Tech article by BwoncoHowie

The purpose of this article is to explain and cover some basic info about do it yourself C-4 Valve body service. The actual valve body is from a 1974 Bronco, therefore the illustrations may differ slightly from what you may be working on.  If you are inexperienced as a mechanic, perhaps you should get help when performing the steps shown below. It is recommended that you read the entire article first so you may prepare all the tools and materials as well as a clean work environment. After reading through the article first, you can then make notes on where your valve body may need attention. Some steps that are performed later may be mentioned early in the article in order to save time and computer space. VB is referring to Valve Body.

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Tech article by Chris (taipeichris) taipeichris13@yahoo.com

Since I’ve owned my 1966 Bronco it never got past 3rd gear for years and I drive the freeways in Los Angeles all the time.

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Tech article by Scott Hagler (glass76)

To make things much easier first go the website of the Lonestar Early Bronco Club. Go to TECH, INFORMATION, KOENIG WINCH INFO. Print off a copy of the PTO EXPLODED VIEW. I will refer to and give you a cross reference of some of the numbers on this exploded view of the pto.

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Tech article by gi_phil

This write-up summarizes how I put on-board air into my 1971 Bronco. I have a 3.5” suspension lift, a 2” body lift, and enjoy wheeling. Having on-board air is not only a nice benefit to airing up and down tires but could also come in handy for a variety of other uses (i.e. any air tools, nail guns etc.) Deciding on the proper system for your application is always the hardest part. I searched the internet and found all kinds of articles on how to do it – except for the installation on an early Bronco.

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Tech article by Viperwolf1

While gathering parts for my 5.0 EFI install I happened across a two speed electric fan from a 2004 Jeep Liberty, part number 55037669AE. This Liberty did not have the towing package. With the towing package the Liberty will have a different electric and a mechanical fan. The shape looked simple enough to make fitment easy and the depth was only about 4 ½” which was as short as I have seen any others. Read the rest of this article »

Tech article by Viperwolf1

Many modern vehicles with trailer towing capability have dealer or aftermarket support for trailer harnesses that simply plug in to the vehicle’s factory wiring harness. Early Broncos do not. However the factory Bronco harness has the advantage of simplicity of design. After examining the taillight harness it became clear that a plug-in trailer harness would be a piece of cake to build.

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Product Review and Install into a Dana 44 – www.aussielocker.com

Product Review by Jon Hanna (Admin) Read the rest of this article »

Tech article by Jon Hanna (Admin)

This is the second article in a two part series on popular transmission swaps into your early Bronco. The first article focused on several manual choices for those who like to row their own gears. This second article is for you folks who prefer the ease and drivability of an automatic.The 3 speed manual or C4 automatic that came stock in the Bronco serve their purpose, but they’re not the best to be had. Some people want a stronger, more reliable transmission with ultra low gearing for those tough trails. For others, street performance is more important and a highway friendly overdrive becomes essential for those long commutes. And then there are some (all?) of us that want both!

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Tech article by Jon Hanna (Admin)

Automatic Trans Intro • Gear Ratio Chart • C4 • C6 • AOD • AODE & 4R70W • 700R4 See also Manual Trans

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Tech article by Jon Hanna (Admin)

Automatic Trans Intro • Gear Ratio Chart • C4 • C6 • AOD • AODE & 4R70W • 700R4 See also Manual Trans

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