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TUESDAY, APRIL 2, 2013 Low Tension Piston Rings for Box StockThe newest hot setup for Box Stock Class engines is to install low tension piston rings. There are a few tricks you should know when using these rings, but if you feel comfortable replacing piston rings, it is easy.For reasons I'll explain below, I recommend buying the DJ-1290LT ring set and the DJ-1290TR +.005" top ring for a fresh standard bore or a DJ-1291TR +.010" top ring for a b …

FRIDAY, MARCH 25, 2011 The New 6934 ARC Air Filter Adapter for GX200, GX160, and Clone engines.Here is the new air filter adapter I have been giving y'all sneak peeks of on ARC's facebook. It is for the clone and GX200 type engines.This thing is has been in development for a long time and has gone through so many different prototypes that I've lost count.*Meets the rule specs for AKRA/WKA Box Stock and BP*Out-flows anything else available on th …

FRIDAY, OCTOBER 24, 2008 Installing a BSP Restrictor PlateTake everything off to this point.Put on a gasket.Put on the restrictor plate.Put on a second gasket.Install the carbInstall the air filter adapter.WRONG! The air filter adapter is installed upside-down.Notice the blocked air orifice. …

MONDAY, JUNE 9, 2008 Pulsing the Fuel Pump from the Rocker CoverI drilled a hole to insert a 1/8" pipe nipple into the rocker cover. The hole is below the baffle plate in the rocker cover so it is pulsing directly from the rocker chamber. The red vent tube is above the baffle plate. I have raced this a couple times now and it works very well. …