I ended up getting the flares to come out nice. The trick was, as recommended , to heat the tubing up, and then quickly flare it. I just finished the rear axle and all of the flares ended up looking nice. Thanks for the help.

1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip, (JA5) Silver Frost Metallic 1973 Challenger Rallye 340 1985 W150 Power Ram prospector 1986 Camaro IROC-Z 305 tpi