For what it's worth. I have two Stroker Big Blocks that both use 440 Blocks. So far, we have had no issues with them. One is a 505" with SR Heads, the other 499" with EZ heads.
The 505 has been 10.07 @ 133.5 in a 3900 lbs car. The 499 has been 9.92 @ 135 in a 3400 lbs car.
