fordtrucks80up-digest Monday, February 23 1998 Volume 02 : Number 069



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

Loose Mirrors [John Cassis ]
Re: States & Cats [Bill Funk ]
Re: Ranger: Loose driver/passenger mirrors? ["Randy L. Hatcher"
RE: 1999 SD HUBS ["Union Auto" ]
Rear Differential Question [John Cassis ]
Re: 302 hp? ["David J. Baldwin" ]
RE: 302 hp? ["Rio, Tony" ]
Re: fuelpump doesnt shut-off ["David J. Baldwin" ]
Re: fuelpump doesnt shut-off [Mark Ponsford ]
Re: 302 exhaust [Randall Wer ]
Re: 302 hp? [ACMERCG aol.com]
Re: 302 hp? [ACMERCG aol.com]
Tranny--which one? [Jim Craig ]
4.9L F150 Gas Mileage [Derek Whiteside ]
RE: 4.9L F150 Gas Mileage ["Rio, Tony" ]
RE: Tranny--which one? ["Rio, Tony" ]
Re: fuelpump doesnt shut-off [Brian Perwak ]
Re: F150 Gas Mileage [ACMERCG aol.com]
Re: fuelpump doesnt shut-off [Brian Perwak ]
Re: Tranny--which one? [Jonathan Everly ]
Re: Tranny--which one? [William Martin ]
Cat Converters [Stephen Hansen ]
Re: 4.9L F150 Gas Mileage [Bakend aol.com]
EEC tests ["Casey Vandor" ]
Re: Tranny--which one? [Jonathan Everly ]
gears Vs horsepower [Jonathan Everly ]
Re: 4.9L F150 Gas Mileage [bgap RAPIDNET.COM]
Re: gears Vs horsepower [Randy ]
Re: F150 Gas Mileage [Randy ]
Re: F150 Gas Mileage [Lehmandp aol.com]
87' Ranger questions [Greg Kolander ]

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

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

Date: Mon, 23 Feb 1998 06:25:06 -0600
From: John Cassis
Subject: Loose Mirrors

My friends 91' does the same thing, he just wedged a piece of rubber in between the piece that swivels to make it stay in place.

John Cassis
93' STX 4x4 3.0/5-speed

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

Date: Mon, 23 Feb 1998 06:05:02 -0700
From: Bill Funk
Subject: Re: States & Cats

> From: "Ryan Penner"
> Subject: Re: Bronco spare/etc.
>
> - -----Original Message-----
> From: Randall Goolsby
> To: fordtrucks80up ListService.net
> Date: Sunday, February 22, 1998 9:19 AM
> Subject: re: Bronco spare/etc.

...

>
>
> Does anyone know If you live in a state that requires a catalytic
> convertor,
> can you change it out to something better without getting in trouble?
>
> Thanks.

There may be some confusion, here.
States don't require catalytic converters; Federal laws do.
(Some states have inspections that check to see if the cats are
physically
present, others don't.)
There are *NO* states that allow you to remove a cat if the vehicle came

equipped with one from the factory, for on-road use.
There are *SOME* states (California comes to mind) that will not allow
the owner to alter the exhaust configuration from the original (as far
as
emissions are concerned), even to make it better (e.g., replacing a
single
cat system to duals).

Bill Funk

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

Date: Mon, 23 Feb 1998 09:12:09 -0500 (EST)
From: "Randy L. Hatcher"
Subject: Re: Ranger: Loose driver/passenger mirrors?

I have a 1986 Ford Ranger and my mirrors are so loose that they need
replacement!!

On Sun, 22 Feb 1998 Bakend aol.com wrote:

> In a message dated 98-02-21 17:44:31 EST, you write:
>
> > Has anyone else with an '88 Ranger or any year for that matter had a
> > problem with loose rearview mirrors(passenger and driver side)?
> I have a 1987 ranger and the mirrors are too tight to even adjust! Not much
> help I know but you asked.
> D Baken
> +--------------- Ford Truck Enthusiasts - 1980 - 1996 ----------------+
> | Send posts to fordtrucks80up listservice.net, |
> | List removal instructions on the website. |
> +----------------- Site: http://www.ford-trucks.com -----------------+
>

afn23242 afn.org
Randy Hatcher

- ------------------------------------------------------------------------
those that have minds don't use them,those that do can't think straight.

