by Donnie Hurt | Dec 23, 2024 | CRANKSHAFTS & CONNECTING RODS
When checking and correcting rod straightness, I use two bars against each other in the rod vice. Since the vice isn’t mounted to the cabinet strong enough for most correction work, this allows you to use it. I feel the two bars gives me a better feel for how much I’m...
by Donnie Hurt | Oct 11, 2024 | CAMSHAFTS & VALVE TRAIN
When making custom length pushrods, I finish the end in my valve grinder like I would a valve stem tip, after cutting to the desired length. It leaves a better finish and a true face. After that I break inside and outside edges, then install my desired ends. Neil...
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:...
by Donnie Hurt | Aug 9, 2024 | CAMSHAFTS & VALVE TRAIN
When checking valve train geometry, you need adjustable pushrods which are never the right length and you need to use a light spring. I bought 1 of every 3/8 .080 wall pushrod 7.00” to 12.00”, in .050” length increments. It makes checking geometry quick and easy. Bob...
