will my 72 351 block break?

[Juicedgt]

I'm building a 410 stroker right now.
It is 12.3.1 compression it's going to have a solid roller cam
I have Total Engine Airflow Ported Victor Jr's for it
My Goal is 8.90-9.00 Et's on N2O
I also have a FPS Steel girdle for it
Will My block take it or will I break it?

[steve buckley]

it will survive for awhile maybe one deto or one fuel puddle split block

[John Rude]

I am running about the same set up and haven't had a bit of trouble out of it . I have been beating on it for the last 5 years. I keep the R's down to 7000 and the Nos a max of 150 with 100 being the limit most of the time.If you put any more juice on it than that I promise you it will split a cylinder wall. I have saw it happen many a time. I know what you are worried about. I have already Ordered a SVO block from Keith Craft that will be here shortly that i am gonna put all my stuff in this winter

[FAH-Q Racing]

I have been using my stock block for 5 years now....it is a 408 stroker, 175-275hp N2o, 7800 RPM, the block alone has a total of over 300 passes, most of them have been in the 5.79-6.20 range through the eigth.