by Donnie Hurt | Nov 1, 2023 | CYLINDER HEADS
SINGLE EXHAUST VACUUM CHECKING If you are like me, you test all the valve to seats seal with a vacuum test. It’s not possible when you have a single exhaust system. What I use is plumbers’ putty on the valves of the chambers not being tested to assure a good seal. It...
by Donnie Hurt | Nov 1, 2023 | TOOLING
OIL BOTTLE We modify small plastic bottles, purchased on-line, for cutting oil, tapping fluid, assembly lube, etc. We’ve tried bottles with dispenser tips, however those with metal “needle tips” can scratch parts, while the plastic tips are usually...
by Donnie Hurt | Nov 1, 2023 | CRANKSHAFTS & CONNECTING RODS
NARROWING BEARINGS When I need to narrow a set of rod bearings, I have bucks that I’ve turned to the size of the crank pin. Then, I wrap a single layer of masking tape around them to protect the bearing. I hold the bearing to the spud with a couple hose clamps,...
by Donnie Hurt | Nov 1, 2023 | CRANKSHAFTS & CONNECTING RODS
MODIFY AS NEEDED Many times, the flange diameter of the rod nuts will contact the radius around the nut seat on some rods. Some jobs may not warrant the expense of spot facing the nut seat on the connecting rods. In that case, it can be quicker and effective to just...
by Donnie Hurt | Oct 2, 2023 | TOOLING
MINI PROTRACTOR Sometimes a machinist’s protractor is too cumbersome in cramped spaces to compare angled surfaces on a part. A feeler gauge set works very well as a protractor in tight spots. Modify the gauge by adding a screw and nut to lock it in position. Tom...