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

Date: Mon, 23 Feb 1998 08:37:41 -0600
From: "Union Auto"
Subject: RE: 1999 SD HUBS

The Hubs in the 1999 are either traditional manual hubs with "free" and
"lock" positions or if you order the optional electronic shift on the fly
you get the Pulse vacuum hubs like the 1998 Ranger (much better than the old
auto locking hubs). This has the knob on the dash instead of the floor
mounted "help me lever". The hubs have a "auto" setting that will lock and
unlock as you engage and disengage 4x4 and also a "lock" setting that
overrides the hubs and leaves the front end locked in.

As for trailer wiring 4 pin wiring is standard on all Super Duty's. If
you order trailer towing you get the seven wires but there is no plug
attached this year (4 out of 5 we sold previously had to cut this plug off
because they had different ones on their trailers) The wires are taped to
the loom off that 4 pin harness just behind the bumper.


Hope this helps

Nathan Bernard
Union Auto, Inc. Ford Mercury
Union, IA 50258
unionaut adiis.net

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

Date: Mon, 23 Feb 1998 09:32:43 -0600
From: John Cassis
Subject: Rear Differential Question

Ok I'm not a expert mechanic, but a bit of a shade tree. But this is how =
I would understand it to work. With your 345 diff. You probly get real =
good milage on the highway and not quite as well milage intown driving. =
Say you switch to 373 gears. Your milage intown would increase while =
your highway milage would decrease. If you were to go to a 308 gear the =
result theoreticaly would be even greater highway milage yet worse =
intown. Now your factory gear set-up works with your tire size. If you =
dont plan on changing your tire size leave the gearing alone. In my case =
I went to taller tires. This made the lower gears realy strech out. I =
can keep my truck in third gear all the way up to about 75-78mph at =
about 5500 - 5800 rpms. Its pretty cool, but when I'm cruzing on the =
highway in 5th gear and come up to a hill the truck is a dog. I need to =
go with a lower gear I have a 373 and need to put a 410 in to be a stock =
ratio. I hope I've shed some light on this for you I'm shure someone out =
there can give a little bit better explanation and example. My point is =
that if you havent changed your tire size dont the gear. Anyway - nuff =
said.

John Cassis
93' STX 4x4 3.0/5-speed

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

Date: Mon, 23 Feb 1998 09:41:32 -0600
From: "David J. Baldwin"
Subject: Re: 302 hp?

Joe,

My AODE has "AODE" stamped on the heat shield where the exhaust tubing runs by.

ACMERCG aol.com wrote:

> I'm not sure if I have an AOD or an E4OD..How can I tell? How did your
> Eletrical work out to be? I'm especially intrested in the firing order. So
> the HO and truck short blocks are the same? physically and internally?

- --
Best Regards,

Dave Baldwin
Dallas, TX
- --------------------------------------------------------------

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

Date: Mon, 23 Feb 1998 10:08:14 -0600
From: "Rio, Tony"
Subject: RE: 302 hp?

My F150 has the E40D stamped on the the heatshield, just like the AODE

Tony Rio
Allstate Enterprise Help Center
PRC Analyst \ Integration Owner
Trio1 Allstate.com
(W) 847.402.9386


> -----Original Message-----
> From: David J. Baldwin [SMTP:fordtrucks80up listservice.net]
> Sent: Monday, February 23, 1998 9:41 AM
> To: fordtrucks80up listservice.net; baldwin ti.com
> Subject: Re: 302 hp?
>
> Joe,
>
> My AODE has "AODE" stamped on the heat shield where the exhaust tubing
> runs by.
>
> ACMERCG aol.com wrote:
>
> > I'm not sure if I have an AOD or an E4OD..How can I tell? How did
> your
> > Eletrical work out to be? I'm especially intrested in the firing
> order. So
> > the HO and truck short blocks are the same? physically and
> internally?
>
>
> ------------------- Part.001 follows -------------------
> Best Regards,
>
> Dave Baldwin
> Dallas, TX
> --------------------------------------------------------------
>
>
> +--------------- Ford Truck Enthusiasts - 1980 - 1996
> ----------------+
> | Send posts to fordtrucks80up listservice.net,
> |
> | List removal instructions on the website.
> |
> +----------------- Site: http://www.ford-trucks.com
> -----------------+

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

Date: Mon, 23 Feb 1998 10:02:09 -0600
From: "David J. Baldwin"
Subject: Re: fuelpump doesnt shut-off

Croth2 aol.com wrote:

> I have an 89 F-150 with a 302. after I shut the engine off, The fuel pump
> still pumps and buzzes loudly for 5 minutes before it shuts off, I'm almost
> positive its the fuel pump because when I switch to my empty tank I can hear
> it sucking air. I cant figure out why it does this, does it have something

Please don't do this: the fuel pump depends on fuel passing through it to cool
itself. If you "suck air" with it, you'll be getting a new one soon.

