small-list-digest V4 #3

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small-list-digest Wednesday, January 5 2000 Volume 04 : Number 003

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Ford Truck Enthusiasts - Ranger, Explorer, Bronco 2 and Aerostar
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In this issue:

Re: FTE Small - Injection Schemes
FTE Small - Fuel systems and Brakes
RE: FTE Small - 97 Explorer 5.0L weirdness
RE: Re: FTE Small - Injection Schemes
FTE Small - 91 Explorer trany problem
Re: FTE Small - 91 Explorer trany problem
RE: FTE Small - 97 Explorer 5.0L weirdness
FTE Small - U joint Replacement Tool
Re: FTE Small - U joint Replacement Tool
Re: FTE Small - U joint Replacement Tool

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

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

Date: Tue, 04 Jan 2000 09:27:18 -0500
From: David Cooley bellsouth.net>
Subject: Re: FTE Small - Injection Schemes

At 07:39 PM 1/3/2000 -0800, you wrote:
>Hey Mike,
>
>Well, these are THE summit injectors. We'll see what they can do. I have
>not yet
>changed the headers, and I haven't messed with the throttle body because I was
>told it would raise the peak torque point (2600 rpm) and since this is a 4x4
>that sees the trails, I would like to keep peak torque a bit low.
>
>What do you think?

Throttle won't change the torque peak. It only changes the amount of air
that can enter the engine at WOT, and the shape of the crank that opens it
may change the feel of how the throttle responds. Engine torque will be
determined by Cam, compression ratio, intake manifold runner length and
plenum volume, Exhaust headers and exhaust system. (fuel will have some to
do with it, but the tuning of the fuel, if proper for the engines setup
will change by the items listed).

===========================================================
David Cooley N5XMT Internet: N5XMT

bellsouth.net
Packet: N5XMT

KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
===========================================================

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

Date: Sat, 05 Jan 1980 09:31:13 -0500
From: "Kenneth L. Winter" centurytel.net>
Subject: FTE Small - Fuel systems and Brakes

Can some one share information about the fuel system on a 1998 Ford Range Step
side? Does that truck use a two stage fuel pump system? That is a small
delivery pump to feed the main pump. Either way what is the operating pressure
of the system and where is the pressure regulator located. I am trying to
hook the Ford fuel tank to another type of vehicle that uses two fuel pumps.
The other car maintains 53 lb. of fuel pressure.

Question 2. What volume of brake fluid is required to actuate the rear
brakes. This too will be hooked a different type of car, so I need to know if I
will have adequate fluid volume.

Kenneth WInter
East TN

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

Date: Tue, 4 Jan 2000 10:21:42 -0600
From: Mike Harms bechamp.com>
Subject: RE: FTE Small - 97 Explorer 5.0L weirdness

>Date: Mon, 03 Jan 2000 21:13:05 -0500
>From: David Cooley bellsouth.net>
>Subject: FTE Small - 97 Explorer 5.0L weirdness

...
>My 97 Explorer V8 AWD has pulled a weird one on my 3 times now.
>Running fine, stop at a light, light turns green, start off, get to about
>5-10MPH, and it feels like someone turned off the key for about 1-1.5
>seconds, then lurches forward and goes like normal.
>All guages working fine during this, no CE light or stored codes.
>It did it twice in 2 days about 3 months ago, and hasn't done it again
>until tonight.

Do you have a tachometer? Does the Tach drop off as well? Just trying to
determine if the engine is actually dropping power, or if this could be a
driveline issue instead. Does the lurch feel like the engine starting due
to being in gear and rolling, or more like a slipping clutch finally
grabbing? (A lurch that starts with a yank, compared to a push)? You would
think a TPS issue would throw a code. If you have a tach and it drops to
zero during this problem then certainly it's something in power side of
things (Ignition switch?, Ignition Components?, something loose grounding
out?). Otherwise it could be a fuel thing as well. It isn't revving too
high is it? I believe there is a rev limiter or most new engines.

Just some thoughts.
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------------------------------

Date: Tue, 4 Jan 2000 10:34:52 -0600
From: Mike Harms bechamp.com>
Subject: RE: Re: FTE Small - Injection Schemes

You should really take your question to that web board. I'm very new to
performance mods on the 2.9 so anything I say is just what I've picked up
over there.

I have to remember my reading on intake systems. I seem to remember that
low rpm performance is affected by intake runner length. Shorter runners
equal better low rpm performance and longer runners work to improve top end
performance. I believe this was the reasoning behind the intake manifold in
the V6 versions of the Taurus SHO that used butterflies in the intake
runners to keep the longer runners closed at low RPM's and only opened them
up at wide open throttle or higher rpm's. I'm not certain I have a good
grasp of the concept be hind this, but know this. The changes to the 2.9
Intake system are done to increase the volume of air that can be taken into
the engine. The lengths of the passages to the intake ports are not changed
in any dramatic way so I would tend to think that the stock torque curve
will remain pretty much the same. With a larger volume of air able to enter
the engine it should produce better power across the entire RPM band but
with better improvements at higher RPM's where then engine normally might be
starved. (assuming it can exhaust the extra air it now is taking in)

Check out the web board I referenced. There are at least 4 guys there that
have done many mods to the 2.9 and can give you real world knowledge.

