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Driveline Powertrain Change ???s
04-05-2015, 02:46 PM, (This post was last modified: 04-05-2015, 02:49 PM by Timber.)
#1
Driveline Powertrain Change ???s
    I recently aqquired a 79 Ford Bronco. Original plan was to flip it and make a few bucks while hopefully adding another member to the club.

Upon closer scrutiny in the driveway and some friendly advice. I'm wanting to drop one of my Jeep tubs on the Bronco Chassis. Increasing wheelbase length and axle width. Basically a Low(er) Budget Rock Crawler.

I've got two Jeeps to play with. An 83 CJ7 completely torn down (bought as a resto project) or my 97 TJ that is in need of a Powertrain (350/Std/T-case)

Has anyone done something like this? 
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04-05-2015, 03:02 PM,
#2
RE: Driveline Powertrain Change ???s
Take the 9" rear and d44 front out of the bronco and put into the TJ

Dmonkey

2003 WJ for groceries, 2005 LJ Rubicon for family wheeling, 2015 Power Wagon for making money, 1989 MJ for working on, 20xx Ultra 4 buggy for dreaming and leaning on.
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04-05-2015, 06:23 PM,
#3
RE: Driveline Powertrain Change ???s
That was my first thought. Then several people said it's a LOT to get those axles ready to put in the TJ
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04-05-2015, 09:34 PM,
#4
RE: Driveline Powertrain Change ???s
It's a lot of work either way you go. I'm in the same situation with a TJ and my MJ and my buggy. Which will be the least amount of work for the most function and fun????

Dmonkey

2003 WJ for groceries, 2005 LJ Rubicon for family wheeling, 2015 Power Wagon for making money, 1989 MJ for working on, 20xx Ultra 4 buggy for dreaming and leaning on.
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04-06-2015, 11:44 AM,
#5
RE: Driveline Powertrain Change ???s
Ah! Touche.
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04-06-2015, 01:48 PM, (This post was last modified: 04-06-2015, 01:54 PM by Timber.)
#6
RE: Driveline Powertrain Change ???s
Yes, exactly the dilemma I'm facing. Tear the Dana 44 front & 9" rear out of Bronco, put under TJ (which still needs power train) or Retrofir the TJ to sit on the Bronco Chassis, or use my CJ tub which is totally stripped down.... That's why I put this question out to my much more experienced friends
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04-08-2015, 05:06 PM,
#7
RE: Driveline Powertrain Change ???s
Really... How bad is the Bronco body???? Pass an insurance inspection? Plate it and chop it up as needed... "no lift, big tires, lots of trimming, gear it and go". To my knowledge there are no 2nd gen Broncos in the club, 1st or 3rd gen ether... And they're SWEET! Big Grin Wide in the middle with too much over hang in the rear, but Sweet! Wink
Soccer Mom's-'12 Sliver Rubi Unlimited on 35 w/ 3" Zone, Bumper'n'winch and LEDs
Old trial rig-('06 Rubicon, long arm, 39.5" Iroks, RCV's front-alloy rears and a 6hp Warn 8274) -  sold to a good friend  Big Grin
New trail rig - '06 Taco Crew, bobbed, locked, on 37"
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04-14-2015, 11:08 AM,
#8
RE: Driveline Powertrain Change ???s
There is a first gen in gp that has came out to run in Fairview you were there Mitch on the river hills. Blue 302 fuel injected mint. Blazers and broncos and ramchargers are fun to wheel with.
Daily Driver 1990 Chevrolet Full Size Blazer on 33' Baja Claws.
Trail rig '84 GMC Jimmy 350 TBI, SM465, NP205, Corperate 10 bolt 30 spline axles, Strange Spool in the back (and soon front), 6' Lift, Sitting on 38.5 Ground Hawgs.
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04-15-2015, 09:10 AM,
#9
RE: Driveline Powertrain Change ???s
Unfortunately, never to be seen again....
Soccer Mom's-'12 Sliver Rubi Unlimited on 35 w/ 3" Zone, Bumper'n'winch and LEDs
Old trial rig-('06 Rubicon, long arm, 39.5" Iroks, RCV's front-alloy rears and a 6hp Warn 8274) -  sold to a good friend  Big Grin
New trail rig - '06 Taco Crew, bobbed, locked, on 37"
YouTube Winch Challenge Addict Loony
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04-15-2015, 03:53 PM,
#10
RE: Driveline Powertrain Change ???s
Yeah unfortunately he got scared because of the off camber, he thought we were crazy. And he didn't want to scuff the paint.
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04-15-2015, 08:22 PM,
#11
RE: Driveline Powertrain Change ???s
I think he sold it.