Sorry, but I don't know why it's continuing to pump. Someone else might know.
Just make sure that you don't let your tanks run dry.

- --
Best Regards,

Dave Baldwin
Dallas, TX
- --------------------------------------------------------------

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

Date: Mon, 23 Feb 1998 09:18:34 -0800
From: Mark Ponsford
Subject: Re: fuelpump doesnt shut-off

>I have an 89 F-150 with a 302. after I shut the engine off, The fuel pump
>still pumps and buzzes loudly for 5 minutes before it shuts off, I'm almost
>positive its the fuel pump because when I switch to my empty tank I can hear
>it sucking air. I cant figure out why it does this, does it have something
>to do with my fuel filter or my fuel pressure regulator??? The truck also
>idles anywhere between 400 and 2,500RPM and sometimes dies when it idles, and
>it gets bad gas mileage.
>I just bought this truck and I want to get it running great. Any
>suggestions???

I had this happen to me with my '88 F-150 302. The problem turned out to be
the fuel pump relay. I was able to isolate the problem to the relay by
tapping the relay housing when the pump didn't turn off. I believe there is
a Ford TSB on this problem.

There are two relays right next to eachother just behind the air cleaner.
One is for the computer, the other is for the fuel pump. Sorry, but I don't
remember which is which.


- -------------------------------------------------------------------------
Mark Ponsford
Phone: (250) 721-7397 Email: mponsfor uvic.ca

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

Date: Mon, 23 Feb 1998 09:29:02 -0800 (PST)
From: Randall Wer
Subject: Re: 302 exhaust

There has been a lot of talk about exhausts for 351 engines. I was
wondering, what kind of effect on performance and sound could I expect
from putting one of these exhausts on a 302?

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

Date: Mon, 23 Feb 1998 12:30:37 EST
From: ACMERCG aol.com
Subject: Re: 302 hp?

In a message dated 98-02-22 21:13:38 EST, you write:


w/E4OD
control, then I could install the H.O. cam and change the timing in my 5.0L
to
match the 5.8L. However, I would give up the 4x4 lamp on the dash, since
this
computer is intended for the 2-wheel drive Lightning.
>>
I get it now.....

Joe
acmercg aol.com
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://members.aol.com/ACMERCG/index.html

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

Date: Mon, 23 Feb 1998 12:33:03 EST
From: ACMERCG aol.com
Subject: Re: 302 hp?

In a message dated 98-02-23 10:58:02 EST, you write:


by. >>
Have to check that out today...So there are 3 trannies for those Fords trucks?

Joe
acmercg aol.com
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://members.aol.com/ACMERCG/index.html

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

Date: Mon, 23 Feb 1998 13:22:29 -0600
From: Jim Craig
Subject: Tranny--which one?

Am I correct in assuming that an overdrive will help mileage? Right now, I
get 13-15mpg with a 351M, C-6, turning 3.08's. My old man's '90 with a 302
and E4OD gets 15-17. Did someone say he gets 15 with a 460?! I want an
overdrive to help highway RPMs, and so I can lower my rear end ratio for
better acceleration :-) What OD will fit the 351M/400/429/460 pattern? And
as far as autos go, where does the computer fit in? Thanks.

