Worked 1600 out of a friends gt cortina, he spent about 4500 rebuilding it,big crow cam sounds like a 13b lol, LUMPY!!! polished,ballenced, electronic ignition, head work blah blah blah!!! pretty much just run in,did About 600km and has now decided to build a sr20 engine so I made him sell me this, plus saves me the hassle of rebuilding my kent.