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Our good friend David Vizard is back with another episode of Tech Lab Tuesday. In this episode, David moves on to part 9 of the St. Jude's Charity Mission Impossible 318 Mopar Build. Here he shows how to do just a metal removal job to increase the intake ports power potential by about 25%.
One of the most significant features of aluminum die-cast engine blocks is that they don't require steel or cast iron liners in the cylinder bores. Particles of pure silicon, averaging about .001" in diameter are dispersed throughout the engine block. As silicon is very hard, there will be very little wear in the cylinder bores. In fact, as far as pistons and rings are concerned, the cylinder wall IS silicon; the aluminum's function is simply to hold the silicon particles.
If cylinder bores in these blocks become excessively worn or scored, they can be honed to accept oversize pistons. Unfortunately, the sizing and finishing processes you would normally use leave cylinder wall of silicon and aluminum. The silicon particles no longer protrude from the aluminum.
To achieve the proper surface for compatibility with the rings and pistons you will need to prepare the cylinder bores so the silicon particles protrude. This allows the pistons and rings to only contact silicon. A special conditioning operation is required to remove the aluminum from between the silicon particles.
Performance Engine Rebuilders Association 2023 Convention
When: September 20-22, 2023
Where: Houston, TX
When: October 6, 2023
Where: Rottler Mfg., Kent WA
When: October 25 - 29, 2023
Where: Nashville, TN
When: October 31 - November 3, 2023
Where: Las Vegas, NV
When: December 7 - 9, 2023
Where: Indianapolis, IN
Goodson will be attending the PERA Convention, AERA Tech & Skills Conference and the Performance Racing Industry Show. Come see us there!
Another great video from our friends at Jim's Auto Machine Shop in Colorado.
This one is a treat for the diesel guys! Our customer came to us in need of help for their 550HP 7.3L Powerstroke... but we've already seen these heads once before.
We have a special treat today – a short video from Goodson customer, Jim's Automotive Machine Shop in Gill, Colorado. Jim and son, Nicolaus have a thriving business and online profile and they've graciously allowed us to share this video with you.
This video takes you through the steps to remove, replace and prep pin bushings for your next project. Need more information, contact our Techxperts at 1-800-533-8010.
NOTE: this link will take you to JAMSIOnline's YouTube channel.
Learn how to accurately measure crankshaft stroke length up to 6" using the Goodson Crankshaft Stroke Checker.
As always, if you have any questions or need help, contact the Goodson Techxperts™ at 1-800-533-8010 or drop them an email.
Expanding Pilots are a great alternative when the exact pilot you need isn't available. But they have to be set up correctly. We get a lot of questions about how to set-up the Expanding Pilots in the product line. For this week's Tech Lab Tuesday, we put together a short video outlining the steps.
Remember, do NOT use expanding pilots with multi-angle valve seat cutting systems such as the Goodson 3-D Fast Cut™.
