From: owner-97up-list-digest ford-trucks.com (97up-list-digest)
To: 97up-list-digest ford-trucks.com
Subject: 97up-list-digest V1 #136
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97up-list-digest Thursday, July 2 1998 Volume 01 : Number 136



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Ford Truck Enthusiasts - 1997 and Newer Trucks and Vans
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In this issue:

FTE 97up - Re: 2nd gear grinding
FTE 97up - Re: PSD Fuel Economy was Captains Chairs
FTE 97up - Re: PSD Fuel Economy
FTE 97up - Re: PSD Fuel Economy
FTE 97up - Ford F250SD Vs. F350SD
FTE 97up - Re: V-10
FTE 97up - SuperDuty early impressions
Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs
FTE 97up - A/C Piddling!
RE: FTE 97up - Re: PSD Fuel Economy was Captains Chairs
Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs
FTE 97up - ford fire truck
FTE 97up - Re: Powerstroke economy & oil change interval
Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs
Re: FTE 97up - Re: Powerstroke economy & oil change interval
Re: FTE 97up - A/C Piddling!
Re: FTE 97up - Re: V-10
Re: FTE 97up - ford fire truck
FTE 97up - New 99 F150 information

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Date: Wed, 01 Jul 1998 07:01:37 -0400
From: Lee Haefele
Subject: FTE 97up - Re: 2nd gear grinding

More than likely, you have a problem with the clutch relaesing totally.
There are popular problems with the clutch master or slave cylinders and
also the linkage from the clutch pedal to the master cyl. The slave
cyl is sort of part of the throwout bearing, it is plastic and
unreliable...Requires trans removal to replace, because it encircles
the shaft. Next, the clutch could be bad. Otherwise you may have a
tranny problem, but I run a fleet of 6 f-350s, never had a tranny prob
at less than 110k mi.
Lee Haefele
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Date: Wed, 1 Jul 1998 05:28:54 -0700 (PDT)
From: Steven Baker
Subject: FTE 97up - Re: PSD Fuel Economy was Captains Chairs

2400 RPM 65mph?

I drive a 99 250SD Powerstroke with a 3.73 rear end, empty pulling
nothing done a long country road with no lights for one hour, twice a
day. I set the cruise at 75MPH and let it ride -- my tach is telling
me I am barely over 2100rpm. At 65MPH I am well below 2000rpm, maybe
as low as 1600. Obviously you have a higher rear end ratio.

With only 1250 miles on it I am seeing my milage come in at about
15-16 mpg, though at this point I don't think I can get a real picture
of my milage, though this is consistent with other 99 owners I know in
this area and from this list.

Steve/Texas City, Texas



_________________________________________________________
DO YOU YAHOO!?

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Date: Wed, 1 Jul 1998 10:24:26 EDT
From: JDavis1277 aol.com
Subject: FTE 97up - Re: PSD Fuel Economy

Bob,

Seems like high RPM for 65 mph. My old diesel with E4OD and 4.10 rear runs
about 2200 rpm at 65 mph. I get about 20 mpg with no load at 65 mph. This is
sort of apples and oranges to compare your much more modern PSD with my old 90
7.3 with an after market turbo in a lighter F-250HD. But, you clearly are not
getting even half the economy you should be getting, IMHO. Since your fuel
delivery is computer controlled, the problem almost has to be in the computer.
Make your dealer switch it out and see if that helps. If he can't fix it
otherwise, he owes you at least that much. Have you logged onto Jason
Lester's Ford Diesel Website? It has a lot of good stuff, especially on the
late model PSDs. It's at www.abol.com/users/jlester/ and a lot of folks on
the 97up list who have diesels contribute to the site. Good luck on resolving
this problem, and please keep us informed. Thanks, Butch Davis-
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Date: Wed, 01 Jul 1998 10:34:04 -0500
From: Randy Robb
Subject: FTE 97up - Re: PSD Fuel Economy

Would you post the RPMs at say 45, 50, 55, 60, and 65 mph in 5th and 6th
gear. I'm surprised the RPMs are so high (2400) at 65 mph? I was
expecting around 2000 since OD is a .72 ratio.
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Date: Wed, 01 Jul 1998 09:28:39 -0700
From: Mountain Charlie
Subject: FTE 97up - Ford F250SD Vs. F350SD

I have been thinking of getting a new truck for towing and light
off-roading (ie dirt roads that you couldn't drive a passenger car on). I
have been looking mostly at the new Ford Super Duty lineup and have a
couple of questions about which model to choose.

Both trucks have more than enough capacity for towing and payload for my
needs at the moment. Is it worth it getting the F350 over the F250?
The price difference between identically equipped vehicles is less than
1K.

