As some of you know, I purchased a 1990 Mustang LX a while back. It was NOT as advertised by any means. The first thing I wanted to do after driving it around some was check out the engine. We pulled the pro products upper intake manifold off and there was a TON of aluminum shavings inside of it. Then we pulled the lower off and noticed it had solid (flat tappet) lifters. That told me all I needed to know about that engine so I started searching. Ended up buying a TFS 170 headed engine off a guy in Lynchburg, VA. He said it had been freshened up, which seems accurate as all cylinders tested around 145ish. I also ended up buying parts (and a junk car) off a few other people to make sure I had everything needed. We swapped in the new(ish) engine, put another rear end in it with a 4.56 gear, and took it to the track. Continue reading “Mustang build” →