Jimbo
77 Supercab 351M
90 F150 302
460 collecting dust

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

Date: Mon, 23 Feb 1998 10:31:43 -0800 (PST)
From: Derek Whiteside
Subject: 4.9L F150 Gas Mileage

David Anderson wrote:
My recently purchased F-150 seams to be getting about 13 MPG town and 16
on the road. EPA lists 16/20 and in my past experience is usually
conservative. It's an XLT 4x2, 4.9L six, E4OD, 8 ft bed, 2 tanks,
standard cab with 90K miles in very good running condition. It does
have 235 tires instead of 215's. I was expecting better out of the six.
Anyone know what I should expect? - David

David: I have a 92 F150 Supercab 4x2 with the 4.9L six and a 5-speed.
I also have been disappointed with the mileage; I run mid-grade fuel,
and I get about 15mpg, which is sorta 1/2 city, 1/2 highway driving.
I'll admit that I could go a little easier on the gas pedal. I don't
always drive for economy. Anyhow, If you haven't, you may want to look
into a tuneup; proper timing setting is supposed to help a lot with
regards to mileage.

wishin' I could get 20 mpg highway,

Derek Whiteside
92 F150 XLT SuperCab 4.9L/5-speed
Corvallis, OR




_________________________________________________________
DO YOU YAHOO!?

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

Date: Mon, 23 Feb 1998 12:41:24 -0600
From: "Rio, Tony"
Subject: RE: 4.9L F150 Gas Mileage

David....

I own a '94 with the 4.9L six and 83k. I have seen average 18 town, 22
highway. Just recently it dropped by a couple of gallons to about
15/18, but I am expecting that once I run some Fuel Injector cleaner
through it and do plugs, cap and rotor, air filter, et... it will clear
back up. I have almost the same truck you do and when my fuel
consumption has gone up in the past, once I do a good thorough tune-up,
the MPG corrects itself.

An interesting side note: Here in the Chicagoland area, the 4.9 six is
like gold. I am looking for an Explorer for my wife, and every time I
stop at a dealer, they always inquire how I like my truck. Once I tell
them I have that engine in the truck, they slobber all over themselves
trying to get me to trade that in instead of our '89 Probe. When the
4.9 is running in top condition, it's my experience that it's a horse.

Tony Rio
Allstate Enterprise Help Center
PRC Analyst \ Integration Owner
Trio1 Allstate.com
(W) 847.402.9386


> -----Original Message-----
> From: Derek Whiteside [SMTP:fordtrucks80up listservice.net]
> Sent: Monday, February 23, 1998 12:31 PM
> To: fordtrucks80up listservice.net; derekw rocketmail.com
> Subject: 4.9L F150 Gas Mileage
>
> David Anderson wrote:
> My recently purchased F-150 seams to be getting about 13 MPG town and
> 16
> on the road. EPA lists 16/20 and in my past experience is usually
> conservative. It's an XLT 4x2, 4.9L six, E4OD, 8 ft bed, 2 tanks,
> standard cab with 90K miles in very good running condition. It does
> have 235 tires instead of 215's. I was expecting better out of the
> six.
> Anyone know what I should expect? - David
>
> David: I have a 92 F150 Supercab 4x2 with the 4.9L six and a 5-speed.
> I also have been disappointed with the mileage; I run mid-grade fuel,
> and I get about 15mpg, which is sorta 1/2 city, 1/2 highway driving.
> I'll admit that I could go a little easier on the gas pedal. I don't
> always drive for economy. Anyhow, If you haven't, you may want to look
> into a tuneup; proper timing setting is supposed to help a lot with
> regards to mileage.
>
> wishin' I could get 20 mpg highway,
>
> Derek Whiteside
> 92 F150 XLT SuperCab 4.9L/5-speed
> Corvallis, OR
>
>
>
>
> _________________________________________________________
> DO YOU YAHOO!?
> >
> +--------------- Ford Truck Enthusiasts - 1980 - 1996
> ----------------+
> | Send posts to fordtrucks80up listservice.net,
> |
> | List removal instructions on the website.
> |
> +----------------- Site: http://www.ford-trucks.com
> -----------------+

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

Date: Mon, 23 Feb 1998 12:44:55 -0600
From: "Rio, Tony"
Subject: RE: Tranny--which one?

Jimbo....

If I am correct, OD lowers the Rpm's when out cruising at higher
speeds... I would think this would definitely gain you some extra fuel.
Mine is the F150 with the "push-button" OD on the E40D, and there is a
distinct fuel economy difference when it is on.

