Articles
Head Gasket Retention
Better life through machine work……
Here we go again….. Another day, another customer with chronic head gasket problems on a big bore that was built by yet another “pro” :confused: What was the answer? Studs, copper head gaskets, O-rings, and copper spray?
So let’s dive into engine building 101;
Everything on an engine needs to work as one harmonious system. The cam should be balanced with the intake and exhaust for best power, easy enough. Sealing combustion promotes maximum efficiency, while minimizing combustion by-products in the crankcase that cause engine component deterioration. This is all basic stuff. [Read more »]
Compression Truth: Lipstick On a Pig?
As everyone here knows… I design engine parts. I have finished up my new line of pistons, and during this process, some truth has been shed on the compression ratio numbers game.
I use the only manufacturer that I could find that uses 3-D chamber and dome scanning. This scanning, along with “proper” math has brought me to the following conclusion: there is no such thing as a true 14:1 piston in a stock bore 700! I will explain how I got to that bold statement, and let the games begin!!
Torque Plate Boring and Honing For Round Bores
Check these pictures out.
Piston
Rings
This is a 14:1 piston that ran most of last season in a circle track motor. It was a stock bore/stroke motor pumping out 70 or so horses. The head was torqued to 35 ft-lbs with stock bolts.
[Read more »]
