1981 Ford Bronco
Owner: AbandonedBronco         (All of this user's registries on SuperMotors)
From: Boise, ID, U.S.A.        (Other registries in ID)
Year, Make, & Model: 1981 Ford Bronco        (Other Ford Broncos)
Avatar:
Nickname: Spartan
Mileage:
Engine: 300 Inline 6

4 barrel 1848 Holley 465cfm carb with a dual port Offenhauser performance intake.
Dual fuel injection 4.9 exhaust manifolds out through a single 2.5'' exhaust with a high flow cat and muffler.
Drivetrain: 4spd NP-435
9'' rear and a 3.00 final drive.
32'' BFG A/T KO2
Notes: The Bronco was abandoned at my girlfriend (now wife's) father's ranch since it didn't pass California emissions (and wouldn't start) with the promise of ''I'll pick it up next week.'' Four years later, it hadn't moved.

He gave it to me if I could get it running, so I did some work and drove it 700 miles home to Idaho. My first Ford, my first truck, and my first 4 wheel drive.

Since then, I've put 45,000 miles on it, rebuild the entire suspension, brakes, transmission, drive train, and have turned the slouch old tired 300 into a powerful and fun torque monster.


No idea how many miles are on it. Pulled the original engine and it had been rebuilt once already and had since then worn out past 60 over. 400,000? 600,000?
Last Updated: 5/1/2018
Hits: 49079
Album
Folder Hits Comments Created Updated
folder Four barrel conversion370061,25803/23/0910/29/10
    folder O2 Sensor Install2021,551011/17/092/15/14
    folder Extra pics16006,83906/10/101/18/13
    folder Underside Intake Heat18004,43304/7/134/7/13
    folder Holley 80555670013,54509/13/1311/11/14
    folder Holley 184838003,65701/23/1510/5/15
    folder QuickFuel BD-45040003,03408/11/164/25/18
folder Exhaust Upgrade210025,82103/26/092/11/11
folder Random Pictures27006,40503/27/0911/30/15
    folder Videos0022,60406/29/097/13/10
    folder Camping Trip 200929009,83109/14/099/18/09
    folder Off-road Outing 22006,93406/3/106/18/10
    folder Camping Trip 2010320011,38907/19/108/9/10
    folder Crossflow Head400723012/20/1412/20/14
    folder Camping 201750017208/7/178/7/17
    folder Backpacking 201730081012/1/1712/1/17
folder New Tires23007,17401/22/1011/30/15
folder Technical40008,24104/7/104/10/18
    folder Wing Window17005,48901/24/111/24/11
    folder Intakes6003,48208/23/112/20/12
    folder Floor Repair31008,790011/5/1111/8/11
folder Cam Install1060046,908011/6/107/24/12
folder Headwork460018,10402/2/1110/25/12
folder Engine Swap410011,51205/2/1110/4/12
folder Saginaw Swap75009,25404/16/125/13/16
folder Engine Rebuild19004,71606/25/1210/3/12
    folder Second attempt372005,17002/1/165/1/18
        folder Roller Rocker Arms200050008/17/179/21/17
folder NP435 Swap960021,111010/4/1212/21/12
folder Ignition90079502/11/158/9/16
folder Engine Pics80077403/2/153/2/15
folder Warn Hub Diagnostics21001,60903/2/153/17/15
folder New seats19001,59505/14/155/14/15
folder Weatherstripping38002,645010/26/1511/2/15
folder New Door Pins1200762011/12/1511/12/15
folder Bronco Pics650019,432011/30/1511/30/15
    folder 1984 Bronco530016,83908/2/1011/30/15
        folder For Sale Pics32002,588010/6/1510/6/15
    folder Collision Damage90019609/16/1710/2/17
    folder 1985 Bronco40075010/11/1710/11/17
folder Headlight upgrade16001,17101/18/162/14/16
Newest Media Files
2018-04-23 13.14.15.jpeg
19 hits | 50.44 KB | Posted: 5/1/18

2018-04-21 16.56.20.jpeg
15 hits | 45.28 KB | Posted: 4/25/18

2018-04-10 18.39.23.jpg
15 hits | 46.69 KB | Posted: 4/10/18

80 - 82 tailgate
2018-04-10 18.39.04.jpg
14 hits | 44.65 KB | Posted: 4/10/18

80 - 82 tailgate
2018-04-10 18.34.43.jpg
14 hits | 47.58 KB | Posted: 4/10/18

1983-on tailgate
2018-04-10 18.34.32.jpg
12 hits | 43.56 KB | Posted: 4/10/18

1983-on tailgate
engine_pic.jpg
30 hits | 56.78 KB | Posted: 4/2/18

2018-02-08 09.08.29.jpg
25 hits | 47.05 KB | Posted: 2/8/18

1805041935744958177.jpg
43 hits | 29.76 KB | Posted: 12/4/17

Most Viewed Files
Engine Bay.JPG
4720 hits | 82.67 KB | Posted: 3/23/09


Here's a shot of the mostly stock engine bay. The only thing in this picture that isn't completely stock is the EFI 300 exhaust manifolds. It's time to dig in.


New Intake.JPG
2593 hits | 73.7 KB | Posted: 3/23/09


Here's the new intake in place.


Offenhauser Intake.JPG
2563 hits | 78.54 KB | Posted: 3/23/09

The new aluminum Offenhauser dual port intake.


0829081417-00.jpg
2529 hits | 44.85 KB | Posted: 3/26/09


These pre-shaped pieces showed up in the mail. The fact that the tailpipe was made specifically for the Bronco and the Y-pipe for the EFI manifolds on a straight six really saved me time and money.


Intake Removed.JPG
2397 hits | 77.76 KB | Posted: 3/23/09


The intake removed giving a clear shot of the dual exhaust manifolds of the EFI 300. MUCH better than the restrictive six-to-one stock 1bbl exhaust manifold. I thought about painting those when I put them in but I didn't want the rest of the engin...
With Heat Spacer.JPG
2250 hits | 74.69 KB | Posted: 3/23/09


The intake with the heated spacer. This particular spacer is designed to run coolant underneath the carb to prevent it from icing, especially in the winter.


Hooking the lines up.JPG
2070 hits | 78.68 KB | Posted: 3/23/09


Everything's in place, the lines are hooked up, and it's ready to go!


Accelerator Bracket.JPG
2039 hits | 68.06 KB | Posted: 3/23/09


The custom made accelerator bracket. Cost about $6 for the steel.


The Final Touch.JPG
2025 hits | 82.99 KB | Posted: 3/23/09


Putting on the last, and final touch after we tuned it. It is time for a test drive.


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