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Old 07-24-2019, 05:29 PM   #1 (permalink)
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Cj2a on a cj5?

Has anyone set a cj2a body on a cj5 frame? I quickly googled and it looks like the cj5 is 1 inch longer wheel base.
So outside of Fabbing some body mounts, not sure it would be to tough.


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Old 07-24-2019, 07:29 PM   #2 (permalink)
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First linked that popped up from google.

Flat fender tub on CJ frame | ECJ5

Plenty more out there
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Old 07-25-2019, 05:35 AM   #3 (permalink)
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@b4wscrambler started a project called "My Little MF"
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Old 07-25-2019, 05:35 PM   #4 (permalink)
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There are early and late CJ5's and I think the later ones are longer.
I once put a 47 CJ2A on a late sixties DJ frame.
My cousin AJ, who used to make fiberglass bodies, told me the CJ2A would fit any frame before the stretch, and that the DJ frames were some of the strongest.
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Old 07-26-2019, 12:17 PM   #5 (permalink)
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Quote:
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There are early and late CJ5's and I think the later ones are longer.

I once put a 47 CJ2A on a late sixties DJ frame.

My cousin AJ, who used to make fiberglass bodies, told me the CJ2A would fit any frame before the stretch, and that the DJ frames were some of the strongest.


True but finding a DJ frame in Alberta is not that easy.
Plus I’m seeking a running cj5 that way I get all the bits and pieces, diffs seats etc

https://www.quadratec.com/jeep_knowl...rticle-121.htm


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Old 07-26-2019, 04:21 PM   #6 (permalink)
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I hear what your saying. I'm not pushing the DJ frame, just saying just about all the early short frames are close to "universal".
Other good advice was that the 71-75 CJ5's came with the Dana 44 rear with one piece flanged axles. IIRC.
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Old 07-26-2019, 05:14 PM   #7 (permalink)
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I hear what your saying. I'm not pushing the DJ frame, just saying just about all the early short frames are close to "universal".

Other good advice was that the 71-75 CJ5's came with the Dana 44 rear with one piece flanged axles. IIRC.


Great info thanks!


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Old 07-27-2019, 01:49 PM   #8 (permalink)
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I seam to recall someone had a homemade frame specs on here but I can’t seam to find it. Anyone know the thread?


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Old 07-27-2019, 03:09 PM   #9 (permalink)
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Or does someone sell a drawing, I found one but it does not show angles etc


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Old 07-28-2019, 08:18 AM   #10 (permalink)
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I think you are looking for Mieser's "Rango" build thread. It's good reading.
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Old 07-28-2019, 01:10 PM   #11 (permalink)
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I think you are looking for Mieser's "Rango" build thread. It's good reading.


Thanks
I saw his thread but I can only get the one link to work of his frame specs


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Old 11-08-2019, 08:58 AM   #12 (permalink)
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So finding cj5 intact and not $12000 has proven to be difficult in my area... things have changed!! They were everywhere 15 years ago!

But yesterday I stumbled across a 79 cj5 frame with diffs, steering box and new fuel tank.
It has a soa kit installed. Which I’ve never seen this style before, it’s bolted in not weld in. That said easy to get rid of I guess.

He also had a vn3550 with advance adaptors Chev Bellhousing then behind that is a AA to a Dana 300 with a short output.
The guy was going to do the same thing put a 2a body on it. But he ran out of $ or ambition not sure which. It also came with a aftermarket drop drag link and a bunch of other clutch stuff, slave cylinder hoses etc.
I got it stupid cheap and just the day before a buddy called me and told me his kid wrote off his truck and wanted to know if I wanted the 4.3 out of it ! So I took it as a sign from above this was meant to be!

So I have a plan “subject to change on the way” but here it is
47 2a body on 79 cj5 frame shortened at back but will wait till I set body on to see which way I like better

4.3l tbi
Nv3550
Dana 300 but might research using d18 as I have the entire pto set up for mine and I think the d300 adaptor is the same for the d18 but more research is involved.
D300 is easier thou but PTO is cool, just for giggles.
Front diff is stock 79 cj d30 with disk brakes
Rear is stock 79 cj model 20 I will convert to disk brakes.

I’d like to not have to stretch body but I do need/want to mod the floor for more seat room.
Maybe a little in the doors to give myself some “big guy” access room which would help with the longer wheelbase
All these things will change on the fly I think once the body is on the frame loose!



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Old 11-09-2019, 05:01 AM   #13 (permalink)
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The 79 frames are a lot longer so you will have to compensate for that somewhere...
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Old 11-09-2019, 11:12 AM   #14 (permalink)
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Quote:
Originally Posted by overkill19 View Post
Has anyone set a cj2a body on a cj5 frame? I quickly googled and it looks like the cj5 is 1 inch longer wheel base.
So outside of Fabbing some body mounts, not sure it would be to tough.


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10 years ago, I built my 1951 M38 (similar to CJ-3A) using a 79-83 CJ5 frame.

I ran a Ford 5.0 SEFI, NP435, D300, and D60HP. I chose the late frame for three reasons.

1. Front cross member uses native Saginaw steering box.
2. Fully Boxed frame rails.
3. Wider frame rails aft of the rear axle to enable larger fuel tank.

The 76+ CJ5 wheelbase is 3.5-4 inches longer than the CJ-2A...(84 inch vs 80 inch) Most of that length can be found between the spring hanger eyes. But the Early CJ uses shorter front leaf springs. (and narrower)

I found that a shackle reversal, running the wider and longer CJ 5 springs up front shortens it back up.