Tony Rio
Allstate Enterprise Help Center
PRC Analyst \ Integration Owner
Trio1 Allstate.com
(W) 847.402.9386


> -----Original Message-----
> From: Jim Craig [SMTP:fordtrucks80up listservice.net]
> Sent: Monday, February 23, 1998 1:22 PM
> To: jcraig CLEMSON.EDU; fordtrucks80up listservice.net
> Subject: Tranny--which one?
>
> Am I correct in assuming that an overdrive will help mileage? Right
> now, I
> get 13-15mpg with a 351M, C-6, turning 3.08's. My old man's '90 with
> a 302
> and E4OD gets 15-17. Did someone say he gets 15 with a 460?! I want
> an
> overdrive to help highway RPMs, and so I can lower my rear end ratio
> for
> better acceleration :-) What OD will fit the 351M/400/429/460
> pattern? And
> as far as autos go, where does the computer fit in? Thanks.
>
> Jimbo
> 77 Supercab
> 351M
> 90 F150 302
> 460 collecting
> dust
>
> +--------------- Ford Truck Enthusiasts - 1980 - 1996
> ----------------+
> | Send posts to fordtrucks80up listservice.net,
> |
> | List removal instructions on the website.
> |
> +----------------- Site: http://www.ford-trucks.com
> -----------------+

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

Date: Mon, 23 Feb 1998 13:55:11 -0500
From: Brian Perwak
Subject: Re: fuelpump doesnt shut-off

At 09:18 AM 2/23/98 -0800, you wrote:
>>I have an 89 F-150 with a 302. after I shut the engine off, The fuel pump
>>still pumps and buzzes loudly for 5 minutes before it shuts off, I'm
almost
>>positive its the fuel pump because when I switch to my empty tank I can hear
>>it sucking air. I cant figure out why it does this, does it have something
>>to do with my fuel filter or my fuel pressure regulator??? The truck also
>>idles anywhere between 400 and 2,500RPM and sometimes dies when it idles,
and
>>it gets bad gas mileage.
>>I just bought this truck and I want to get it running great. Any
>>suggestions???


It sounds to me like the fuel pump relay. I am surprised that it hasn't
drained your battery yet. The relay is located aft of the air cleaner. It
is a standard SPST relay, w/ 4 connections ground, switch, 12V IN, and 12V
OUT. I had a problem with water getting into my relay (89 F-250) and
shorting it out, this may be your problem. Since the FORD relay cost $25 +
I installed a $5.00 radio shack relay, which is sealed much better and is
cheaper. Contact me off the list if you want the part #'s of both relays.

Good Luck,

Brian Perwak

'89 F-250 XLT Lariat

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

Date: Mon, 23 Feb 1998 14:04:38 EST
From: ACMERCG aol.com
Subject: Re: F150 Gas Mileage

what would be the proper timing for an 92 F-150 XLT 4X4 5.0 AOD?

THANKS,

Joe
acmercg aol.com
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://members.aol.com/ACMERCG/index.html

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

Date: Mon, 23 Feb 1998 16:17:53 -0500
From: Brian Perwak
Subject: Re: fuelpump doesnt shut-off

>Return-Path:
>X-Sender: jmrandal facstaff.wisc.edu
>Date: Mon, 23 Feb 1998 15:12:11 -0600
>To: bcperwak WPI.EDU
>From: "John M. Randall"
>Subject: Re: fuelpump doesnt shut-off
>
This was sent to me by accident. i think that the sender wanted to post it.

>At 01:55 PM 2/23/98 -0500, you wrote:
>>At 09:18 AM 2/23/98 -0800, you wrote:
>>>>I have an 89 F-150 with a 302. after I shut the engine off, The fuel pump
>>>>still pumps and buzzes loudly for 5 minutes before it shuts off, I'm
>>almost
>>>>positive its the fuel pump because when I switch to my empty tank I can
hear
>>>>it sucking air. I cant figure out why it does this, does it have
something
>>>>to do with my fuel filter or my fuel pressure regulator??? The truck
also
>>>>idles anywhere between 400 and 2,500RPM and sometimes dies when it idles,
>>and
>>>>it gets bad gas mileage.
>>>>I just bought this truck and I want to get it running great. Any
>>>>suggestions???
>>
>
>
>You could be having bad gas mileage due to your regulator (high fuel
>pressure), CHECK your gas pressure. That might cause a high idle and shut
>down after idleing and then accelerating. Sounds like the problems I had on
>a vw bus.
>
>I would also look at the relay for the constant running fuel pump, perhaps
>the contacts are welded togeather.
>
>John
>
>
>

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

Date: Mon, 23 Feb 1998 17:36:30 +0000
From: Jonathan Everly
Subject: Re: Tranny--which one?

