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 75 Bronco Build 
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Joined: Mon Nov 28, 2016 11:34 am
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Post 75 Bronco Build
Well I've had the Bronco for 6 weeks now and now ready to start a build thread. With the new ICM it fires right up and I've been driving it around the neighborhood with no real issues. I've taking quite a few notes/measurements of the stock stance for reference did a compression check on the motor 90-120psi on all cylinders, Western Motors will be doing a full rebuild. I've got 300 zip lock bags and markers and will start the teardown this weekend and will start bagging and tagging. Here is the last photo before going into the garage for who know how long.
Wife is not happy with giving up her parking spot!


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Fri Jul 21, 2017 11:46 am
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Post Re: 75 Bronco Build
Following for sure!!!

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Fri Jul 21, 2017 8:35 pm
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Post Re: 75 Bronco Build
I made some progress on the tear down this weekend, removed a lot of parts with just a Phillips screwdriver , 5/16,3/8, 1/2,9/16 sockets and some pliers man there isn't much to these things! Found a little rust on the passenger side but some will be removed with the rockers.
I sure am glad to be back in the garage!!


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Mon Jul 24, 2017 9:36 am
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Post Re: 75 Bronco Build
Awesome! You have a secure place to store body panels so they don't get damaged as you work on this rig??

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1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
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Mon Jul 24, 2017 10:21 am
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Post Re: 75 Bronco Build
That last picture is a spare bedroom downstairs that I'm storing parts in that is until the wife finds out spank


Mon Jul 24, 2017 11:10 am
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Post Re: 75 Bronco Build
Subcribed

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Wed Jul 26, 2017 2:48 pm
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Post Re: 75 Bronco Build
Not a lot of progress this weekend, I met and talked Bronco's with Mickphatmac was nice meeting you and your son.
I worked on removing the rest of the side trim, headliner, windshield wipers components and took out the inner fender wells

Took as many measurement/pictures of the current suspension and going to crunch the number between 4-link vs. springs. This is not my strong point but looking at the Ruffstuff 4Link rear and 3Link front vs. Alcan springs. Hoping to see some 4-link Broncos in person to get some more information.

Measured how far back I can relocate a gas tank and it looks like the most I can get is maybe a 6.5-7" rear stretch. So this week I'll be removing the 44/9" axles and putting them up for sale (what's the going price for a set of EB axles??) Also pick up a set of 35x12.50 R15 BFG as rollers to check tire clearance and flex.


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Mon Jul 31, 2017 10:13 am
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Post Re: 75 Bronco Build
Picked up a new D floor pan and 1" body lift from BH this week and sold the 44/9 combo, now the dirty task of removing the 3-speed transmission T-case and mocking up the 4R70W.


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Thu Aug 03, 2017 7:23 am
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Post Re: 75 Bronco Build
Your not fooling around !

Subscribed !

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1977 Sport, 351w OBDII EFI motor, 4R70W auto, 4:88 gears, ARB lockers, 3.5" suspension, 33" tires.


Thu Aug 03, 2017 7:32 am
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Post Re: 75 Bronco Build
No huge updates this weekend we had a HS friend in from Phx so we did the tourist thing. I was able to pull the transmission/transfer case what a dirty/oily mess!!!. I decided to just go ahead and 4-link the rear and 3-Link the front ordered the kits from Ruffstuff, along with the 4R70W adaptor from Toms so that way I can mock up the rear end and then finalize the dimension on the Aero Gas tank to maximize fuel capacity.


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Tue Aug 08, 2017 11:45 am
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Post Re: 75 Bronco Build
Please keep me updated on Aero Tank! I am very interested in what you come up with!

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1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
http://www.ucora.org


Tue Aug 08, 2017 1:10 pm
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Post Re: 75 Bronco Build
please tell me your not running 6 lug chevy axles to match those wheels

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Tue Aug 08, 2017 3:29 pm
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Post Re: 75 Bronco Build
But 5 lugs are an uneven number LOL
I'm not running those rims they just came with the 35's. I will be using a HP44/9" out of a 1976F-150


Tue Aug 08, 2017 3:47 pm
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Post Re: 75 Bronco Build
I am impressed with the motivation and progress. Keep it up!!


Tue Aug 08, 2017 4:08 pm
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Post Re: 75 Bronco Build
Progress has been a little slow due to friends/family visiting from out of town, but here's where I'm at after this weekend. I finally got all the OEM suspension brackets removed and grinded smooth and installed the 1" body lift to then mocked up the 4R70W transmission. I then started to measure for the rear stretch and shooting for 5.5 - 6" and then 2" up front which will get me close to a 100"WB I then installed a temporary rear frame cross member so that I could remove the OEM since its now directly over the rear pumpkin. Brackets are just clamped on for now as I'm playing with different number on the calculator to see what my best option are, as of right now my only concern is the uppers and trying to achieve 40-45 degree's ??. Once I get the rear tacked on then comes the fun part of clearing the rear wheel wells for shock hoops.


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Mon Aug 28, 2017 12:05 pm
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Post Re: 75 Bronco Build
That looks like a lot of fun!! You are still making a lot of progress!

That tranny mount looks like it hangs quite low. You have any plans for that?

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1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
http://www.ucora.org


Mon Aug 28, 2017 1:08 pm
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Post Re: 75 Bronco Build
Wow making good progress


Mon Aug 28, 2017 3:36 pm
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Post Re: 75 Bronco Build
How many of these have you rebuilt before?! I am amazed at the organization, progress, and documentation so far. I just started taking bolts off, cutting metal, and buying parts when I started mine!! Very impressive, keep it up.


Mon Aug 28, 2017 8:02 pm
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Post Re: 75 Bronco Build
Thanks Everyone!
For now the transmission cross-member is temporary, once I get the t-case mounted/driveshaft I'll see how it looks and then either make a custom mount or keep old one although I think the transmission pan is my lowest spot will need to be addressed.

For now the rear will take me about a month to relocate the wheel tubes and get everything tacked and cycled before I can start on the front, then comes the fun part of installing a cage and tying it all together before removing the tub and fully welding the new suspension and painting the frame and underside.

This is my 2nd off road build, I learned a lot with the first one although it was 90% done with just reading magazines as I wasn't "hip" to forums and all the knowledge members bring, so I'm really excited about this build and getting feedback/advice from member here .


Tue Aug 29, 2017 7:20 am
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Post Re: 75 Bronco Build
Were did September go?
Not a lot of visible progress with the build most of the time I was spent measuring and inputting number's into the 4-link calculator. I've ended up with what I believe are some decent "middle ground" number that should give me some flexibility up/down then fabricated a upper truss to mount the link bracket and tacked everything in place. Sounds simple enough but I bet I've had the axle in and out 20 time to measure, weld and check angles. Hoping to have the frame mounts tacked in this weekend to cycle the axle before moving to the front.


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Thu Oct 05, 2017 10:15 am
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Post Re: 75 Bronco Build
Beefy!

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Thu Oct 05, 2017 11:06 am
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Post Re: 75 Bronco Build
I can't wait to see this 4-link!

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1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
http://www.ucora.org


Thu Oct 05, 2017 2:38 pm
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Post Re: 75 Bronco Build
Thanks Kinder/Jesus_man
Its just a little added security plus the "unsprung" weight shouldn't hurt anything. I finally tacked all the frame mounts last night and cycled the suspension, with 8" of up travel the top truss clears the frame by 1/2" on both side. By using the middle setting it gives me a starting point of 79% AS with -2 Roll understeer now to start on the front links this weekend.


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Fri Oct 06, 2017 12:18 pm
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