From owner-fsj-digest@digest.net Sun Dec 9 23:14:18 2012
From: fsj-digest <owner-fsj-digest@digest.net>
To: fsj-digest@digest.net
Date: Mon, 10 Dec 2012 07:05:27 +0000
Subject: fsj-digest V1 #3997
fsj-digest Monday, December 10 2012 Volume 01 : Number 3997
Forum for Discussion of Full Sized SJ Series Jeeps
Brian Colucci <ABCvoice@worldnet.att.net>
Digest Coordinator
Contents:
fsj: Fiat's Panda 4x4
fsj: Gear ratios - rpm - mpg
fsj: Re: Gear ratios - rpm - mpg
fsj: RE: Gear ratios - rpm - mpg
fsj: Diesel Fuel prices - Ireland vs. Washington State - $7.63 vs. $4.19
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----------------------------------------------------------------------
Date: Sat, 8 Dec 2012 20:15:22 +0000
From: "john" <john@wagoneers.com>
Subject: fsj: Fiat's Panda 4x4
Cool. Hey, if the panda has a Diesel I'd consider it, even without the tractor tires. :)
- ------Original Message------
From: Marc Z
Sender: owner-xj@digest.net
To: xj
ReplyTo: xj
Subject: xj: XJ competition?
Sent: Dec 8, 2012 05:08
Hello,
Did everyone see this? Competition perhaps? Not!
http://www.foxnews.com/leisure/2012/12/07/fiat-builds-monster-truck/?intcmp=features
Marc Z in NC
######## john @ wagoneers.com ########
"A thorough knowledge of the Bible
is worth more than a college education"
- Theodore Roosevelt
######## two word summary: Trust Jesus ########
------------------------------
Date: Sat, 8 Dec 2012 21:17:55 +0000
From: "john" <john@wagoneers.com>
Subject: fsj: Gear ratios - rpm - mpg
Looking at 3 options for final gear ratio for my J10 stepside (superdawg) Diesel project.
Using an SD33T/th727/np208, will ride on 235/75-15's. The rv version of the AT is 1:1.
The 80 scout (engine donor) was rated at 20/25 mpg using that size tire and final gear ratio of 3.54. When I started this project I wanted to match specs, but thinking about it now, I realize now that the horrible DOUBLE NICKEL was the law!
I bought another J10 for the 3.54 gears to match the scout. The current axles in superdawg are 3.31. My other 83 J10, the white long bed has 2.72 axles.
So I just did the math, assuming 2,200 rpm is the sweet spot for cruising, based on peak torque of 175 ft lbs @ 2,200 rpm.
Given 2,200 rpm:
w/ 3.54 gears - 53.4 mph. (Double nickel!!!)
W/ 3.31 gears - 57.1 mph
W/ 2.72 gears - 69.5 mph
Formula for MPH is:
Rpm * tire size (inches) * pi * 60. /
Gears * 12 * 5280
So, with superdawg as a daily driver dealing with hills, traffic and about 45mph speed limits. What's going to work the best out of these ratios, not sure how often it'll see the open freeway. Superdawg has the 3.31s mounted now. My white J10 is suffering with the 2.72s (boat anchor amc 360 v8 - 8mpg!)
The sd33t might be ok with tall gears in town... It's all about economy. :)
Thanx
John
######## john @ wagoneers.com ########
"A thorough knowledge of the Bible
is worth more than a college education"
- Theodore Roosevelt
######## two word summary: Trust Jesus ########
------------------------------
Date: Sun, 9 Dec 2012 15:31:22 +0000
From: "john" <john@wagoneers.com>
Subject: fsj: Re: Gear ratios - rpm - mpg
Thanx for the confirmation. The last Diesel conversion I did had a th700r4 in a grand wagoneer, started out with 3.31s but changed to 4.10s, and mileage went up. But this time there won't be an overdrive.
