Re: FTE 80-96 - Re: Excessive oil loss thru breather tube

The excessive oil loss though the breather is caused by the build up of
pressure in the crank case. This is usually due to a plugged pcv valve or
excessive engine blow-by from worn rings.

Britt Pinson
pinson speakeasy.org

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

Date: Sun, 02 Jan 2000 19:26:51 -0500
From: Martin Horne optonline.net>
Subject: Re: FTE 80-96 - Cracked exhaust

Just as an item of interest, I have replaced my entire system with shorty
headers from JC Whitney and a Y pipe, Cat and Cat-back all from Discount
Converters Ltd in Houston. The whole system ran a little under $600, not
bad when Ford wanted $800 for the Y pipe/cat and nearly $100 a go for the
manifolds. Not only is it pleasantly quiet, but with a throaty rumble, but
the performance seems to be improved and it sailed the NY inspection the
other day with only a 3 out of a permissable 220 HC and no reading on the
CO. (Working from memory on the permissable HC number - it's cold out and
the certificate is in the truck still!) The headers have a CARB plate
welded to them. The mechanic seemed shocked that it achieved such a reading
with headers on.


At 11:32 AM 1/2/00 -0700, you wrote:
>oh BTW, did I forget to mention those Dynomax headers
>are smog leagal? with a mounting hole for the O2
>sensor? and no pipe mods? bolt up to the stock flanges!
>so let the EPA look all they want , we'll mod more!!!!
>== FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html

Martin Horne
'86 Bronco
Long Island, NY
== FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html

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

Date: Sun, 2 Jan 2000 19:38:30 EST
From: Lingus0169 aol.com
Subject: FTE 80-96 - engine swap

hi,
i am putting a 82 bronco 351w in a 85 f150 xl truck that had a 300 i6. Has
anyone done this before? I know i need new mounting engine brackets that
bolt to the cross member and the chasis. If anyone has experiance with doinf
this, ur helpful hints would be appreciated.
happy new year
nick koinski
mohrsville,pa
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------------------------------

Date: Sun, 2 Jan 2000 19:48:25 EST
From: Lingus0169 aol.com
Subject: Re: FTE 80-96 - engine swap

hi another question... do i need the computer proccessor to start the
351w..it is not fuel injected..regular 4bbl..and is there a carbuerater that
works the best with this engine?
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------------------------------

Date: Mon, 03 Jan 2000 18:42:24 +1100
From: les williams cyber.net.au>
Subject: Re: FTE 80-96 - 96 F250 slave cylinder

Hi Dennis,
I have been waiting to see what the answer was, and there isn't any!! or
did you get private e-mail solutions to your question.
For what it's worth, a quick answer would be: if the s/cylinder is external,
then maybe DIY- if internal to the bell housing then maybe a shop job. Of
course you wouldn't pull the bell housing without doing a clutch job at the
same time, would you?.
You can come on right over and we'll fix it for you, and chuck a Prawn or
three (sorry, Shrimp) on the B-B-Q at the same time ;-))

regards
Les
Lost in the Land of OZ

Dennis Thompson wrote:

> My neighbor has a 96 F250, manual transmission with a leaking slave
> cylinder.
> Is this a tough do-it-yourself job, or should he take it to the shop?
> Anyone out there do this?
> Thanx,
> SPECTRE
>
> == FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html....


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