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  #41  
Old 11-06-2010, 04:44 PM
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Quote:
Originally Posted by Gambler68
Well..what transmission are you using? A 2wd AMC one? I haven't started looking yet, but am interested in what the best 2wd one will bolt to a 401.

Here's a few options off the top of my head.

1. Get a 2wd trans from an AMC car. I think the 4.0L in Jeeps uses the same bolt pattern as an AMC so maybe a 2wd XJ trans would work too?

2. Buy a 2wd trans from a Chevy and use an ultrabell or adapter plates. They make an ultrabell for Powerglide, TH350 and TH400. I'm sure they also make adapter plates to run a 700R4.

3. Convert a Jeep TH400 to 2wd. You'll need to swap output shafts and tail housings and machine the case for a speedometer output. Not sure of the years but some early (1974ish) AMC/Jeep TH400s are already machined for the speedometer.

I've done option 3 for my Wagoneer and have no complaints. The Cherokee will be getting an ultrabell and a 2wd chevy trans for safety's sake.
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http://ifsja.org/forums/vb/showthread.php?t=127321
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  #42  
Old 11-06-2010, 06:33 PM
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  #43  
Old 11-06-2010, 07:20 PM
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Quote:
Originally Posted by Ghinmi
Here's a few options off the top of my head.

1. Get a 2wd trans from an AMC car. I think the 4.0L in Jeeps uses the same bolt pattern as an AMC so maybe a 2wd XJ trans would work too?

2. Buy a 2wd trans from a Chevy and use an ultrabell or adapter plates. They make an ultrabell for Powerglide, TH350 and TH400. I'm sure they also make adapter plates to run a 700R4.

3. Convert a Jeep TH400 to 2wd. You'll need to swap output shafts and tail housings and machine the case for a speedometer output. Not sure of the years but some early (1974ish) AMC/Jeep TH400s are already machined for the speedometer.

I've done option 3 for my Wagoneer and have no complaints. The Cherokee will be getting an ultrabell and a 2wd chevy trans for safety's sake.

You also could use a Chrysler 2WD style 727 and convert an AMC 727 that came from a later model FSJ.
Same deal as the TH400, swap output shaft and tailhousing.
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  #44  
Old 11-07-2010, 01:04 PM
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Quote:
Originally Posted by The PIG Smith
You also could use a Chrysler 2WD style 727 and convert an AMC 727 that came from a later model FSJ.
Same deal as the TH400, swap output shaft and tailhousing.


and just as easy to find!
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  #45  
Old 11-07-2010, 02:35 PM
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What about a 998/999? Or are they 4WD trans..

I know the 401 Gremlin X's were offered with an auto option..just can't find the exact trans yet.

Just brain building something..
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  #46  
Old 11-07-2010, 03:30 PM
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A 727 would be better choice over 998/999. Our Eagle has a 998 and it is good tranny behind a I6.
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  #47  
Old 11-07-2010, 03:34 PM
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Quote:
Originally Posted by Gambler68
What about a 998/999? Or are they 4WD trans..

I know the 401 Gremlin X's were offered with an auto option..just can't find the exact trans yet.

Just brain building something..
Factory 401 powered Gremlin? Hmmmmmmm
I thought the only factory V8 offered was the 304.

Anyways, I think the 727 was the 2WD automatic transmission of choice the mid 70's larger V8 powered AMC cars.
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...but if it works, I wouldn't touch it.
Quote:
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  #48  
Old 11-07-2010, 05:12 PM
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Quote:
Originally Posted by The PIG Smith
Factory 401 powered Gremlin? Hmmmmmmm
I thought the only factory V8 offered was the 304.

Correct, only V8 available was the 304. Then there was the Randall XR 401 but they came as factory 304 cars. http://www.gremlinx.com/index.php?op...3&It emid=152

Another good place to look for a 727 would be a 1974 International Travelall with the AMC 401 and heavy duty 2wd 727.
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  #49  
Old 11-07-2010, 08:45 PM
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Quote:
Originally Posted by Ghinmi
Correct, only V8 available was the 304. Then there was the Randall XR 401 but they came as factory 304 cars. http://www.gremlinx.com/index.php?op...3&It emid=152

Another good place to look for a 727 would be a 1974 International Travelall with the AMC 401 and heavy duty 2wd 727.


Thanks for the heads up!

And yeah, the 401 Gremlin I found on that site.

Looks like 2WD 727s came in Eagles for a few years too, then they switched to the lighter trannies because the 727 was overkill for that small of a car.
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  #50  
Old 11-07-2010, 09:54 PM
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I don't think they ever made a 2wd Eagle?