######## john @ wagoneers.com ########
"A thorough knowledge of the Bible
is worth more than a college education"
- Theodore Roosevelt
######## two word summary: Trust Jesus ########
- -----Original Message-----
From: "Bill" <whschmid@gmail.com>
Sender: VW-TDI@yahoogroups.com
Date: Sun, 09 Dec 2012 11:46:16
To: <VW-TDI@yahoogroups.com>
Reply-To: VW-TDI@yahoogroups.com
Subject: [VW-TDI] Re: Gear ratios - rpm - mpg
I'd gear it tall. You can always downshift. But once you hit top gear, you're done. I can't remember ever owning a car, truck or motorcycle that I felt was geared high enough. And with the low end torque of a diesel it seems all the more reason to gear it as high as you can. $.02
Bill
- --- In VW-TDI@yahoogroups.com, "john" <john@...> wrote:
>
> Looking at 3 options for final gear ratio for my J10 stepside (superdawg) Diesel project.
>
> Using an SD33T/th727/np208, will ride on 235/75-15's. The rv version of the AT is 1:1.
> The 80 scout (engine donor) was rated at 20/25 mpg using that size tire and final gear ratio of 3.54. When I started this project I wanted to match specs, but thinking about it now, I realize now that the horrible DOUBLE NICKEL was the law!
>
> I bought another J10 for the 3.54 gears to match the scout. The current axles in superdawg are 3.31. My other 83 J10, the white long bed has 2.72 axles.
>
> So I just did the math, assuming 2,200 rpm is the sweet spot for cruising, based on peak torque of 175 ft lbs @ 2,200 rpm.
>
> Given 2,200 rpm:
> w/ 3.54 gears - 53.4 mph. (Double nickel!!!)
> W/ 3.31 gears - 57.1 mph
> W/ 2.72 gears - 69.5 mph
>
> Formula for MPH is:
>
> Rpm * tire size (inches) * pi * 60. /
> Gears * 12 * 5280
>
> So, with superdawg as a daily driver dealing with hills, traffic and about 45mph speed limits. What's going to work the best out of these ratios, not sure how often it'll see the open freeway. Superdawg has the 3.31s mounted now. My white J10 is suffering with the 2.72s (boat anchor amc 360 v8 - 8mpg!)
>
> The sd33t might be ok with tall gears in town... It's all about economy. :)
>
> Thanx
> John
> ######## john @ wagoneers.com ########
> "A thorough knowledge of the Bible
> is worth more than a college education"
> - Theodore Roosevelt
>
> ######## two word summary: Trust Jesus ########
------------------------------
Date: Sun, 9 Dec 2012 10:56:05 -0800
From: Jim Blair <carnuck@hotmail.com>
Subject: fsj: RE: Gear ratios - rpm - mpg
If you don't drive the highway, I'd go with 3.31 for power if you haul
anything with it.
Jim Blair
> Subject: Gear ratios - rpm - mpg
> From: john@wagoneers.com
> Date: Sat, 8 Dec 2012 21:17:55 +0000
>
> Looking at 3 options for final gear ratio for my J10 stepside (superdawg)
Diesel project.
>
> Using an SD33T/th727/np208, will ride on 235/75-15's. The rv version of the
AT is 1:1.
> The 80 scout (engine donor) was rated at 20/25 mpg using that size tire and
final gear ratio of 3.54. When I started this project I wanted to match
specs, but thinking about it now, I realize now that the horrible DOUBLE
NICKEL was the law!
>
> I bought another J10 for the 3.54 gears to match the scout. The current
axles in superdawg are 3.31. My other 83 J10, the white long bed has 2.72
axles.
>
> So I just did the math, assuming 2,200 rpm is the sweet spot for cruising,
based on peak torque of 175 ft lbs @ 2,200 rpm.
>
> Given 2,200 rpm:
> w/ 3.54 gears - 53.4 mph. (Double nickel!!!)
> W/ 3.31 gears - 57.1 mph
> W/ 2.72 gears - 69.5 mph
>
> Formula for MPH is:
>
> Rpm * tire size (inches) * pi * 60. /
> Gears * 12 * 5280
>
> So, with superdawg as a daily driver dealing with hills, traffic and about
45mph speed limits. What's going to work the best out of these ratios, not
sure how often it'll see the open freeway. Superdawg has the 3.31s mounted
now. My white J10 is suffering with the 2.72s (boat anchor amc 360 v8 -
8mpg!)
