This time of year we get a lot of questions about tuning up carburetors.  Most engine building and fellow racers will ask about tuning indicators to help change the tune-up.  EGT (exhaust gas temperature) and CHT (cylinder head tempera…

JR Race Car is currently the manufacturer for the Hercules Chassis, Shockwave Clutches. As an engine builder, JR Race Car has made the ZR, and ZR-4 and Titan Engines (with roller lifter technology). We have the setup for every jr drag racer whe…

In 1992, JR Race Car began manufacturing parts for the newly accepted NHRA Junior Drag Racing. JR Race Car initially offered components such as turn key Jr dragster chassis, engines, clutches and chassis components (manufactured in house from t…