by Donnie Hurt | Oct 8, 2024 | CYLINDER HEADS
When you’re grinding Titanium valves, if you want a super shiny finish, grind them with the green wheel and “Mirror finish”. Wipe them off before pulling them from the chuck and give them 30 seconds of spinning with a microfiber towel and some...
by Donnie Hurt | Oct 8, 2024 | BLOCK WORK
I was never a fan of tapping a 1/2″ hole for a 1/2″ pipe plug which measures about .530 diameter. I’ve been using 9/16-18 set screws for the SB Chevy street and race builds for years. A 9/16” starting tap will work without drilling, and I finish up...
by Donnie Hurt | Oct 8, 2024 | TOOLING
When working with different manufacturers of blocks, lifting bolt sizes can vary significantly. Our solution was to elongate the bolt holes of our lifting chain on the links towards the end, so that larger diameter bolts can slip through. We then have the thread size...
by Donnie Hurt | Oct 8, 2024 | OPERATIONS
With identity theft and fraud at an all-time high I try to be super mindful of what I throw out. Even handing a customer an old box with some of their parts in it. You never know what could be had or come of your name and address and etc. on a box. Pretty much all...
by Donnie Hurt | Oct 8, 2024 | OTHER SHOP WORK
When you need to make a thread repair, and someone has “borrowed” your tap drill size chart, here is a little trick. Subtracting the pitch from the nominal thread O.D. will get you very close to the tap drill size for a 75% thread. Here are some examples:...
