Finally, got my 5.9 Dart to the track. It went well, then it went to hell.

Those are pretty cool. I'm pretty biased against Jesel because of experiences I had with their junk on Twisted Wedge Ford heads.

The Harlands don't look to be adjustable?

Given all this information, the Hughes stuff seems about unbeatable, if you don't happen to already have too much lift anyway.....

Steve