If you do a shackle reversal, you can shorten up the front bumper horns and keep it looking right.

the later Cj-5 frame is also tapered at the transfer case skid plate area. That is how the frame gets wider. This allows you to eliminate the under seat fuel tank, and still have lots of fuel capacity. You just need to find a way to fill it.

With my V8, and a stock water pump...the distance from the grill to the rear axle pinion yoke defines how long things can be. I ended up with a 12.5 inch CV driveshaft. I also had to build a new firewall tunnel to fit the bell housing. If you go with a GM 4.3, and a NV3550 / AX15...I'm not sure it will fit.

Best of luck,
James.
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Old 11-09-2019, 02:19 PM   #15 (permalink)
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Originally Posted by jamesroney View Post
10 years ago, I built my 1951 M38 (similar to CJ-3A) using a 79-83 CJ5 frame.



I ran a Ford 5.0 SEFI, NP435, D300, and D60HP. I chose the late frame for three reasons.



1. Front cross member uses native Saginaw steering box.

2. Fully Boxed frame rails.

3. Wider frame rails aft of the rear axle to enable larger fuel tank.



The 76+ CJ5 wheelbase is 3.5-4 inches longer than the CJ-2A...(84 inch vs 80 inch) Most of that length can be found between the spring hanger eyes. But the Early CJ uses shorter front leaf springs. (and narrower)



I found that a shackle reversal, running the wider and longer CJ 5 springs up front shortens it back up.



If you do a shackle reversal, you can shorten up the front bumper horns and keep it looking right.



the later Cj-5 frame is also tapered at the transfer case skid plate area. That is how the frame gets wider. This allows you to eliminate the under seat fuel tank, and still have lots of fuel capacity. You just need to find a way to fill it.



With my V8, and a stock water pump...the distance from the grill to the rear axle pinion yoke defines how long things can be. I ended up with a 12.5 inch CV driveshaft. I also had to build a new firewall tunnel to fit the bell housing. If you go with a GM 4.3, and a NV3550 / AX15...I'm not sure it will fit.



Best of luck,

James.


Great stuff!
I put a SR on my cj7 and loved it, I’d thought about doing it on this 2a just so I could move leafs forward or back accordingly!

How do longer/wider cj 5 leafs make it shorter? Are the pins mover forward?

Ya I wasn’t 100% positive the nv3550 will fit but I got it so cheap I figured I can put it on the shelf if it doesn’t.




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Old 11-10-2019, 09:28 AM   #16 (permalink)
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Put a flattie on early CJ5 40+ years ago....a couple times!
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Old 11-10-2019, 10:10 AM   #17 (permalink)
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Put a flattie on early CJ5 40+ years ago....a couple times!
Excuse my ignorance...when you guys refer to early cj5 What years are you talking about.
?
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Old 11-10-2019, 01:40 PM   #18 (permalink)
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71 and earlier
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Old 11-10-2019, 04:06 PM   #19 (permalink)
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71 and earlier


Thx


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Old 11-10-2019, 06:49 PM   #20 (permalink)
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Originally Posted by jamesroney View Post
10 years ago, I built my 1951 M38 (similar to CJ-3A) using a 79-83 CJ5 frame.



I ran a Ford 5.0 SEFI, NP435, D300, and D60HP. I chose the late frame for three reasons.



1. Front cross member uses native Saginaw steering box.

2. Fully Boxed frame rails.

3. Wider frame rails aft of the rear axle to enable larger fuel tank.



The 76+ CJ5 wheelbase is 3.5-4 inches longer than the CJ-2A...(84 inch vs 80 inch) Most of that length can be found between the spring hanger eyes. But the Early CJ uses shorter front leaf springs. (and narrower)



I found that a shackle reversal, running the wider and longer CJ 5 springs up front shortens it back up.



If you do a shackle reversal, you can shorten up the front bumper horns and keep it looking right.



the later Cj-5 frame is also tapered at the transfer case skid plate area. That is how the frame gets wider. This allows you to eliminate the under seat fuel tank, and still have lots of fuel capacity. You just need to find a way to fill it.



With my V8, and a stock water pump...the distance from the grill to the rear axle pinion yoke defines how long things can be. I ended up with a 12.5 inch CV driveshaft. I also had to build a new firewall tunnel to fit the bell housing. If you go with a GM 4.3, and a NV3550 / AX15...I'm not sure it will fit.



Best of luck,

James.


Anyone know the length of a 4.3?
From bell housing to water pump pulley


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Old 11-10-2019, 08:21 PM   #21 (permalink)
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I have a 58 CJ mall crawler with a 4.3 and 2A if you need any numbers Ill measure them for you.
4.3=25". 4.3, T-18, D-18 =55"
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Old 11-10-2019, 10:27 PM   #22 (permalink)
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I have a 58 CJ mall crawler with a 4.3 and 2A if you need any numbers Ill measure them for you.
4.3=25". 4.3, T-18, D-18 =55"


Rough measurement with a 4.3 at 25” id end up at just under 60” to center of ujoint


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Old 11-15-2019, 11:53 AM   #23 (permalink)
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Great stuff!

How do longer/wider cj 5 leafs make it shorter? Are the pins mover forward?
So I read my post again, and I can see why it sounds like gibberish.

The late CJ springs have pins in the center. A longer spring does not exactly make the wheelbase shorter...but once you mount the front spring pivot onto the frame horn so that it will clear the steering box...then you need a longer spring to put the axle back to its original location.

I hope that makes more sense.
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