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Lapping the flywheel to the crank is an important part of flywheel installation. However the time it takes to lap one in is much shorter than most realize. We have a video attached to most flywheels on our web site and on our facebook page for visual illustration, but you only need around 20-30 seconds of work with a fine to medium grit compound to match the tapers together. Any longer (or using a coarse compound) could result in changi …

Measuring StrokeStroke is measured from the center line of the crank bearing journal to the center line of the rod journal multiplied by 2.Measuring Deck HeightDeck height is measured from the center line of the crankshaft bore to the deck of the block.Measuring Compression Height        Compression height is measured from the center line of the wrist pin bore to the top of the piston.Calculating Cubic Inch Displacement (cid) …

Been getting quite a few calls and messages about the PVL ignition system on where it actually fires at for checking timing. As you see in the pictures below the PVL ignition coil has four legs which I have numbered, and a PVL ignition flywheel has two magnets side-by-side. Coil actually fires when the trailing edge of the second magnet is in line with the right hand edge of the second coil leg as the engine rotates. This is the mark you wou …

Here is an update on the new Predator 224 Hemi engine…Bore X Stroke    2.93" (74.5MM) X 2.03" (51.5MM)We finally got an engine and have gone through what we need to in order to make a decision on building billet parts for it. First off there is already one of our Billet flywheels that fit this engine, part numbers 6626 and 6696 for the Hemi Predator engine. Outside of that we do not see a need for making a billet rod …