by Donnie Hurt | Sep 1, 2020 | CYLINDER HEADS
MAGNETIC SEAL When installing valve stem seals on OHC cylinder heads, I use a small pencil magnet on the top side of many valve seals to locate them over the valve stem. There is enough magnetic material on the seal from the tension band that the magnet holds the seal...
by Donnie Hurt | Sep 1, 2020 | BLOCK WORK
TEST FIT CAMS I have a good dozen cams to test fit the Cam Bearings after installing when I don’t have the customers Cam. I polished the journals and taped up the lobes to keep from marking up the bearings. This makes for a better looking, finished job. I also...
by Donnie Hurt | Aug 1, 2020 | CRANKSHAFTS & CONNECTING RODS
TONING UP AN LS On LS Crankshaft’s we are balancing, I always use a tone ring alignment tool to check that the alignment is correct. Then we place two equally spaced welds to ensure the ring stays aligned. High RPM LS engines have been known to spin the tone ring....
by Donnie Hurt | Aug 1, 2020 | CYLINDER HEADS
OHC LIFTER PULLER When I disassemble an Ecotec head I always have trouble getting the lifters out. There is not enough room for my small fingers to grab on and sometimes they are stuck with varnish. I use ¼” fuel hose, about a 6” length, to slip over the tip of the...
by Donnie Hurt | Aug 1, 2020 | CRANKSHAFTS & CONNECTING RODS
MAKING IT SIMPLE When I build my bobweights a simple piece of PVC for a stand makes it easier. Just zero out the scale and add the weight. Randy Torvinen Torvinen’s Machine Menahga, MN August, 2020