>
> The sd33t might be ok with tall gears in town... It's all about economy.
:)
>
> Thanx
> John
> ######## john @ wagoneers.com ########
> "A thorough knowledge of the Bible
> is worth more than a college education"
> - Theodore Roosevelt
>
> ######## two word summary: Trust Jesus ########
------------------------------
Date: Sun, 9 Dec 2012 23:04:32 -0800 (PST)
From: john <john@wagoneers.com>
Subject: fsj: Diesel Fuel prices - Ireland vs. Washington State - $7.63 vs. $4.19
Stephen,
thanx for sharing the info on fuel taxes in Ireland... you pay $7.63/gallon, we pay $4.19/gallon (give or take...)
but if we strip off the taxes - you pay ONLY $3.28/gallon, we pay $3.78/gallon... you get to pay more taxes though.
Excellent example of how heavily taxed folks are in Europe...
all that fine social medicine, six weeks of holiday, great roads and nice clean streets all have to be paid for...
so, let's see... you're paying 1.560 euro's / liter of Diesel...
and it takes 3.785412 liters to make a gallon...
on http://xe.com it says 1 euro = $1.29122 USD
so, that's
$2.01430 USD/liter or $7.63 / gallon
with 57.1% of that in taxes, or $ 4.354 / gallon USD in taxes alone...
(Diesel fuel only w/o taxes in IE is $3.276 - our Diesel fuel w/o tax is about $3.78/gal)
I just put 14.4 gallons in my Jetta TDI waqon, got just over 30 mpg around town...
or about 8 liters / 100 km. (8 liter/100km = 30.39mpg)
that would have cost $109.80 in Ireland (costs $60.03 in Washington state)
- ----------------------------------------------------------------
REF: US taxes: http://www.taxadmin.org/fta/**rate/mf.pdf
info on IE taxes:
http://blog.aaireland.ie/index.php/2012/12/04/motor-fuel-taxes-ireland/a-breakdown-of-irish-fuel-taxes-and-hikes-in-ireland
A breakdown of Irish fuel taxes and hikes 04/12/2012 On current prices*, the rate of taxation on both fuels is as follows:
Petrol : Pump price 1.612
Excise including carbon 58.771c
Nora 2c
Vat 30.2c
Total taxes: 90.971c
Pre-tax price 70.229c
Tax as % 54.5%
Diesel : Pump price 1.560
Excise including carbon 57.902c
Nora 2c
Vat 29.17c
Total taxes: 89.072c
Pre-tax price 66.928c
Tax as % 57.1%
There are four forms of tax on fuel. One is excise duty, which is charged by the litre.
The second is Carbon tax, which is charged by the tonne. The third is the NORA levy (National Oil Reserves Agency) levy
which is 2 cent per litre. All three of these taxes are charged in the same way in that they are fixed amounts per litre
and do not fluctuate as the overall price increases. All three are subject to VAT at 23%.
Carbon Tax works out at 5.586 cent per litre of petrol, and 6.517 cent per litre of diesel.
Both of those figures have VAT at 23% added to them.
- ----------------------------------------------------------------
ORIGINAL discussion, US state fuel tax rates:
http://www.taxadmin.org/fta/**rate/mf.pdf
- ----------------------------------------------------------------
-----
- ----------------------------------------------------------------------------
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...shop AMSOIL directly at: http://AMSOIL.com/redirect.cgi?zo=283461
- ----------------------------------------------------------------------------
"A thorough knowledge of the Bible is worth more than a college education"
Theodore Roosevelt (26th President) - 2 word summary: Trust Jesus
- ----------------------------------------------------------------------------
On Sun, 9 Dec 2012, Stephen Rigley wrote:
# Now you see why I ask ;-)
http://blog.aaireland.ie/index.php/2012/12/04/motor-fuel-taxes-ireland/a-breakdown-of-irish-fuel-taxes-and-hikes-in-ireland
------------------------------
End of fsj-digest V1 #3997
**************************