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  • May 05, 2024, 11:42:04 AM

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Author Topic: Auto to 4-speed swap  (Read 3342 times)

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Offline BAD-BIRD

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Auto to 4-speed swap
« on: March 11, 2011, 08:27:23 PM »
Hello all it has been a while but I need some info and it would be grateful! I have an 84 eagle wagon with a 4.2 and an automatic! I had the tranny rebuilt twice now in less than a year and am tired of messing with it! SO I want to put a 4speed in it! I found a whole parts car it is an 82 SX4 with a 4 cylinder! So here I am, I know I need a flywheel and a bell housing! But am having trouble locating one! Does any one have either or both they would sell if so I am interested! Also does any one have any reason this wont work! When I get finished with the car I will sell parts off it or the whole car! It is pretty rough but has several good parts! Thanks for the info and help!
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Offline mudkicker715

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Re: Auto to 4-speed swap
« Reply #1 on: March 11, 2011, 08:33:09 PM »
Did this exact swap last fall. Look for the how to in the pedia
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Manitowoc WI

Offline BAD-BIRD

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Re: Auto to 4-speed swap
« Reply #2 on: March 11, 2011, 08:49:43 PM »
Are you happy with the swap? Could you give me a pros and cons of what you have seen with it? Power/MPG-better or worse? Thanks for the help!
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Offline rollguy

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Re: Auto to 4-speed swap
« Reply #3 on: March 11, 2011, 09:11:33 PM »
Would not the Iron Duke have an SR4 trans?   Is that one strong enough for the 4.2?   I would think a T5 would be better.
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1980 Eagle Turbodiesel Wagon (only 2 known to exist as of 2008)- 7-7-2011 Flight to it's new nest @ Rambler Ranch
1983 Eagle Wagon  Tan over Copper
1982 Eagle SX4 "ALTREGL"  (avatar photo)
1982 Eagle 4 Door Sedan  Copper over Satin Black
1985 Eagle Sport Wagon October 2007 ROTM (SOLD)
4 Biofuel powered Benzs ('98 E300, '82 300 CD, '82 300 TD (wagon), '80 240 D)
1983 GMC Van (6.2 Diesel)
1985 Mitsubishi pickup (2.3 Turbodiesel)

Offline mudkicker715

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Re: Auto to 4-speed swap
« Reply #4 on: March 11, 2011, 09:42:59 PM »
What rollguy said

Mpg is same. But better take off. Meaning in 4wd I have spune the left front tire on dry pavement. Its tied to a stroker. But it lifts that. Side up when flooredwhen making the 1 to 2nd shift.
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Manitowoc WI

Offline eaglefreek

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Re: Auto to 4-speed swap
« Reply #5 on: March 11, 2011, 11:27:25 PM »
Quote from: rollguy on March 11, 2011, 09:11:33 PM
Would not the Iron Duke have an SR4 trans?   Is that one strong enough for the 4.2?   I would think a T5 would be better.
If I'm not mistaken the 82 should have a T4. However since it is a 4cyl. it will have a smaller input shaft than a 6 cyl. tranny. I had an SR4 in my 81 Eagle and it worked great.  The biggest problems was with slave cylinder and then the shifter breaking.
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1986 AMC Eagle Wagon 4.2L/4.0L head, AW4,NP242, Chrysler 8.25" rear.
1981 AMC Eagle Wagon As Seen On TV  Lost In Transmission


 

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Offline BAD-BIRD

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Re: Auto to 4-speed swap
« Reply #6 on: March 14, 2011, 06:21:20 PM »
Thanks for the help and I am heeding your advice! I found me a 5 speed out of an 85 eagle that was mounted to a 258! The problem I now have is the tranny does not come with a shifter! And I am assuming the pedals and other odds and ends can be used from the sx4 donor I bought! I also now will have parts off the sx4 for sale! Thanks folks!
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