I started looking at the different engine options and realized going with the Cummins 6BT would require a lot of modification and I really did not want to spend that much time. (http://www.youtube.com/comment_servlet?all_comments=1&v=9-QNu8qRsUY) I agree the Cummins produces a lot more then my choice. I wanted an engine with very little modification to the Bronco, but give me the power of a Big Block and even more torque. Because I live in california and SMOG laws SUCK. I needed to have an option. I picked the 6.9 Liter International Diesel. This change requires very little modification and will give me 18 to 20 MPG compared to a 460 with about 8 MPG. I am adding a turbo from ATS as well. A lot of people have said the 7.3 is such a better choice, however from looking at all my research I disagree at the time. Now a few years have passed and we found the head studs suck. I am going to have to bite the bullet and buy the ARP +626 studs to replace the ARP standard studs. Throw away money and spend 2k for new ones Please read the following links and make up your own mind. This is what I am going to build
http://www.forgottendiesels.com/6.9_ford.html
http://www.enginebuildermag.com/Article/1233/rebuilding_the_international_6973l_powerstroke_engine.aspx
http://www.enginebuildermag.com/Article/1233/rebuilding_the_international_6973l_powerstroke_engine.aspx
I found a complete engine with everything I needed at Pick a Part junkyard. I couldn’t believe it everything in one place. All I had to do is pull it out clean it up and create a new mounting bracket for the engine to frame and I am WINNING!! We pulled out the engine and the problems started. 1 didn’t realize how heavy this engine is, 820lbs of engine, 120lbs more than a big block. We got to Pick a Part late in the afternoon, so by the time we pulled they where closing. We had to leave it. I had to wait until the next day to pick it up. Look for a F250 1985 or 86 and it will be a direct fit less the engine mount change.
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