>Date: Mon, 03 Jan 2000 19:39:50 -0800
>From: Adam McLaughlin jps.net>
>Subject: Re: FTE Small - Injection Schemes

>Hey Mike,

>Well, these are THE summit injectors. We'll see what they can do. I have
not yet
>changed the headers, and I haven't messed with the throttle body because I
was
>told it would raise the peak torque point (2600 rpm) and since this is a
4x4
>that sees the trails, I would like to keep peak torque a bit low.

>What do you think?
>> ...
>> >I have a rebuilt 2.9, using World Heads, an MSD 6A, MSD Super Conductor
>> >Wires, Blaster 2 coil, Champion Truck plugs and a James Duff Power Chip.
>> >The motor breathes through Flowmaster series 50 muffler and a K and N
>> >intake. The EFI system is rebuilt with all new components, and the self
>> ...
>> >I am looking at the ADS Super Injectors that Summit sells for the 2.9.
>> >For $379, they have a new set of Injectors that are supposed to be "all
>> >that". Their ad claims more precise fuel metering, and far less fuel
...

>> Check out the following web board and post your question there:
>> http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.ford ranger.

com/wwwboard3.html
>> fuel. You don't say that you added headers, and you don't say that you
>> added a ported intake system or if you have the throttle body from the
86-87
>> Ranger/Bronco engines. Without those type of mods you probably haven't
>> affected your engine's capacity for air flow all that much. Thus your
>> current injectors can probably still deliver enough fuel to keep the
engine
...
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------------------------------

Date: Tue, 4 Jan 2000 17:03:23 -0500
From: "Steve Nash" erols.com>
Subject: FTE Small - 91 Explorer trany problem

Group,

My Explorer is having a strange problem. It is a '91 automatic with 167,000
miles on it. It is losing trany fluid at the rate of about 1 quart every
200 miles or so. I park in the same spot at home and work and see no
leaking or driping fluid under the truck. Any thoughts on where it could be
going?

Steve

P.S. It drives fine, shifts are smooth, no slipping untill it get low on
fluid then all bets are off.

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

Date: Tue, 4 Jan 2000 17:48:38 -0600
From: "Dennis Thompson" bellsouth.net>
Subject: Re: FTE Small - 91 Explorer trany problem

- ----- Original Message -----
From: "Steve Nash" erols.com>
To: ford-trucks.com>
Sent: Tuesday, January 04, 2000 4:03 PM
Subject: FTE Small - 91 Explorer trany problem

> Group,
>
> My Explorer is having a strange problem. It is a '91 automatic with
167,000
> miles on it. It is losing trany fluid at the rate of about 1 quart every
> 200 miles or so. I park in the same spot at home and work and see no
> leaking or driping fluid under the truck. Any thoughts on where it could
be
> going?

It's probably getting sucked into the intake manifold and burned.
Check the tranny's vacum modulator, the diaphram is probable ruptured.

SPECTRE

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

Date: Tue, 04 Jan 2000 22:11:02 -0500
From: David Cooley bellsouth.net>
Subject: RE: FTE Small - 97 Explorer 5.0L weirdness

At 10:21 AM 1/4/2000 -0600, you wrote:

>Do you have a tachometer? Does the Tach drop off as well? Just trying to
>determine if the engine is actually dropping power, or if this could be a
>driveline issue instead. Does the lurch feel like the engine starting due
>to being in gear and rolling, or more like a slipping clutch finally
>grabbing? (A lurch that starts with a yank, compared to a push)? You would
>think a TPS issue would throw a code. If you have a tach and it drops to
>zero during this problem then certainly it's something in power side of
>things (Ignition switch?, Ignition Components?, something loose grounding
>out?). Otherwise it could be a fuel thing as well. It isn't revving too
>high is it? I believe there is a rev limiter or most new engines.

The tach never reaches zero... RPM's when it happens are between 2000 and
2500, then they drop to 600-700 (a bit below 1000). It's like someone
killed the ignition, or you took your foot completely off the gas for the
1-1.5 seconds then tromped it back to where it was. Have double checked
the harness at the EEC, made sure it didn't have water/corrosion in the
connector, checked the connectors at the ignition modules/coil packs and
all the sensors. Very weird... Just don't want it to leave me stranded
somewhere...

===========================================================
David Cooley N5XMT Internet: N5XMT

bellsouth.net
Packet: N5XMT

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