I mocked up the engine today to get some measurements and snapped some pics. I've still got to make an oil pick up & finish the intake before it's ready to go together for real.


http://carphotos.cardomain.com/ride_...4117_large.jpg


http://carphotos.cardomain.com/ride_...4118_large.jpg


http://carphotos.cardomain.com/ride_...4116_large.jpg
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  #51  
Old 11-07-2010, 10:07 PM
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Very sweet. I really need to stop up and see this stuff in person some day. I'm in Grand Rapids all the time.


aa
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  #52  
Old 11-07-2010, 11:03 PM
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Hey man, you need to put up some big flashy warning signs or something... those pictures are NICE!
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  #53  
Old 11-08-2010, 10:25 PM
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Quote:
Originally Posted by Cecil14
Very sweet. I really need to stop up and see this stuff in person some day. I'm in Grand Rapids all the time.


aa

Next time you're going to be in town let me know and we'll see if we can work something out. Email is ghinmi@yahoo.com


Pulled the body off the frame today (again). Hopefully next time it goes back together it's permanent, lol. I've got to weld up the frame, sandblast everything, paint, and put back together. I already finished the underside of the body, didn't take much work because of how nice the body is. Here's some pics of the body mounts for those interested.


http://carphotos.cardomain.com/ride_...4125_large.jpg


http://carphotos.cardomain.com/ride_...4122_large.jpg


http://carphotos.cardomain.com/ride_...4123_large.jpg


http://carphotos.cardomain.com/ride_...4124_large.jpg


http://carphotos.cardomain.com/ride_...4119_large.jpg


http://carphotos.cardomain.com/ride_...4121_large.jpg
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  #54  
Old 11-08-2010, 10:45 PM
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I will definitely do that! Might be a bit with all the holidays coming up, but I will definitely make it up there one of these days.


aa
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  #55  
Old 11-09-2010, 09:21 AM
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  #56  
Old 11-09-2010, 09:27 AM
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Things to consider

1. Chromoly is lighter than the steel the frame is made out of and stronger
2. Pitch all glass
3. If you run the 4wd front get the guts out and use some tube caps to plug the holes
4. When your building any kind of horsepower the stock converter will be the next hurdle
5. Pitch the dana 44 in favor of a ford 9" rear it is lighter and stronger
6. Pitch all bumpers and interior

There are a couple of REALLY nice FSJ drag racing jeeps in this country if you google them you will see how much work was put into them.

Cool project!
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  #57  
Old 11-09-2010, 11:45 AM
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Quote:
Originally Posted by jeepsr4ever
There are a couple of REALLY nice FSJ drag racing jeeps in this country if you google them you will see how much work was put into them.

Care to elaborate on that? The only ones I know about are mine, the green '73 Wagoneer from WV, and the white J10 with the chevy motor. If there's more out there it'd be cool to see them.
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1983 Cherokee WT - IFS, trailing arm rear, full cage, Hemi, 6 speed, turbocharged - Autocross project
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  #58  
Old 11-09-2010, 12:56 PM
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It's too bad you had to start with such a heavy,solid body...
I know it was probably all you could find at the time, but I don't think the light weight rusty bodies are too hard to find. Now you have all that excess solid steel to deal with, too bad.

All kidding aside, it looks like it's coming together well.
Looks like it will be a lot of fun, smart choice on the GM swing arm frame and suspension. And the full size width of the GM ifs will get the front tires a little farther out in the wheel wells, makes for a little more aggressive look.

I also liked the comment a ways back about the 2wd AMC Eagle, BTW, yes they made them but, they were called Concords, Gremlins and Spirits etc.
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  #59  
Old 11-09-2010, 08:05 PM
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Wish I could start, heck, even finish a project like that. As soon as you get it finished, let us know where you're planning on running it so we can roadtrip to see it in action...Del
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  #60  
Old 11-11-2010, 10:27 PM
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Quote:
Originally Posted by del
Wish I could start, heck, even finish a project like that. As soon as you get it finished, let us know where you're planning on running it so we can roadtrip to see it in action...Del

Del, you know you're welcome to a ride in either Jeep! I'll be sure to keep you updated.

I've been slacking the last couple days but here's where I'm at right now. The first two pics are at the final ride height (springs removed). It sits a lot lower than the pics show.


http://carphotos.cardomain.com/ride_...4129_large.jpg


http://carphotos.cardomain.com/ride_...4130_large.jpg


http://carphotos.cardomain.com/ride_...4127_large.jpg


http://carphotos.cardomain.com/ride_...4126_large.jpg
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