by Donnie Hurt | Apr 1, 2017 | OTHER SHOP WORK
MANIFOLD MOUNT Exhaust manifolds can be resurfaced using a surface grinder with the typical universal cylinder head fixture. First start by tapping threads in the thru holes. I have 1/2”, 9/16”, 5/8” & 3/4” All-thread pieces cut to 8” or so, that I screw into the...
by Donnie Hurt | Apr 1, 2017 | BLOCK WORK
THE OLD OIL PUMP TRICK When align honing Small or Big Block Chevrolets I always install an old oil pump on the #5 main cap. The added stress can change the main bore up to .001” to allow for distortion of the bore when the engine is fully assembled. Joe Foellmer...
by Donnie Hurt | Apr 1, 2017 | LUBRICATION & COOLING
CK-4 Diesel Update Recently diesel engine oils changed from the decade old CJ-4 formulation to the new CK-4 formulation. While intended to be an upgrade, the new CK-4 formulation has been met with resistance and even an outright “do not use” warning from Ford Motor...
by Donnie Hurt | Apr 1, 2017 | CYLINDER HEADS
DON’T BUST THAT GUIDE If you’ve been having problems breaking off the end of a valve guide, on the spring end of the guide, when installing thin wall guides, I may have a solution. I machine from the spring cup side of the head instead of the valve seat side. You will...
by Donnie Hurt | Mar 3, 2017 | BLOCK WORK
CAM BEARING BORING TOOL Camshafts will often times not fit into newly installed cam bearings. Since most factory cam bearings are bored in place, cam bore alignment is not an issue from the factory, but becomes an issue with finish machined bearings. I use an old...
