by Donnie Hurt | Mar 1, 2024 | CAMSHAFTS & VALVE TRAIN
PREVENTABLE LIFTER CLATTER The lifter oil feed hole on common GM LS lifters is offered in more than one orientation. Both are functionally correct and interchangeable. The difference is in the location of the oil feed hole. Both should be installed such that some oil...
by Donnie Hurt | Mar 1, 2024 | CYLINDER HEADS
VALVE SEAL REMOVAL For removing the top hat valves stem seals on heads with bucket holes hard to reach, I use stripped sockets the right size, with an extension. Knock it to grip and use a battery-operated ratchet to spin the seals out. It takes only a second per...
by Donnie Hurt | Mar 1, 2024 | DISASSEMBLY & CLEANING
BLASTED TOOLS I always keep a pair of needle nose pliers and a small straight screwdriver in my blast cabinet to hold small parts when blasting. It saves the problem of frequently replacing a glove with a hole in it and having to chase parts around the cabinet. Lee...
by Donnie Hurt | Feb 1, 2024 | CYLINDER HEADS
MODIFIED MIC To quickly and easily measure the lash caps on late 2.0L & 2.5L Subarus with chain drive timing, I disassembled a 0 – 1 micrometer and turned down the measuring side of the spindle so that it will fit inside the lash caps. Having this measure...
by Donnie Hurt | Feb 1, 2024 | BLOCK WORK
LIFTER BUSHING When it comes to installing lifter bushings, heres a couple tips; Always deburr the top and bottom of the host bore, as well as any oil holes that intersect. This will prevent the dragging of material as the bushing is pressed in. A bearing scraper...
