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We’ve discussed this at one time, but I think it’s time to do a revisit on the subject of ignition timing with the different OHV models of Billet flywheels we manufacture. Not all of them are at the 32 degrees of timing like many think. The timing may differ from the style of flywheel to the type of ignition you are using. Here are photos that can be used for a reference when selecting a flywheel for your OHV engine. All small block flywheels cov …

More ammo for the ARC Racing flywheel arsenal, the 6669 billet flywheel...  The New "660" Drag series billet flywheel for the Honda GX200, Clone 196, Ducar 196/212, Tillotson 196/212/225/236, Predator Ghost 212 and Predator 224cc Non Hemi engines from ARC Racing. Features a finless drag racing design that will greatly reduce air drag on your Junior Dragster or Drag Mini Bike racing engine. Less air drag on the flywheel means more power free …

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) …