I don't race any B/BLK stuff, but we're useing the lanotti promod rods on (3) 434" alcohol injected no problems. I had eagles in my blown s/blk when it was a 358, but changing to alum. on the 383" motor.
If you notice you will not find anyone running steel rods in the pro ranks, i know prostocks are running tit. but all others run alum.
just my .02
Zip.