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Jeff DeWitt 03-21-2005 10:36 PM

4.0 history
 
I'm curious about the history of the 4.0 engine. I know it's based on
an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
while later), but at some point AMC (or Nash) took a clean sheet of
paper and designed a new engine that eventually evolved into our
wonderful 4.0.

Does anyone know when that was and anything about the orginal engine?

Jeff DeWitt

matthewf_boi@yahoo.com 03-21-2005 11:00 PM

Re: 4.0 history
 

Jeff DeWitt wrote:
> I'm curious about the history of the 4.0 engine. I know it's based

on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
> Does anyone know when that was and anything about the orginal engine?
> Jeff DeWitt


are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
liter engine?
I may be wrong here, but I thought the 4.0 liter was designed by
Chrysler long after both AMC and Nash were out of business.

The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
The 4.0 debuted in Wranglers (YJ's) in 1991.
Chrysler Corp. acquired American Motors in 1987.
Nash merged with Hudson in the mid-Fifties to form American Motors.


matthewf_boi@yahoo.com 03-21-2005 11:00 PM

Re: 4.0 history
 

Jeff DeWitt wrote:
> I'm curious about the history of the 4.0 engine. I know it's based

on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
> Does anyone know when that was and anything about the orginal engine?
> Jeff DeWitt


are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
liter engine?
I may be wrong here, but I thought the 4.0 liter was designed by
Chrysler long after both AMC and Nash were out of business.

The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
The 4.0 debuted in Wranglers (YJ's) in 1991.
Chrysler Corp. acquired American Motors in 1987.
Nash merged with Hudson in the mid-Fifties to form American Motors.


matthewf_boi@yahoo.com 03-21-2005 11:00 PM

Re: 4.0 history
 

Jeff DeWitt wrote:
> I'm curious about the history of the 4.0 engine. I know it's based

on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
> Does anyone know when that was and anything about the orginal engine?
> Jeff DeWitt


are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
liter engine?
I may be wrong here, but I thought the 4.0 liter was designed by
Chrysler long after both AMC and Nash were out of business.

The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
The 4.0 debuted in Wranglers (YJ's) in 1991.
Chrysler Corp. acquired American Motors in 1987.
Nash merged with Hudson in the mid-Fifties to form American Motors.


Dick 03-21-2005 11:48 PM

Re: 4.0 history
 
On 21 Mar 2005 20:00:38 -0800, matthewf_boi@yahoo.com wrote:

>
>Jeff DeWitt wrote:
>> I'm curious about the history of the 4.0 engine. I know it's based

>on
>> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
>> while later), but at some point AMC (or Nash) took a clean sheet of
>> paper and designed a new engine that eventually evolved into our
>> wonderful 4.0.
>> Does anyone know when that was and anything about the orginal engine?
>> Jeff DeWitt

>
>are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
>liter engine?
>I may be wrong here, but I thought the 4.0 liter was designed by
>Chrysler long after both AMC and Nash were out of business.
>
>The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
>The 4.0 debuted in Wranglers (YJ's) in 1991.
>Chrysler Corp. acquired American Motors in 1987.
>Nash merged with Hudson in the mid-Fifties to form American Motors.


The 4.0 Power Tech Six was designed by AMC. It was designed from the
beginning for the XJ, the down-sized Cherokee and Wagoneer Limited.
It shared a number of components with the 2.5 four. It was introduced
in the 1987 XJ just about the time Chrysler took over AMC, but they
did not design the 4.0.

----

Dick 03-21-2005 11:48 PM

Re: 4.0 history
 
On 21 Mar 2005 20:00:38 -0800, matthewf_boi@yahoo.com wrote:

>
>Jeff DeWitt wrote:
>> I'm curious about the history of the 4.0 engine. I know it's based

>on
>> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
>> while later), but at some point AMC (or Nash) took a clean sheet of
>> paper and designed a new engine that eventually evolved into our
>> wonderful 4.0.
>> Does anyone know when that was and anything about the orginal engine?
>> Jeff DeWitt

>
>are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
>liter engine?
>I may be wrong here, but I thought the 4.0 liter was designed by
>Chrysler long after both AMC and Nash were out of business.
>
>The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
>The 4.0 debuted in Wranglers (YJ's) in 1991.
>Chrysler Corp. acquired American Motors in 1987.
>Nash merged with Hudson in the mid-Fifties to form American Motors.


