M96 – Hoffman Automotive Machine (706)769-3783

The Hot Head Pressure Testing Myth

A brief debunking of a common misconception about water cooled cylinder head cracks.

This problem of intake valve seats dropping has struck quite a few owners over the past few years. We first became aware of it with

I originally published this article in 2012. Though I’ve made major advancements in certain areas with all three of these heads, the basic info here