I need to know just how much run time a 454 tall block filled with grout, is allowed on a lake jet for recreation. I will be putting 11.5-1 blower pistons,dart heads, enderle bird catcher with 10-71 mooneyham blower on alcohol!! Only want a mild tune up just to play with, kind of like info has on his cougar. I filled the block to the bottom of the water inlet holes with moroso block filler. I'm not sure if the water temp gauge would give a real true reading in relation to the cylinder temp in the cylinders with the grout. Will it work if you just make a blast and then just poke around till your next blast? Thanks gary