The truck's configuration is
SRW 4WD
6SP Manual Transmission
7.3l PowerStroke Diesel Engine
Camper Package
Towing Package
Manual Hubs with Manual Transfer Case
Limited Slip Differential
SuperCab
8' Bed

Are there any disadvantages to choosing the F350 over the F250? Which
would you chose and why?

Thanks for the help,

Charlie
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Date: Wed, 01 Jul 1998 12:36:45 -0400
From: Lee Haefele
Subject: FTE 97up - Re: V-10

>A friend of mine ordered the V-10.He recieved a phone call 2 weeks ago >telling
>him the V-10 is no longer available.He ordered the power stroke.

These are 99 vehicles, there will certainly be more V10s before June 99.
What about V-10 power? My V-10 auto, 4.30 replaces similiar 89 F-350
with 460ci, std 5sp 4.10. One long hill that my old truck climbs in 4th
gear at about 45mph (55-60 when new), requires 2nd gear in the new
truck, but will then go any speed I care to rev it to, I think 4000rpm
is about 55. Comments from other owners?
Lee Haefele
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Date: Wed, 1 Jul 1998 09:47:51 -0700
From: alanh galaxy.nsc.com (The Hepburn)
Subject: FTE 97up - SuperDuty early impressions

Hi all.

Now that the '99s have been out for a while and people have
been driving them, what are the early impressions? Has anyone
had any problems with them? How is the new PowerStroke working?
Is the fuel mileage good?

I'm thinking about upgrading my '90 F350 and would like to get a
feel for how people like the '99s.

Thanks.

Alan Hepburn | |
National Semiconductor | Proud to be part of the |
Santa Clara, Ca | Vast Right Wing Conspiracy |
alanh galaxy.nsc.com | |
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Date: Wed, 01 Jul 1998 10:20:48 -0700
From: johny
Subject: Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs

But I'm not sure you guys are comparing apples to apples.
As stated, a F250/F350 is available with 3.73 or 4.10's.

I think the F550's come with 4:88 rear ends.
If the original poster stated that, I don't remember seeing that point.

In any case...
Rough calculations put it in the 2400 RPM range 65 mph with 4.88 a rear.
1800/3.73 = x/4.88 65 mph.

This may not explain all of the 8 MPG, but you are on the outer edge of the
torque curve. RPM Sweet spot on torque looks like it's between 1500 - 2250,
with a significant drop off at 2500 for the PSD.

Try slowing down/ dropping your revs a bit, and try that a bit.
More expensive option is a gear spitter (assuming they have something
that could handle a 550 payload range).


- -john

Steven Baker wrote:

> 2400 RPM 65mph?
>
> I drive a 99 250SD Powerstroke with a 3.73 rear end, empty pulling
> nothing done a long country road with no lights for one hour, twice a
> day. I set the cruise at 75MPH and let it ride -- my tach is telling
> me I am barely over 2100rpm. At 65MPH I am well below 2000rpm, maybe
> as low as 1600. Obviously you have a higher rear end ratio.
>
> With only 1250 miles on it I am seeing my milage come in at about
> 15-16 mpg, though at this point I don't think I can get a real picture
> of my milage, though this is consistent with other 99 owners I know in
> this area and from this list.
>
> Steve/Texas City, Texas
>
> _________________________________________________________
> DO YOU YAHOO!?
> >
> == FTE: Unsubscribe and posting info www.ford-trucks.com/faq.html



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Date: Wed, 01 Jul 1998 14:27:41 -0500
From: "Mike Kling"
Subject: FTE 97up - A/C Piddling!

Hi All,

I just bought a '97 F150 extended cab used and I love it! I haven't been this
enthusiastic about a vehicle in quite a while. I have one problem though, and
it's driving me nuts! The A/C is taking a leak all over my passenger side floor
mat. I've tried taking off the glove box cover and attempted removing the bottom
(plastic) pan on what appears to be the A/C module and cannot get the pan off or
find the drain! The little amount of what drains from what I assume is the normal
location seems to come from right above the passenger side catalytic conveter heat
shield! In my old F250 this problem simply meant re-attaching a hose... Do I need
to get violent with the bottom of the A/C module? Do I need to lower the entire
passenger side of the exhaust (with the hope that I can shoot some compressed air up the

drain)? Where the heck is the darn drain anyway!!!

Many thanks for any help!
Mike K.