Jim

I have a friend that had a F350 with a 460 and a 5 speed. He got 14MPG with the
stock tires. Although his mileage did go down to 5 with 38 inch tires 14 seems
pretty good seeing as though I get only 11 with my 351w.

Jake

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

Date: Mon, 23 Feb 1998 14:57:12 -0800
From: William Martin
Subject: Re: Tranny--which one?

Jonathan Everly wrote:
>
> Jim
>
> I have a friend that had a F350 with a 460 and a 5 speed. He got


What model trans was that? I'm interested in a stick shift thats strong
enough for a 460 in a 1-ton...

Bill

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

Date: Mon, 23 Feb 1998 17:29:53 -0600
From: Stephen Hansen
Subject: Cat Converters

I must comment on your willingness to put a pipe through your Catalytic
converter for the performance gain. Remember this list service covers
the entire USA and many areas do emissions testing, and that could cause
it to fail. A replacement Catalytic costs about $500, so think carefully
before you do any damage to it. Pay attention to what changes are coming
up in your local vehicle laws. The Catalytic Converter doesn't cause a
lot of resistance, but some. I would bet that a quality set of headers
could do more for the system than ramming a pipe through it. Also check
on a performance Cat. My 351 Y'ed into one pipe then into the Catalytic
Converter, then exited it into dual exhausts. If your engine is running
clean and the Oxygen sensor is operating properly (no check engine
light) than the chances of the cat being plugged is minimum. The exhaust
shop will drill a small hole before and after the catalytic converter
and do a pressure differential check to see if it is clogged. If I had
to do it over again, I would leave the Catalytic converter in place and
not mess with it at all.
Steve
83' LTD II
92' F-250 XLT Supercab
50' F-1, Flathead 8.. (some assembly required)

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

Date: Mon, 23 Feb 1998 19:14:02 EST
From: Bakend aol.com
Subject: Re: 4.9L F150 Gas Mileage

In a message dated 98-02-23 13:30:31 EST, you write:

> wishin' I could get 20 mpg highway,
>
> Derek Whiteside
> 92 F150 XLT SuperCab 4.9L/5-speed
> Corvallis, OR
>
I get 20 mpg with my 87 Ranger 2.9 5spd od and you want 20 with a 4.9
fullsize? There has to be a trade off somewhere. I would prefer the fullsize
and bigger engine but opted for better milage and live with the smaller truck.
Can't seem to have cake and eat it too. No flaming intended Just the facts.
D Baken

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

Date: Mon, 23 Feb 1998 15:43:59 -0900
From: "Casey Vandor"
Subject: EEC tests

I wrote to you guys about testing my EEC III ignition system, and somebody
replied with a page for me to check out, but it was for the EEC IV. Are the
two systems very similar? Or is their a page for the EEC III that anyone
knows about? I am having problems with my choke. When I first start up the
truck, it seems to race, so I kick it down, and then the choke opens right
back up (or is it closes?) to make the engine race again. The only way to
keep it from racing is two drive it are keep slapping the pedal, which
probably isn't the best thing to do... Is the choke computer controlled, or
could it just be "sticking"? Again it is an 83 351 W with the 2 barrel VV
carb and EEC III.

Thanks
Casey

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

Date: Mon, 23 Feb 1998 19:53:09 +0000
From: Jonathan Everly
Subject: Re: Tranny--which one?

Martin
Not realy shure could find out in a few weeks whwn he gets back from
School. Not shure if it was stock or not. Try to find out for you.
Jake

William Martin wrote:

> Jonathan Everly wrote:
> >
> > Jim
> >
> > I have a friend that had a F350 with a 460 and a 5 speed. He got
>
> What model trans was that? I'm interested in a stick shift thats strong
> enough for a 460 in a 1-ton...
>
> Bill
> +--------------- Ford Truck Enthusiasts - 1980 - 1996 ----------------+
> | Send posts to fordtrucks80up listservice.net, |
> | List removal instructions on the website. |
> +----------------- Site: http://www.ford-trucks.com -----------------+

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

Date: Mon, 23 Feb 1998 19:58:17 +0000
From: Jonathan Everly
Subject: gears Vs horsepower

I am thinking about lifting my F250HD and puting 36-38in tires on it.
What would be a better option to keep it from bogging down. Swiching in
4.10 gears or trying to get more horsepower and torque out of my
351wHO. It is putting out about 250hp and ? torque. Which of these two
options would get my tires turning better?
Thanks in advance.