Dmonkey

2003 WJ for groceries, 2005 LJ Rubicon for family wheeling, 2015 Power Wagon for making money, 1989 MJ for working on, 20xx Ultra 4 buggy for dreaming and leaning on.
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04-16-2015, 07:06 PM,
#12
RE: Driveline Powertrain Change ???s
I just missed out on a stock 1974 first gen Bronco with 302, 3 speed, D44. No rust and came with a warn 8274 winch. Crap, I wanted that!
95 Suzuki Sidekick, 4" lift on 32"s. Spooled Rear. Superwinch. Choose a road wisely!! Wide the road that leads to destruction and many will choose it. Narrow the road that leads to life, but few will find it. Math.7:13-14
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05-02-2015, 02:12 PM,
#13
RE: Driveline Powertrain Change ???s
I sold the Bronco body, kept the entire chassis & power train. I think Sheldon may have a point, refit everything for the CJ. The Bronco has rear leafs which won't allow me to hang the rears out the back of the Jeep like I want. So, some more cutting, welding and beer are going to be involved. Sure appreciate the input of you guys who have more experience in Fabbing this type of thing. I'll see if I can attach the picture of my vision

My components are:
83 CJ Tub and all the parts (Hardtop.soft & bikini top)
YJ Frame for strength
Dana 44 Front Diff from the Bronco
Ford 9" Rear from the Bronco
351M at about 325 HP coupled to an A10 Transfer and 4Spd Trans
Also have a Older Vette 350 mated to the CJ Transfer and tranny

Thoughts gentlemen...
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05-02-2015, 02:19 PM, (This post was last modified: 05-04-2015, 10:57 AM by Timber.)
#14
RE: Driveline Powertrain Change ???s
This is what I'm shooting for


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05-03-2015, 11:16 AM,
#15
RE: Driveline Powertrain Change ???s
(05-02-2015, 02:19 PM)Timber Wrote: Hmmm can't figure out how to attach the pics....

scroll to bottom of your new post,  click  CHOOSE FILE right besides  'new attachment'   click on file click open.   press add attachment,then press post reply. 


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05-04-2015, 10:58 AM,
#16
RE: Driveline Powertrain Change ???s
(05-02-2015, 02:19 PM)Timber Wrote: This is what I'm shooting for

(05-03-2015, 11:16 AM)mostlyfscked Wrote:
(05-02-2015, 02:19 PM)Timber Wrote: Hmmm can't figure out how to attach the pics....

scroll to bottom of your new post,  click  CHOOSE FILE right besides  'new attachment'   click on file click open.   press add attachment,then press post reply. 

Thank you! 
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05-04-2015, 03:05 PM,
#17
RE: Driveline Powertrain Change ???s
(04-08-2015, 05:06 PM)Mitch Wrote: Really... How bad is the Bronco body????  Pass an insurance inspection?  Plate it and chop it up as needed... "no lift, big tires, lots of trimming, gear it and go".  To my knowledge there are no 2nd gen Broncos in the club, 1st or 3rd gen ether...  And they're SWEET! Big Grin  Wide in the middle with too much over hang in the rear, but Sweet!  Wink

Hey Mitch. Ya it was pretty rough. They are a very capable machine, but I wanted to build FrankenJeep. Kind of inspired by yours when we came and wheeled with you last fall. Sold the body and now I've got the complete chasis & powertrain to play with
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05-04-2015, 08:14 PM,
#18
RE: Driveline Powertrain Change ???s
Ya, that's pretty sweet

Dmonkey

2003 WJ for groceries, 2005 LJ Rubicon for family wheeling, 2015 Power Wagon for making money, 1989 MJ for working on, 20xx Ultra 4 buggy for dreaming and leaning on.
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05-06-2015, 08:04 AM, (This post was last modified: 05-06-2015, 08:05 AM by Mitch.)
#19
RE: Driveline Powertrain Change ???s
Ya, starting from scratch you'll get it the way you want. Is your plan to 4 link it with coil-overs? 100-110" wheel base? 40" tire?
I know if I was to do it all over again that's what I'd shoot for an LJ, with a 5.3 LS/4L60 auto and a 2.72low range NP241 out of a newer JK and 1 tons Big Grin

IMO If your a ford fan go with the 351M if not the 350 is lighter and the parts are cheaper, I'm not sure which CJ trans you have but the T-case should be a Dana 300 which you can flip to use your ford D44 and adapt to the ford 4-spd trans as it would be more HD then the Jeep one or trade for a Chevy SM 465 or 420 to save one less adapter if your going the Chevy route, so many choice Smile

I really like the "low and long". Mine's right at 95" of wheelbase, I've only got a 3" lift spring in the rear but kept hitting the bump stops too much, so I installed a spacer it it's been better. And the stretch would cost me another $1500ish. One day, maybe... Wink
Soccer Mom's-'12 Sliver Rubi Unlimited on 35 w/ 3" Zone, Bumper'n'winch and LEDs
Old trial rig-('06 Rubicon, long arm, 39.5" Iroks, RCV's front-alloy rears and a 6hp Warn 8274) -  sold to a good friend  Big Grin
New trail rig - '06 Taco Crew, bobbed, locked, on 37"
YouTube Winch Challenge Addict Loony
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05-08-2015, 03:57 PM,
#20
RE: Driveline Powertrain Change ???s
(05-04-2015, 08:14 PM)Sheldon Wrote: Ya, that's pretty sweet

Isn't it! That's ideally what I want. So after reading your's and Mitch's advice I'm thinking 4 link rear with coilovers is the way to go. 

The Bronco set up has too much rear over hang for sure. Have the YJ Frame ready to fit everything too. Then go with the 350/CJ Driveline or the 351M/Ford power. Stretch those axles out as far as I can go on the YJ frame. 

So... Who's a good person to enlist for the axle mods for reasonable kinds of cash? 
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