Maybe some of my cap and girdle customers will chime in. I know of several over 900 hp motors that have two seasons on them and quite a few dozen in the 800 hp range and hundreds using my caps alone in the 600-700 range. That being said it all depends on what you start with as far as a block . Get it magged and sonic tested and a fill will only help.
There is no magic # and if one can afford an aftermarket block in the 700hp plus range he should, but if he can't we have the options.


Greg www.bcrproducts.com