Jake

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

Date: Mon, 23 Feb 1998 17:54:52 -0600
From: bgap RAPIDNET.COM
Subject: Re: 4.9L F150 Gas Mileage

HEY!! I want free cake tooo!!!
Can I get 25 mpg in my 6X6 Duece and a half with the 460 when I am
finished doing it?
Just joking, my 77 f-150 with the 351M mated to the 4speed gets about
twelve towing a load and about 14 regular.
My 89 F-350 twin cab with the 7.3 normally asspirated Diesel engine gets
17 sometimes at 55mph but when I go to 65, it drops drastically to about
14 But I can load it to the hilt and pull 15K lbs and it will get
about 12mpg. I know this is about gas engines but wanted to get my two
cents in!!!

Tony


> I get 20 mpg with my 87 Ranger 2.9 5spd od and you want 20 with a 4.9
> fullsize? There has to be a trade off somewhere. I would prefer the fullsize
> and bigger engine but opted for better milage and live with the smaller truck.
> Can't seem to have cake and eat it too. No flaming intended Just the facts.
> D Baken

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

Date: Mon, 23 Feb 1998 23:03:55 -0800
From: Randy
Subject: Re: gears Vs horsepower

Jake,
Both options would be great if you can afford it, but if you have to
choose, then don't mess around w/the engine...yet, swap out your
gears. A simple formula for calculating what the new gear ratio
should be is: New tire size/Stock tire size (not necessarily the
current)=% of change. Multiply that times the original gear ratio =
new gear ratio. I would imagine you have metric size tires so you'll
have to convert them to SAE. Let's say you have (since I don't know)
265/75/R16's on now. 265/25.4 (conversion) = 10.4" of section width.
Multiply that times the second number (percentage of width in
sidewall) = 7.82", the height of the tire sidewall from rim to tread.
You double that for the diameter and add the wheel diameter so: 7.82 +
7.82 + 16" = 31.6 for your overall tire diameter. Now we have a
starting point for the first formula. Keep in mind if you want to be
more accurate you should physically measure the tires on the rims
since rim width and mfg. rounding off can make a difference, but this
usually isn't necessary.

38" / 31.6" = 1.202%
New / Old = difference

1.202 * 3.73 = 4.48 (I used 3.73 as example here)
% of difference * current = new gear
ratio ratio

If you have the Dana 60 or the Ford 10.25" axle, I think that 4.56's
would better suit your needs rather than 4:10's, unless you frequent
the highway with your truck. There are other ways to calculate this
too, including checking RPM's at highway speed and using tire size
among others, but this is one of the simplest. Basically it should
keep the truck performing in the same power band you have now, so if
you're happy w/that, that's the way to go. I know there's alot of
info here, so sorry to those not interested, but hope I could help you
out Jake. Btw, a friend has a set of Gumbo Mudders for sale 38.5 x
15.5 x 16.5" so e-mail me off-list if interested.
Take care,
Randy

Jonathan Everly wrote:
>
> I am thinking about lifting my F250HD and puting 36-38in tires on it.
> What would be a better option to keep it from bogging down. Swiching in
> 4.10 gears or trying to get more horsepower and torque out of my
> 351wHO. It is putting out about 250hp and ? torque. Which of these two
> options would get my tires turning better?
> Thanks in advance.
>
> Jake

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

Date: Mon, 23 Feb 1998 23:14:21 -0800
From: Randy
Subject: Re: F150 Gas Mileage

You should be able to find that on the emissions tag under the hood.
Usually near the engine displacement. You can't just clamp on the gun
and shoot though, when ADJUSTING depending on your ignition system.
If you have an EEC system (TFI-IV or Duraspark III) you have to follow
a procedure in order to be sure of accurate timing adjustment. The
proc. bypasses a module so you can adjust it. I have a manual that
will have the procedure. If you don't have a manual or won't be
getting one anytime soon (Haynes in this case) then e-mail me off-list....


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