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Date: Wed, 01 Jul 1998 16:13:55 -0500
From: "Beaman, James"
Subject: RE: FTE 97up - Re: PSD Fuel Economy was Captains Chairs

johny wrote:

> I think the F550's come with 4:88 rear ends.
> If the original poster stated that, I don't remember seeing that point.
>
> In any case...
> Rough calculations put it in the 2400 RPM range 65 mph with 4.88 a rear.
> 1800/3.73 = x/4.88 65 mph.
>
Isn't the F550 also available with a 5.38:1 rear end? If so, this would put
the revs at 2600 RPM 65 mph using the same formula which I think was pretty
close to the figure given by the original poster. This is definitely going
to do some damage to your mileage. I don't think 8 MPG is too much out of
line for this gearing and truck weight. I think others have also reported
some improvement in mileage as the truck accumulates miles and gets broken
in. Maybe there is some hope that this will happen in your case also.

James Beaman
james.beaman lmco.com
Houston, Texas
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Date: Wed, 01 Jul 1998 15:22:09 -0700
From: johny
Subject: Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs

http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www./scripts/foxweb.exe/prices_specs car\cars?CARID=381800&

F550 options says:
4.88 AXLE RATIO X98

5.38 AXLE RATIO
(REQ: 99S Engine) X95

Looks like 5.38 is only an option on the V10
But yes, 5.38 on a PSD would really cause the mileage to suck. Might explain
why it's *not* an option.


Beaman, James wrote:

> johny wrote:
>
> > I think the F550's come with 4:88 rear ends.
> > If the original poster stated that, I don't remember seeing that point.
> >
> > In any case...
> > Rough calculations put it in the 2400 RPM range 65 mph with 4.88 a rear.
> > 1800/3.73 = x/4.88 65 mph.
> >
> Isn't the F550 also available with a 5.38:1 rear end? If so, this would put
> the revs at 2600 RPM 65 mph using the same formula which I think was pretty
> close to the figure given by the original poster. This is definitely going
> to do some damage to your mileage. I don't think 8 MPG is too much out of
> line for this gearing and truck weight. I think others have also reported
> some improvement in mileage as the truck accumulates miles and gets broken
> in. Maybe there is some hope that this will happen in your case also.
>
> James Beaman
> james.beaman lmco.com
> Houston, Texas
>



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Date: Wed, 01 Jul 1998 16:12:47 -0700
From: johny
Subject: FTE 97up - ford fire truck

http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.cybertron.com/~ebb/firetruck.html

Being a 1940 Ford truck, I'll leave it to Ken to forward to the
appropriate lists :-).

- -john

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Date: Wed, 1 Jul 1998 19:43:50 EDT
From: LanceLana aol.com
Subject: FTE 97up - Re: Powerstroke economy & oil change interval

We are in the process of ordering a 250 SuperDuty Powerstroke 4x4. I know
>that the mileage question is beat to death but this seems to be an important
>issue for most people, including myself. What are some of the readings that
>you SD owners are now getting both towing and empty. Also, what oil change
>interval with the huge oil capacity that these Powerstrokes have?
>
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Date: Wed, 1 Jul 1998 21:39:40 EDT
From: Dirtracr7 aol.com
Subject: Re: FTE 97up - Re: PSD Fuel Economy was Captains Chairs

A 4.50 rear is also an option on the F350.
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Date: Wed, 1 Jul 1998 21:43:43 EDT
From: Dirtracr7 aol.com
Subject: Re: FTE 97up - Re: Powerstroke economy & oil change interval

I am getting 15 mpg in the city,20 on the highway,& 12 towing a trailer.I am
14,000 lbs. with the trailer.I have a 99 crew dually PSD.
Mark
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Date: Wed, 1 Jul 1998 21:41:08 EDT
From: Dirtracr7 aol.com
Subject: Re: FTE 97up - A/C Piddling!

Its the Heater core that went.
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Date: Wed, 1 Jul 1998 21:38:14 EDT
From: Dirtracr7 aol.com
Subject: Re: FTE 97up - Re: V-10

In a message dated 98-07-01 12:38:08 EDT, you write:


What about V-10 power? My V-10 auto, 4.30 replaces similiar 89 F-350
with 460ci, std 5sp 4.10. One long hill that my old truck climbs in 4th
gear at about 45mph (55-60 when new), requires 2nd gear in the new
truck, but will then go any speed I care to rev it to, I think 4000rpm
is about 55. Comments from other owners?
Lee Haefele >>

Well there ain't no V-10s now.He had to spend the xtra $4445.00 for the PSD.
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Date: Wed, 01 Jul 1998 23:03:22 -0400
From: Ken Payne
Subject: Re: FTE 97up - ford fire truck

At 04:12 PM 7/1/98 -0700, you wrote:
>http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.cybertron.com/~ebb/firetruck.html
>
>Being a 1940 Ford truck, I'll leave it to Ken to forward to the
>appropriate lists :-).
>
>-john
>

I've forwarded this to the performance list, I think they'd
get a kick out of it!

- -Ken

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Date: Wed, 01 Jul 1998 23:44:03 -0400....


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