The 4.0 Power Tech Six was designed by AMC. It was designed from the
beginning for the XJ, the down-sized Cherokee and Wagoneer Limited.
It shared a number of components with the 2.5 four. It was introduced
in the 1987 XJ just about the time Chrysler took over AMC, but they
did not design the 4.0.

----

Dick 03-21-2005 11:48 PM

Re: 4.0 history
 
On 21 Mar 2005 20:00:38 -0800, matthewf_boi@yahoo.com wrote:

>
>Jeff DeWitt wrote:
>> I'm curious about the history of the 4.0 engine. I know it's based

>on
>> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
>> while later), but at some point AMC (or Nash) took a clean sheet of
>> paper and designed a new engine that eventually evolved into our
>> wonderful 4.0.
>> Does anyone know when that was and anything about the orginal engine?
>> Jeff DeWitt

>
>are you asking about the 4.2 liter (258 cubic inch) engine or the 4.0
>liter engine?
>I may be wrong here, but I thought the 4.0 liter was designed by
>Chrysler long after both AMC and Nash were out of business.
>
>The 258 may have ancestry in Gremlins, but I don't think the 4.0 does.
>The 4.0 debuted in Wranglers (YJ's) in 1991.
>Chrysler Corp. acquired American Motors in 1987.
>Nash merged with Hudson in the mid-Fifties to form American Motors.


The 4.0 Power Tech Six was designed by AMC. It was designed from the
beginning for the XJ, the down-sized Cherokee and Wagoneer Limited.
It shared a number of components with the 2.5 four. It was introduced
in the 1987 XJ just about the time Chrysler took over AMC, but they
did not design the 4.0.

----

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 03-22-2005 12:56 AM

Re: 4.0 history
 
Hi Jeff,
American Motor Corporation did take credit for redesigning the
engine in '64: http://www.mederle.de/amc/amcgeng.html But it's virtually
unchanged from the Rambler engine I've worked on, like this '49:
http://www.collectorcarads.com/addetail.asp?carID=3794 And unfortunately
I can't find the '29 Nash's picture disappear before I copies the site,
but just like this '34 eight:
http://www.vapinc.com/1934nashrestor...2/PIC00004.jpg
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Jeff DeWitt wrote:
>
> I'm curious about the history of the 4.0 engine. I know it's based on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
>
> Does anyone know when that was and anything about the orginal engine?
>
> Jeff DeWitt


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 03-22-2005 12:56 AM

Re: 4.0 history
 
Hi Jeff,
American Motor Corporation did take credit for redesigning the
engine in '64: http://www.mederle.de/amc/amcgeng.html But it's virtually
unchanged from the Rambler engine I've worked on, like this '49:
http://www.collectorcarads.com/addetail.asp?carID=3794 And unfortunately
I can't find the '29 Nash's picture disappear before I copies the site,
but just like this '34 eight:
http://www.vapinc.com/1934nashrestor...2/PIC00004.jpg
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Jeff DeWitt wrote:
>
> I'm curious about the history of the 4.0 engine. I know it's based on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
>
> Does anyone know when that was and anything about the orginal engine?
>
> Jeff DeWitt


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 03-22-2005 12:56 AM

Re: 4.0 history
 
Hi Jeff,
American Motor Corporation did take credit for redesigning the
engine in '64: http://www.mederle.de/amc/amcgeng.html But it's virtually
unchanged from the Rambler engine I've worked on, like this '49:
http://www.collectorcarads.com/addetail.asp?carID=3794 And unfortunately
I can't find the '29 Nash's picture disappear before I copies the site,
but just like this '34 eight:
http://www.vapinc.com/1934nashrestor...2/PIC00004.jpg
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Jeff DeWitt wrote:
>
> I'm curious about the history of the 4.0 engine. I know it's based on
> an engine AMC introduced in 1964 (and powered a bunch of Gremlins a
> while later), but at some point AMC (or Nash) took a clean sheet of
> paper and designed a new engine that eventually evolved into our
> wonderful 4.0.
>
> Does anyone know when that was and anything about the orginal engine?
>
> Jeff DeWitt



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